appendix d groundwater pump tests - national … library/research/coal/major...doe/eis-0361 wgc...

36
DOE/EIS-0361 WGC DEMONSTRATION PROJECT EIS November 2007 APPENDIX Appendix D Groundwater Pump Tests Appendix D1 - Evaluation of Groundwater Pumping in Rainelle, West Virginia (dated: December 23, 2005) Appendix D2 – Model Development to Evaluate Groundwater Pumping in Rainelle, West Virginia (dated: March 2007)* Appendix D3 – Well Logs** *Since publication of the Draft EIS, an additional pump test report (dated March 2007) has become available and has been added as Appendix D2 for the Final EIS. **New appendix added for Final EIS.

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DOE/EIS-0361 WGC DEMONSTRATION PROJECT EIS

November 2007 APPENDIX

Appendix D

Groundwater Pump Tests

Appendix D1 - Evaluation of Groundwater Pumping in Rainelle, West Virginia (dated: December 23, 2005)

Appendix D2 – Model Development to Evaluate Groundwater Pumping in Rainelle, West Virginia (dated: March 2007)*

Appendix D3 – Well Logs**

*Since publication of the Draft EIS, an additional pump test report (dated March 2007) has become

available and has been added as Appendix D2 for the Final EIS.

**New appendix added for Final EIS.

DOE/EIS-0361 WGC DEMONSTRATION PROJECT EIS

November 2007 APPENDIX

INTENTIONALLY LEFT BLANK

Eva

luat

ion

of

Gro

un

dw

ater

P

um

pin

g in

Rai

nel

le, W

est

Vir

gin

ia

S.S

. PA

PA

DO

PU

LO

S &

AS

SO

CIA

TE

S, I

NC

.E

nvi

ron

men

tal

& W

ater

-Res

ou

rce

Co

nsu

ltan

ts

Dec

emb

er 2

3, 2

005

7944

Wis

con

sin

Ave

nu

e,B

eth

esd

a, M

aryl

and

208

14-3

620

(3

01)

718-

8900

Eva

luat

ion

of

Gro

un

dw

ater

P

um

pin

g in

Rai

nel

le, W

est

Vir

gin

ia

Pre

par

ed F

or:

Po

tom

ac-H

ud

son

En

gin

eeri

ng

, In

c.

Pre

par

ed B

y: S.S

. PA

PA

DO

PU

LO

S &

AS

SO

CIA

TE

S, I

NC

.E

nvi

ron

men

tal

& W

ater

-Res

ou

rce

Co

nsu

ltan

ts

Dec

emb

er 2

3, 2

005

7944

Wis

con

sin

Ave

nu

e,B

eth

esd

a, M

aryl

and

208

14-3

620

(3

01)

718-

8900

Appendix D1

Appendix D1

Tab

le o

f Con

tent

s Pa

geL

ist o

f Fi

gure

s....

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

.....

ii

Sect

ion

1

Int

rodu

ctio

n....

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

1

Sect

ion

2

Gro

undw

ater

Flo

w A

naly

sis.

......

......

......

......

......

......

......

......

......

......

......

......

......

......

.2

Geo

grap

hic

Info

rmat

ion

Syst

em (

GIS

) A

pplic

atio

n...

......

......

......

......

......

......

......

.....

2C

once

ptua

l Mod

el...

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

...2

Aqu

ifer

Tes

t Dat

a A

naly

sis.

......

......

......

......

......

......

......

......

......

......

......

......

......

......

...3

Bas

eflo

w A

naly

sis

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

.....

3M

odel

Des

crip

tion

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

.....

4M

odel

Cal

ibra

tion

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

5M

odel

Pre

dict

ions

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

6

Sect

ion

3

Sum

mar

y an

d C

oncl

usio

ns...

......

......

......

......

......

......

......

......

......

......

......

......

......

......

.7

Sect

ion

4

Ref

eren

ces.

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

.....

9

P:\1

009

- R

aine

lle\R

epor

ts\R

aine

lle_R

epor

t.doc

12/2

3/20

05i

Lis

t of F

igur

es

Figu

re 1

Loc

atio

n M

ap

Figu

re 2

Obs

erve

d ve

rsus

Sim

ulat

ed D

raw

dow

n –

Mod

el C

alib

rate

d to

Aqu

ifer

Tes

t Res

ults

at W

ell P

W-1

Figu

re 3

Obs

erve

d ve

rsus

Sim

ulat

ed D

raw

dow

n –

Mod

el C

alib

rate

d to

Aqu

ifer

Tes

t Res

ults

at W

ell P

W-3

Figu

re 4

Sim

ulat

ed D

raw

dow

n af

ter

25 Y

ears

– M

odel

Cal

ibra

ted

to A

quif

er T

est R

esul

ts

at W

ell P

W-1

Figu

re 5

Sim

ulat

ed D

raw

dow

n af

ter

25 Y

ears

– M

odel

Cal

ibra

ted

to A

quif

er T

est R

esul

ts

at W

ell P

W-3

Figu

re 6

Sim

ulat

ed D

raw

dow

n af

ter

25 Y

ears

– P

umpi

ng f

rom

PW

-1 a

nd P

W-3

, Mod

el

Cal

ibra

ted

to A

quif

er T

est R

esul

ts a

t Wel

l PW

-1

Figu

re 7

Sim

ulat

ed D

raw

dow

n af

ter

25 Y

ears

– P

umpi

ng f

rom

PW

-1 a

nd P

W-3

, Mod

el

Cal

ibra

ted

to A

quif

er T

est R

esul

ts a

t Wel

l PW

-3

P:\1

009

- R

aine

lle\R

epor

ts\R

aine

lle_R

epor

t.doc

12/2

3/20

05ii

Appendix D1

Appendix D1

RE

PO

RT

Sect

ion

1In

trod

uctio

nS.

S. P

apad

opul

os &

Ass

ocia

tes,

Inc

. was

ret

aine

d by

Pot

omac

-Hud

son

Eng

inee

ring

, Inc

. (P

HE

) to

dev

elop

a g

roun

dwat

er f

low

mod

el t

o si

mul

ate

grou

ndw

ater

con

ditio

ns i

n R

aine

lle,

Wes

t Vir

gini

a. T

he g

roun

dwat

er m

odel

was

use

d to

eva

luat

e th

e av

aila

bilit

y of

gro

undw

ater

as

aw

ater

sou

rce

for

the

prop

osed

pow

er f

acili

ty a

nd t

o ev

alua

te p

oten

tial

impa

cts

to l

ocal

pum

ping

wel

ls f

rom

gro

undw

ater

with

draw

als.

Gro

undw

ater

flo

w w

as s

imul

ated

usi

ng M

OD

FLO

W-2

000

(Har

baug

h et

al.,

200

0),

the

mos

t w

idel

y us

ed p

rogr

am i

n si

mul

atin

g gr

ound

wat

er f

low

. Fo

r th

e pu

rpos

es o

f th

is a

naly

sis,

a

GIS

app

licat

ion

was

dev

elop

ed to

ass

ist i

n da

ta m

anag

emen

t and

to g

ener

ate

nece

ssar

y in

put f

iles

for

the

mod

el.

P:\1

009

- R

aine

lle\R

epor

ts\R

aine

lle_R

epor

t.doc

12/2

3/05

1

Appendix D1

Appendix D1

Sect

ion

2G

roun

dwat

er F

low

Ana

lysi

s

Geo

grap

hic

Info

rmat

ion

Syst

em (G

IS) A

pplic

atio

n T

he G

IS c

oord

inat

e sy

stem

was

reg

iste

red

to t

he N

AD

198

3 W

est

Vir

gini

a So

uth

Zon

e St

ate

Plan

e w

ith u

nits

in f

eet.

The

fol

low

ing

vect

or a

nd r

aste

r da

ta w

ere

incl

uded

:

A d

igiti

zed

base

map

of

road

s an

d hy

drol

ogic

fea

ture

s.

Geo

refe

renc

ed g

eolo

gic

map

s of

Fay

ette

(W

hite

, 19

19)

and

Gre

enbr

ier

(Pri

ce,

1937

) C

ount

ies.

A T

opog

raph

ic m

ap o

f th

e ar

ea.

A D

igita

l Ele

vatio

n M

odel

(D

EM

) w

ith 1

0-fo

ot r

esol

utio

n.

Map

ped

loca

tions

of

the

pum

ping

and

obs

erva

tion

wel

ls.

Map

ped

loca

tion

of th

e N

atio

nal O

cean

ic a

nd A

tmos

pher

ic A

dmin

istr

atio

n (N

OA

A)

Eas

t R

aine

lle s

tatio

n.

Map

ped

loca

tion

of t

he U

.S.

Geo

logi

cal

Surv

ey (

USG

S) s

trea

mfl

ow s

tatio

n on

Mea

dow

R

iver

.

Con

cept

ual M

odel

T

he g

roun

dwat

er s

yste

m i

n th

e st

udy

area

was

conc

eptu

aliz

ed a

s co

nsis

ting

of t

hree

m

ajor

uni

ts:

a s

atur

ated

sur

fici

al a

lluvi

al o

verb

urde

n, 5

-15

feet

thi

ck;

a la

yer

of i

nter

bedd

ed r

ed

to g

reen

sha

les,

san

dy s

hale

s an

d sa

ndst

one,

25-

50 f

eet

thic

k (i

nter

med

iate

lay

er);

and

an

unde

rlyi

ng

frac

ture

d sa

ndst

one

laye

r,

at

leas

t 10

0 fe

et

thic

k.

The

pr

oduc

tion

and

deep

ob

serv

atio

n w

ells

are

ope

n to

bot

h th

e in

term

edia

tean

d sa

ndst

one

laye

rs.

The

geo

logi

c un

its in

the

vici

nity

of

Rai

nelle

dip

to th

e no

rthw

est;

the

dip

is c

alcu

late

d to

be

app

roxi

mat

ely

120

feet

per

mile

bas

ed o

n th

e st

ruct

ure

cont

our

map

of

the

base

of

the

Sew

ell

Coa

l pr

epar

ed b

y Pr

ice

(193

7).

As

a re

sult,

the

san

dsto

ne u

nit

in w

hich

the

pro

duct

ion

and

obse

rvat

ion

wel

ls a

re c

ompl

eted

, whi

ch is

at a

nom

inal

dep

th o

f 50

fee

t bel

ow g

roun

d su

rfac

e at

R

aine

lle,

dire

ctly

und

erlie

s th

e al

luvi

um i

n th

e va

lleys

of

Sew

ell

Cre

ek a

nd L

ittle

Sew

ell

Cre

ek

to t

he s

outh

and

eas

t of

Rai

nelle

. For

the

pur

pose

s of

thi

s an

alys

is, t

he e

leva

tion

cont

ours

of

the

base

of

the

Sew

ell

Coa

l w

ere

digi

tized

and

use

d to

cal

cula

te t

he a

vera

gedi

p of

the

for

mat

ions

.G

iven

kno

wn

elev

atio

ns o

f th

e sa

ndst

one

form

atio

n at

the

obs

erva

tion

wel

ls,

the

dip

of t

hesa

ndst

one

unit

was

det

erm

ined

and

then

thre

e-di

men

sion

ally

sup

erim

pose

d on

the

grou

nd s

urfa

ce

DE

M, d

elin

eatin

g th

e ar

eas

of s

ands

tone

out

crop

.

The

int

erm

edia

te l

ayer

act

s as

an

aqui

tard

, al

low

ing

limite

d ve

rtic

al l

eaka

ge.

The

re i

s lim

ited

hydr

aulic

con

nect

ion

betw

een

the

surf

icia

l aq

uife

r an

d th

e sa

ndst

one

aqui

fer.

Alth

ough

th

ere

is l

imite

d da

ta r

egar

ding

hyd

roge

olog

ic c

ondi

tions

in

the

area

, gr

ound

wat

er m

ovem

ent

appe

ars

to o

ccur

pri

mar

ily th

roug

h ho

rizo

ntal

fra

ctur

es in

the

sand

ston

e fo

rmat

ion.

Acc

ordi

ng to

a

stud

y by

W

yric

k an

d B

orch

ers

(198

1),

grou

ndw

ater

m

ovem

ent

in

the

valle

ys

of

the

P:\1

009

- R

aine

lle\R

epor

ts\R

aine

lle_R

epor

t.doc

12/2

3/05

2

App

alac

hian

Pla

teau

s Ph

ysio

grap

hic

Prov

ince

of

Wes

t V

irgi

nia

is t

he r

esul

t of

str

ess

relie

f fr

actu

ring

. Str

ess

relie

f, th

e re

mov

al o

f co

mpr

essi

onal

str

esse

s on

und

erly

ing

rock

s by

ero

sion

of

over

lyin

g ro

cks,

re

sults

in

pr

edic

tabl

e fr

actu

re

patte

rns

in

valle

y;

frac

ture

s ar

e ge

nera

lly

hori

zont

al u

nder

val

ley

floo

rs a

nd a

re g

ener

ally

ver

tical

alo

ng v

alle

y w

alls

. T

he h

oriz

onta

l fr

actu

res

bene

ath

the

valle

y fl

oor

typi

cally

dev

elop

alo

ng b

eddi

ng p

lane

par

tings

. H

oriz

onta

l fr

actu

ring

is

limite

d be

yond

the

val

ley

wal

ls,

and

thus

the

val

ley

wal

ls e

ssen

tially

act

as

low

perm

eabi

lity

barr

iers

. R

echa

rge

to t

he a

quif

ers

prim

arily

occ

urs

via

the

vert

ical

fra

ctur

es a

long

the

valle

y w

alls

. I

n th

e st

udy

area

, th

e va

lleys

alo

ng S

ewel

l C

reek

, L

ittle

Sew

ell

Cre

ek,

and

Mea

dow

Riv

er, d

efin

e th

e ar

eal e

xten

t of

the

aqui

fer

syst

ems

as d

escr

ibed

abo

ve.

Aqu

ifer

Tes

t Dat

a A

naly

sis

The

dat

a fr

om t

he a

quif

er t

ests

per

form

edby

PH

E a

t PW

-1,

PW-3

, an

d PW

-4 w

ere

revi

ewed

and

ana

lyze

d us

ing

the

com

mer

cial

ly a

vaila

ble

soft

war

e A

QT

ESO

LV

(D

uffi

eld,

200

2).

For

purp

oses

of

anal

yzin

g th

e aq

uife

r te

st, t

he g

roun

dwat

er s

yste

m w

as c

once

ptua

lized

as

a le

aky

aqui

fer

syst

em. T

he a

naly

tical

sol

utio

n de

velo

ped

by H

antu

sh (

1960

) fo

r a

leak

y co

nfin

ed a

quif

er

with

sto

rage

in th

e aq

uita

rd w

as u

sed

to a

naly

ze th

e dr

awdo

wn

data

fro

m th

e te

sts.

Ana

lysi

s of

the

dat

a fr

om t

he d

eep

obse

rvat

ion

wel

ls f

or t

he 7

2-ho

ur p

ump

test

at

wel

l PW

-1 i

ndic

ated

tha

t th

e ef

fect

ive

tran

smis

sivi

ty a

nd s

tora

tivity

in

the

vici

nity

of

PW-1

are

ap

prox

imat

ely

700

ft2 /d

and

4x1

0-6 r

espe

ctiv

ely.

T

he e

ffec

tive

tran

smis

sivi

ty a

nd s

tora

tivity

in

the

vici

nity

of

PW-3

ran

ge b

etw

een

470

and

1070

ft2 /d

, an

d 1x

10-5

and

1x1

0-7,

resp

ectiv

ely.

It

shou

ld b

e no

ted

that

dur

ing

the

aqui

fer

test

s at

wel

ls P

W-1

and

PW

-3,

at a

ll ob

serv

atio

n w

ells

, hi

gh d

raw

dow

n w

as m

easu

red

very

soo

n af

ter

com

men

cem

ent o

f th

e te

st, w

hich

is in

dica

tive

of a

hi

ghly

fra

ctur

ed a

quif

er.

Ana

lysi

s of

the

ava

ilabl

e dr

awdo

wn

data

in

the

vici

nity

of

wel

l PW

-4, i

ndic

ated

tha

t th

e ef

fect

ive

tran

smis

sivi

ty a

nd s

tora

tivity

are

app

roxi

mat

ely

400

ft2 /d

and

2x1

0-6, r

espe

ctiv

ely.

The

aq

uife

r tr

ansm

issi

vity

is m

uch

low

er a

t PW

-4 th

an a

t PW

-1 a

nd P

W-3

.

The

pur

pose

of

the

aqui

fer

test

ana

lyse

s w

as t

o pr

ovid

e an

ind

icat

ive

rang

e of

val

ues

for

tran

smis

sivi

ty a

nd s

tora

tivity

, to

be

used

as

initi

al e

stim

ates

of

aqui

fer

para

met

ers

in t

he

calib

ratio

n of

the

grou

ndw

ater

flo

w m

odel

.

Bas

eflo

w A

naly

sis

Bas

eflo

w,

the

grou

ndw

ater

con

trib

utio

n to

tot

al s

trea

mfl

ow,

for

the

stre

ams

in t

he s

tudy

ar

ea w

as c

alcu

late

d us

ing

auto

mat

ed h

ydro

grap

h se

para

tion

tech

niqu

es.

The

Mea

dow

Riv

erst

atio

n at

McR

oss,

Wes

t V

irgi

nia,

loc

ated

app

roxi

mat

ely

two

mile

s no

rthe

ast

of w

ell

PW-1

, was

th

e cl

oses

t st

atio

n to

the

stu

dy a

rea.

Dis

char

ge d

ata

wer

e do

wnl

oade

d fr

om t

he U

SGS

Nat

iona

l W

ater

Inf

orm

atio

n Sy

stem

. T

he a

vaila

ble

data

spa

nned

the

per

iod

from

197

9 to

198

2. T

hedr

aina

ge a

rea

of th

at s

tatio

n w

as 1

63 s

quar

e m

iles.

Bas

eflo

w d

isch

arge

was

cal

cula

ted

usin

g B

FI(W

ahl,

2001

), a

sof

twar

e pa

ckag

e fo

r au

tom

ated

hydr

ogra

ph s

epar

atio

n. T

he a

vera

ge c

alcu

late

d ba

sefl

ow f

or th

e pe

riod

that

dat

a w

ere

avai

labl

e w

as 9

.5 in

ches

per

yea

r.

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3

Appendix D1

Appendix D1

A r

ough

est

imat

e of

the

app

ropr

iate

are

al e

xten

t of

the

mod

el w

as d

eter

min

ed b

ased

on

the

base

flow

cal

cula

tion.

Ass

umin

g al

l ne

cess

ary

grou

ndw

ater

with

draw

als

for

the

pow

er p

lant

co

uld

be d

eriv

ed f

rom

bas

eflo

w, t

he m

inim

um a

real

aqu

ifer

ext

ent t

o gu

aran

tee

such

with

draw

als

wou

ld b

e eq

ual t

o th

e pu

mpi

ng r

ate

of 7

60 g

allo

ns p

er m

inut

e di

vide

d by

the

base

flow

rat

e of

9.5

in

ches

per

yea

r, o

r ap

prox

imat

ely

2.3

squa

re m

iles.

Giv

en t

he h

ydro

geol

ogic

and

top

ogra

phic

co

nditi

ons

in t

he s

tudy

are

a, a

nd t

o ac

coun

t fo

r bo

unda

ry e

ffec

ts, a

mod

el a

rea

of a

ppro

xim

atel

y50

squ

are

mile

s w

as c

onsi

dere

d fo

r th

e m

odel

.

Mod

el D

escr

iptio

n T

he g

roun

dwat

er m

odel

enc

ompa

sses

an

area

of

appr

oxim

atel

y 50

squ

are

mile

s, d

efin

ed

by a

gri

d of

352

row

s an

d 15

2 co

lum

ns o

f va

riab

le s

paci

ng.

The

ver

tical

mod

el d

iscr

etiz

atio

n in

clud

es t

hree

lay

ers,

for

the

rep

rese

ntat

ion

of t

he a

lluvi

al o

verb

urde

n, t

he i

nter

veni

ng a

quita

rd

laye

r, a

nd t

he s

ands

tone

lay

er.

The

mod

el o

rien

tatio

n is

35

degr

ees

east

of

nort

h; w

hich

mea

nsth

at th

e m

odel

col

umns

are

ori

ente

d no

rthe

ast –

sou

thw

est (

Figu

re 1

).

Gri

d sp

acin

g al

ong

mod

el r

ows

vari

es b

etw

een

60.6

25 f

eet

and

485

feet

. G

rid

spac

ing

alon

g co

lum

ns v

arie

s be

twee

n 88

.75

feet

and

355

fee

t. T

he t

op l

ayer

has

var

iabl

e th

ickn

ess

to

dist

ingu

ish

betw

een

the

allu

vium

, w

here

the

thi

ckne

ss i

s eq

ual

to 1

5 fe

et,

and

the

sand

ston

e fo

rmat

ion

ever

ywhe

re e

lse,

whe

re t

he t

hick

ness

is

equa

l to

10

feet

. T

he m

iddl

e la

yer,

whi

ch

repr

esen

ts t

he i

nter

bedd

ed l

ayer

s of

san

dsto

ne a

nd s

hale

s, h

as a

thi

ckne

ss o

f 50

fee

t, ex

cept

un

dern

eath

the

allu

vium

, w

here

the

thi

ckne

ss i

s eq

ual

to 3

5 fe

et.

Fina

lly,

the

botto

m l

ayer

, re

pres

entin

g th

e sa

ndst

one

form

atio

n, h

as a

uni

form

thic

knes

s of

100

fee

t. T

he m

iddl

e la

yer

was

assu

med

to b

e no

t pre

sent

in a

reas

whe

re th

e sa

ndst

one

laye

r di

rect

ly u

nder

lies

the

allu

vium

; thi

s w

as s

imul

ated

by

spec

ifyi

ng a

ver

y la

rge

vert

ical

hyd

raul

ic c

ondu

ctiv

ity f

or t

he m

iddl

e la

yer

in

thes

e ar

eas.

The

mod

el b

ound

ary

cond

ition

s in

clud

ed n

o-fl

ow b

ound

arie

s al

ong

the

mod

el p

erim

eter

,an

d ri

ver

node

s in

the

top

laye

r al

ong

the

maj

or s

trea

ms.

All

rive

r no

des

wer

e as

sign

ed a

con

stan

t hy

drau

lic h

ead.

Dif

fere

nt h

ydra

ulic

con

duct

ivity

val

ues

wer

e sp

ecif

ied

in t

he u

plan

d an

d va

lley

area

s in

al

l la

yers

. H

owev

er,

the

sand

ston

e un

it un

derl

ying

the

allu

vium

alo

ng M

eado

w R

iver

in

the

vici

nity

of

wel

l PW

-4 w

as a

ssig

ned

upla

nd c

ondu

ctiv

ities

, to

ref

lect

the

con

clus

ions

fro

m t

he

aqui

fer

test

at

that

wel

l. T

his

sugg

ests

tha

t st

ress

rel

ief

frac

turi

ng i

s no

t pr

eval

ent

in a

reas

whe

re

the

valle

ys a

re v

ery

narr

ow.

Hyd

raul

ic

prop

ertie

s of

th

e m

odel

, in

clud

ing

hori

zont

al

and

vert

ical

hy

drau

lic

cond

uctiv

ity a

nd s

tora

ge c

oeff

icie

nt,

wer

e de

term

ined

thr

ough

the

cal

ibra

tion

proc

ess.

Spe

cifi

c yi

eld

for

the

top

laye

r w

as s

et e

qual

to 0

.1.

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4

The

pum

ping

wel

ls P

W-1

, PW

-3,

PW-4

, C

W-1

,an

d C

W-2

wer

e re

pres

ente

d by

cel

ls i

n th

e bo

ttom

lay

er w

ith a

ssig

ned

pum

ping

rat

es b

ased

on

know

n an

d/or

ass

umed

pum

ping

sche

dule

s.

Mod

el C

alib

ratio

nM

odel

cal

ibra

tion

was

fac

ilita

ted

thro

ugh

the

use

of P

EST

(D

oher

ty,

2005

), a

non

linea

r pa

ram

eter

est

imat

ion

and

mod

el c

alib

ratio

n so

ftw

are.

Mod

el c

alib

ratio

n pa

ram

eter

s in

clud

ed:

Hor

izon

tal a

nd v

ertic

al h

ydra

ulic

con

duct

ivity

. Sp

ecif

ic s

tora

ge.

The

flo

w m

odel

cal

ibra

tion

targ

ets

incl

uded

mea

sure

d dr

awdo

wn

at t

he d

eep

obse

rvat

ion

wel

ls d

urin

g th

e aq

uife

r te

sts

at w

ells

PW

-1 a

nd P

W-3

. Fo

r si

mpl

icity

, th

e m

odel

s w

ere

calib

rate

d to

the

aqu

ifer

tes

ts r

esul

ts i

ndep

ende

ntly

. M

odel

cal

ibra

tion

to t

he a

quif

er t

est

data

fr

om w

ell

PW-4

was

per

form

ed t

o es

timat

e hy

drau

lic p

aram

eter

s of

the

san

dsto

ne f

orm

atio

n in

the

vici

nity

of

PW-4

.

Hor

izon

tal a

nd v

ertic

al h

ydra

ulic

con

duct

iviti

es a

nd s

tora

ge c

oeff

icie

nts

wer

e de

term

ined

thro

ugh

the

itera

tive

calib

ratio

n pr

oced

ure.

The

cal

ibra

ted

hydr

aulic

pro

pert

ies

of t

he s

ands

tone

aq

uife

r fo

r th

e tw

o m

odel

s ar

e su

mm

ariz

ed in

the

follo

win

g ta

ble

for

mod

els

calib

rate

d to

aqu

ifer

te

sts

at P

W-1

and

PW

-3:

Cal

ibra

tion

Res

ults

Val

ley

Upl

ands

PW-1

PW-3

PW-1

PW-3

Hor

izon

tal C

ondu

ctiv

ity (f

t/d)

100.

610

0.6

4.7

4.7

Ver

tical

Con

duct

ivity

(ft/d

)8.

6x10

-56.

1x10

-62.

0x10

-34.

1x10

-3

Spec

ific

Stor

age

(per

foot

) 1.

2x10

-62.

3x10

-61.

0x10

-81.

0x10

-8

The

val

ues

of a

quif

er p

aram

eter

s ca

lcul

ated

fro

m t

he c

alib

ratio

n pr

oces

s w

ere

sim

ilar

for

both

the

calib

ratio

n to

the

aqui

fer

test

dat

a fr

om P

W-1

and

the

calib

ratio

n to

the

aqui

fer

test

dat

afr

om P

W-3

, with

the

exc

eptio

n of

ver

tical

hyd

raul

ic c

ondu

ctiv

ities

in

the

valle

y, w

hich

dif

fere

d by

alm

ost

an o

rder

of

mag

nitu

de. P

lots

of

calc

ulat

ed d

raw

dow

ns a

nd o

bser

ved

draw

dow

ns f

rom

the

aqui

fer

test

of

PW-1

are

sho

wn

in F

igur

e 2,

for

cal

ibra

tion

to t

he a

quif

er t

est

resu

lts a

t w

ell

PW-1

. A

plo

t of

the

cal

cula

ted

and

the

obse

rved

dra

wdo

wns

fro

m t

he a

quif

er t

est

of P

W-3

are

sh

own

on F

igur

e 3.

Aft

er c

alib

ratio

n to

aqu

ifer

tes

t da

ta f

rom

PW

-4,

the

calc

ulat

ed h

oriz

onta

l hy

drau

lic

cond

uctiv

ity o

f th

e sa

ndst

one

form

atio

n un

derl

ying

the

allu

vium

alo

ng M

eado

w R

iver

in

the

vici

nity

of

PW-4

was

3.0

ft/d

.

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5

Appendix D1

Appendix D1

Mod

el P

redi

ctio

ns

The

cal

ibra

ted

mod

el w

as r

un f

or 2

5 ye

ars,

with

a s

peci

fied

pro

duct

ion

rate

for

PW

-1 o

f 76

0 gp

m, t

o si

mul

ate

long

-ter

m d

raw

dow

n in

the

grou

ndw

ater

sys

tem

. The

mod

el w

as r

un u

sing

pa

ram

eter

s ob

tain

ed f

rom

cal

ibra

tion

to

aqui

fer

test

res

ults

at

PW-1

and

PW

-3 s

epar

atel

y, t

o co

mpa

re a

quif

er r

espo

nse

for

high

and

low

ver

tical

con

duct

ivity

con

ditio

ns i

n th

e va

lley.

In

addi

tion,

com

bine

d pu

mpi

ng f

rom

wel

ls P

W-1

and

PW

-3,

each

at

a ra

te o

f 38

0 ga

llons

per

min

ute,

was

sim

ulat

ed u

nder

bot

h hi

gh a

nd lo

w v

alle

y co

nduc

tivity

con

ditio

ns.

The

res

ults

of

the

mod

el r

uns

usin

g th

e pa

ram

eter

s ob

tain

ed f

rom

cal

ibra

tion

to a

quif

er

test

res

ults

at

wel

l PW

-1 a

re s

how

n in

Fig

ure

4. T

he r

esul

ts o

f th

e m

odel

run

s us

ing

the

aqui

fer

para

met

ers

obta

ined

fro

m c

alib

ratio

n to

aqu

ifer

tes

t re

sults

at

wel

l PW

-3 a

re s

how

n in

Fig

ure

5.

Sim

ulat

ed p

umpi

ng f

rom

PW

-1 a

nd P

W-3

at

equa

l ra

tes

for

high

and

low

ver

tical

con

duct

iviti

es

resu

lted

in d

raw

dow

ns s

how

n in

Fig

ures

6 a

nd 7

, res

pect

ivel

y.

The

cal

cula

ted

draw

dow

ns a

fter

25

year

s of

pum

ping

at

wel

ls C

W-1

and

CW

-2,

with

hy

drau

lic p

aram

eter

s fr

om c

alib

ratio

n to

wel

l PW

-1 a

quif

er t

est,

are

appr

oxim

atel

y 43

and

40

feet

res

pect

ivel

y. T

he c

alcu

late

d dr

awdo

wn

at p

rodu

ctio

n w

ell

PW-1

is

appr

oxim

atel

y 56

fee

t.Fo

r hy

drau

lic p

aram

eter

s fr

om c

alib

ratio

n to

wel

l PW

-3 a

quif

er te

st, t

he s

imul

ated

dra

wdo

wns

at

CW

-1 a

nd C

W-2

are

app

roxi

mat

ely

35 a

nd 3

2 fe

et r

espe

ctiv

ely.

The

cal

cula

ted

draw

dow

n at

pr

oduc

tion

wel

l PW

-1 i

s ap

prox

imat

ely

47 f

eet.

The

dra

wdo

wn

at P

W-1

was

ass

umed

to

be

equa

l to

the

ave

rage

dra

wdo

wn

in t

he m

odel

gri

d ce

ll in

whi

ch t

he w

ell

is l

ocat

ed.

The

fo

unda

tion

for

this

ass

umpt

ion

is t

he d

raw

dow

n da

ta f

rom

the

aqu

ifer

tes

ts w

hich

ind

icat

ed t

hat

draw

dow

n is

rel

ativ

ely

cons

tant

for

a l

arge

rad

ial

dist

ance

aro

und

the

prod

uctio

n w

ell,

likel

y as

th

e re

sult

of v

ery

high

tran

smis

sivi

ty in

som

e fr

actu

res.

Whe

n th

e m

odel

was

run

for

com

bine

d pu

mpi

ng f

rom

wel

ls P

W-1

and

PW

-3 w

ith

hydr

aulic

par

amet

ers

from

cal

ibra

tion

to P

W-1

aqui

fer

test

, th

e si

mul

ated

dra

wdo

wns

at

wel

ls

CW

-1 a

nd C

W-2

are

app

roxi

mat

ely

42 a

nd 4

1 fe

et,

resp

ectiv

ely.

The

cal

cula

ted

draw

dow

ns a

t pu

mpi

ng w

ells

PW

-1 a

nd P

W-3

are

45 a

nd 4

4 fe

et, r

espe

ctiv

ely.

For

hyd

raul

ic p

aram

eter

s fr

om

calib

ratio

n to

wel

l PW

-3 a

quif

er t

est,

the

sim

ulat

ed d

raw

dow

ns a

t bo

th C

W-1

and

CW

-2 a

re

appr

oxim

atel

y 33

fee

t. T

he c

alcu

late

d dr

awdo

wns

at b

oth

pum

ping

wel

ls P

W-1

and

PW

-3 a

re 3

6fe

et.

In o

rder

to

addr

ess

conc

erns

reg

ardi

ng s

hort

-ter

m d

roug

ht p

erio

ds,

avai

labl

e da

ta f

rom

obse

rvat

ion

wel

ls i

n G

reen

brie

r, F

ayet

te, a

nd N

icho

las

Cou

ntie

s, w

hich

enc

ompa

ss t

he d

rain

age

basi

n of

Rai

nelle

, wer

e do

wnl

oade

d fr

om th

e U

SGS

NW

ISW

eb D

atab

ase.

Wat

er le

vel d

ata

wer

e co

nsid

ered

onl

y fo

r w

ells

with

ava

ilabl

e da

ta s

pann

ing

mor

e th

an o

ne y

ear

and

with

suf

fici

ent

num

ber

of m

easu

rem

ents

eac

h, r

egar

dles

s of

the

for

mat

ion

in w

hich

the

y w

ere

com

plet

ed.

The

max

imum

wat

er le

vel f

luct

uatio

n fo

r al

l wel

ls d

id n

ot e

xcee

d 12

fee

t, w

hich

cou

ld b

e co

nsid

ered

as

add

ition

al d

raw

dow

n to

ref

lect

sho

rt-t

erm

dro

ught

con

ditio

ns.

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6

Sect

ion

3Su

mm

ary

and

Con

clus

ions

Fo

ur s

imul

atio

ns o

f lo

ng-t

erm

pum

ping

at

a ra

te o

f 76

0 gp

m w

ere

cond

ucte

d w

ith t

he

grou

ndw

ater

mod

el th

at w

as d

evel

oped

:

Mod

el u

sing

aqu

ifer

par

amet

ers

estim

ated

fro

m P

W-1

aqu

ifer

tes

t da

ta –

PW

-1 p

umpi

ng

at a

con

stan

t rat

e of

760

gpm

;M

odel

usi

ng a

quif

er p

aram

eter

s es

timat

ed f

rom

PW

-3 a

quif

er t

est

data

– P

W-1

pum

ping

at

a c

onst

ant r

ate

of 7

60 g

pm;

Mod

el u

sing

aqu

ifer

par

amet

ers

estim

ated

fro

m P

W-1

aqu

ifer

tes

t da

ta –

PW

-1 p

umpi

ng

at a

con

stan

t rat

e of

380

gpm

and

PW

-3pu

mpi

ng a

t a c

onst

ant r

ate

of 3

80 g

pm;

Mod

el u

sing

aqu

ifer

par

amet

ers

estim

ated

fro

m P

W-3

aqu

ifer

tes

t da

ta –

PW

-1 p

umpi

ng

at a

con

stan

t rat

e of

380

gpm

and

PW

-3pu

mpi

ng a

t a c

onst

ant r

ate

of 3

80 g

pm.

The

res

ults

of

thes

e si

mul

atio

ns in

dica

te th

at lo

ng-t

erm

pum

ping

at a

rat

e of

760

gpm

will

pr

oduc

e si

gnif

ican

t dr

awdo

wns

with

in t

he s

ands

tone

aqu

ifer

. Our

ana

lysi

s, t

houg

h, s

how

s th

at i

t is

fea

sibl

e to

pro

duce

760

gpm

dur

ing

a 25

yea

r pe

riod

. The

se a

naly

ses,

thou

gh, a

re b

ased

on

the

resu

lts o

f re

lativ

ely

shor

t te

rm a

quif

er t

ests

and

a c

once

ptua

l ge

olog

ic m

odel

tha

t is

bas

ed o

n lim

ited

fiel

d da

ta. I

t is

poss

ible

that

act

ual d

raw

dow

n w

ill b

e la

rger

than

sim

ulat

ed in

this

stu

dy if

actu

al f

ield

con

ditio

ns d

iffe

r fr

om th

e si

mul

ated

con

ditio

ns.

A m

ajor

unc

erta

inty

in o

ur u

nder

stan

ding

of

the

grou

ndw

ater

sys

tem

is th

e ch

arac

teri

stic

s of

the

sand

ston

e aq

uife

r un

it be

neat

h th

e up

land

are

as. T

he d

raw

dow

n pa

ttern

ref

lect

s th

e ef

fect

s of

low

hyd

raul

ic c

ondu

ctiv

ity b

enea

th t

he u

plan

d ar

eas

and

enha

nced

lea

kage

fro

m t

he w

ater

ta

ble

alon

g th

e va

lley

wal

ls.

Ver

tical

hyd

raul

ic c

ondu

ctiv

ities

in

the

upla

nd a

reas

app

ear

to b

e m

ore

criti

cal

than

tho

se i

n th

e va

lley

with

res

pect

to

expe

cted

dra

wdo

wns

. D

ue t

o th

e lim

ited

avai

labl

e da

ta, i

t is

not p

ossi

ble

to d

raw

pos

itive

conc

lusi

ons

as to

whe

ther

the

mod

el w

ith h

ighe

rve

rtic

al c

ondu

ctiv

ities

or

the

mod

el w

ith l

ower

hyd

raul

ic c

ondu

ctiv

ities

bet

ter

desc

ribe

s th

e hy

drog

eolo

gic

cond

ition

s in

the

stu

dy a

rea.

Bot

h m

odel

s pr

edic

t re

lativ

ely

sim

ilar

draw

dow

ns a

t th

e m

unic

ipal

wel

ls. I

f th

e sa

ndst

one

unit

is r

elat

ivel

y im

perm

eabl

e be

neat

h th

e up

land

are

as, a

s th

e re

sult

of l

imite

d ho

rizo

ntal

fra

ctur

ing,

the

n th

e m

odel

may

be

an a

ccur

ate

repr

esen

tatio

n of

th

e gr

ound

wat

er s

yste

m, t

houg

h in

the

mod

el w

e as

sum

ed s

igni

fica

nt p

erm

eabi

lity

in t

he u

plan

dar

eas.

If

the

sand

ston

e un

it be

neat

h th

e up

land

are

as is

muc

h le

ss p

erm

eabl

e th

an a

ssum

ed in

our

anal

yses

, th

en t

he a

ctua

l dr

awdo

wns

fro

m l

ong-

term

pum

ping

will

be

grea

ter

than

tho

se s

how

n on

the

figu

res.

Som

e of

the

unc

erta

inty

inh

eren

t in

our

eva

luat

ions

cou

ld b

e re

duce

d by

con

duct

ing

long

er a

quif

er t

ests

at

PW-1

and

/or

PW-3

and

by

mon

itori

ng w

ater

lev

els

duri

ng t

he t

ests

in

wel

ls lo

cate

d in

the

upla

nd a

reas

and

wel

ls lo

cate

d in

the

valle

ys m

uch

furt

her

from

the

pum

ping

wel

ls t

han

was

don

e in

pre

viou

s te

stin

g.

Our

rec

omm

enda

tion

is t

hat

a te

st b

e co

nduc

ted

for

at

leas

t 30

day

s, t

he m

inim

um t

ime

requ

ired

to

sign

ific

antly

im

prov

e ou

r cu

rren

t un

ders

tand

ing

of

P:\1

009

- R

aine

lle\R

epor

ts\R

aine

lle_R

epor

t.doc

12/2

3/05

7

Appendix D1

Appendix D1

the

syst

em.

It

mus

t be

rec

ogni

zed

that

the

res

ults

of

addi

tiona

l te

stin

g m

ay w

ell

indi

cate

tha

t lo

ng-t

erm

pum

ping

at a

rat

e of

760

gpm

is n

ot s

usta

inab

le f

rom

the

sand

ston

e aq

uife

r.

P:\1

009

- R

aine

lle\R

epor

ts\R

aine

lle_R

epor

t.doc

12/2

3/05

8

Secti

on

4

Refe

ren

ces

Doh

erty

, J.

200

5. P

EST

Ver

sion

9 U

ser's

Gui

de.

Bri

sban

e, Q

ueen

slan

d, A

ustr

alia

: W

ater

mar

kN

umer

ical

Com

putin

g.

Duf

fiel

d, G

.M. 2

002.

AQ

TE

SO

LV

fo

r W

ind

ow

s V

ersi

on

3.5

0 P

rofe

ssio

na

l, H

ydro

SOL

VE

, Inc

.

Har

baug

h, A

.W.,

E.R

. Ban

ta, M

.C. H

ill, a

nd M

.G. M

cDon

ald.

200

0. M

OD

FL

OW

-20

00

, th

e U

.S.

Geo

log

ica

l S

urv

ey

Mo

du

lar

Gro

un

d-W

ate

r M

od

el--

Use

r G

uid

e to

M

od

ula

riza

tion

Co

nce

pts

a

nd

th

e G

rou

nd

-Wa

ter

Flo

w

Pro

cess

. U

.S.

Geo

logi

cal

Surv

ey.

Ope

n-Fi

le

Rep

ort 0

0-92

.

Koz

ar,

M.D

., an

d M

.V.

Mat

hes.

200

1. A

qu

ifer

Ch

ara

cter

isti

cs D

ata

fo

r W

est

Vir

gin

ia.

U.S

. G

eolo

gica

l Sur

vey,

Wat

er-R

esou

rces

Inv

estig

atio

ns R

epor

t 01-

4036

.

Wah

l, T

.L.,

and

K.L

. W

ahl.

2001

. B

FI

– A

Co

mp

ute

r P

rog

ram

fo

r C

om

pu

tin

g a

n I

nd

ex t

o

Ba

sefl

ow

, V

ersi

on

4.1

2w

. U.S

. Bur

eau

of R

ecla

mat

ion

– U

.S. G

eolo

gica

l Sur

vey.

Wyr

ick,

G.G

., an

d J.

W.

Boc

hers

. 19

81.

Hyd

rolo

gic

Eff

ects

of

Str

ess-

Rel

ief

Fra

ctu

rin

g i

n a

n

Ap

pa

lach

ian

Va

lley

. U.S

. Geo

logi

cal S

urve

y. W

ater

-Sup

ply

Pape

r 21

77.

Pric

kett,

T

.A.,

and

C.G

. L

onnq

uist

. 19

71.

Sel

ecte

d

Dig

ita

l C

om

pu

ter

Tec

hn

iqu

es

for

Gro

un

dw

ate

r R

eso

urc

e E

valu

ati

on

. Illi

nois

Sta

te W

ater

Sur

vey,

Urb

ana.

Bul

letin

55.

Pric

e, P

.H.

1937

. G

ener

al

an

d E

con

om

ic M

ap

of

Gre

enb

rier

Co

un

ty.

Wes

t V

irgi

nia

Geo

logi

cal

Surv

ey.

Whi

te,

I.C

. an

d R

.V.

Hen

nen.

191

9. G

ener

al

an

d E

con

om

ic M

ap

o

f F

aye

tte

Co

un

ty,

Wes

tV

irgi

nia

Geo

logi

cal S

urve

y.

P:\1

009

Rai

nelle

\Rep

orts

\Rai

nelle

_Rep

ort_

revi

sed.

doc

12/2

3/05

9

Appendix D1

Appendix D1

FIG

UR

ES

PW

-3

PW

-2P

W-1

CW

-2C

W-1

PW

-4HO

P-1

Leg

end

Wel

l

Allu

vium

San

dsto

ne O

utcr

op

Mod

el B

ound

ary

01

20.

5M

iles

³

RA

INE

LL

E, W

V

ME

AD

OW

RIV

ER

SEWELLCREEK

Mo

del

bo

un

dar

y

iur

e oc

atio

n M

ap

Appendix D1

Appendix D1

iur

e O

bser

ved

vers

us S

imul

ated

Dra

wdo

wn,

Mod

el

alib

rate

d to

Aqu

ifer

Tes

t Res

ults

at W

ell P

W-1

OW

-6D

051015202530

00.

51

1.5

22.

5

Tim

e S

ince

Sta

rt o

f T

es

t (d

ays

)

Drawdown (ft)

3

OW

-5D

051015202530

00.

51

1.5

22.

5

Tim

eS

ince

Sta

rt o

f T

es

t (d

ays

)

Drawdown (ft)

3

OW

-4D

25

305101520

00.

51

1.5

22.

5

Tim

e S

ince

Sta

rt o

f T

es

t (d

ays

)

Drawdown (ft)

OW

-3D

PW

-2

0530

00.

51

1.5

22.

53

Tim

e S

ince

Sta

rt o

f T

es

t (d

ays

)

Drawdown (ft)

25 20 1015 051015202530

00.

51

1.5

22.

53

Tim

eS

ince

Sta

rt o

f T

es

t (d

ays

)

Drawdown (ft)

OW

-2D

0510152025

00.

51

1.5

22.

53

Tim

e S

ince

Sta

rt o

f T

es

t (d

ays

)

Drawdown (ft)

OW

-1D

0510152025

00.

51

1.5

22.

53

Tim

e S

ince

Sta

rt o

f T

es

t (d

ays

)

Drawdown (ft)

PW

-1

05101520253035

00.

51

1.5

22.

53

Tim

eS

ince

Sta

rt o

f T

es

t (d

ays

)

Drawdown (ft)

051015

00.

51

1.5

22.

53

Tim

e S

ince

Sta

rt o

f T

es

t (d

ays

)

Drawdown (ft)

PW

-1

024681012

00.

51

1.5

22.

53

Tim

e S

ince

Sta

rt o

f T

es

t (d

ays

)

Drawdown (ft)

Ba

kery

We

ll

051015

00.

51

1.5

22.

53

Tim

e S

ince

Sta

rt o

f T

es

t (d

ays

)

Drawdown (ft)

PW

-3

10152025

wdown (ft)

05

00.

51

1.5

22.

53

Tim

e S

ince

Sta

rt o

f T

es

t (d

ays

)

Dra

Lu

mb

er

Ya

rdW

ell

20

iur

e 3

Obs

erve

d ve

rsus

Sim

ulat

ed D

raw

dow

n,M

odel

al

ibra

ted

to A

quif

er T

est R

esul

ts a

t Wel

l PW

-3

Appendix D1

Appendix D1

iur

e 4

Sim

ulat

ed D

raw

dow

n af

ter

25

ears

, M

odel

al

ibra

ted

to A

quif

er T

est R

esul

ts a

t Wel

l PW

-1

PW

-1

PW

-3

CW

-1CW

-2

PW

-4

55

5

5

10

1010

10

15

15

15

15

1515

1515

15

20

20

20

20

20

20

20

20

20

25

25

25

25

25

25

25

30

30

30

30

30

35

35

35

40

40

45

PW

2

OW

6DO

W5D

OW

-1D

OW

-2D

OW

-3D

OW

-4D

Lu

mb

er

Bak

ery

4000

feet

PW

-1

PW

-3

CW

CW

-1

-2

PW

-4

5

55

5

10

10

10

10

10

1010

010

10

1

1

0

15

15

15

15

15

15

15

20

20

2020

20

20

25

25

25

25

30

30

30

35

PW

2

OW

6DO

W5D

OW

-1D

OW

-2D

OW

-3D

OW

-4D

Lu

mb

er

Bak

ery

4000

feet

iur

e 5

Sim

ulat

ed D

raw

dow

n af

ter

25

ears

, M

odel

al

ibra

ted

to A

quif

er T

est R

esul

ts a

t Wel

l PW

-3

Appendix D1

Appendix D1

PW

-1

PW

-3

CW

-1CW

-2

PW

-4

55

55

10

1010

10

15

15

15

15

15

15

15

15

15

15

15

20

20

20

20

20

20

2020

20

25

25

2525

25

25

25

30

3030

30

30

30

3535

35

35

40

PW

2

OW

6DO

W5D

OW

-1D

OW

-2D

OW

-3D

OW

-4D

Lu

mb

er

Bak

ery

4000

feet

iur

e 6

Sim

ulat

ed D

raw

dow

n af

ter

25

ears

,

Pu

mpi

ng f

rom

PW

-1 a

nd P

W-3

,M

odel

al

ibra

ted

to A

quif

er T

est R

esul

ts a

t Wel

l PW

-1

iur

e 7

Sim

ulat

ed D

raw

dow

n af

ter

25

ears

,

Pu

mpi

ng f

rom

PW

-1 a

nd P

W-3

,M

odel

al

ibra

ted

to A

quif

er T

est R

esul

ts a

t Wel

l PW

-3

PW

-1

PW

-3

CW

-1CW

-2

PW

-4

5

55

5

10

10

10

10

10

10

10

10

10

10

1

15

15

15

15

15

15

15

5

20

20

20

20

20

25

25

25

25

30

30

30

PW

2

OW

6DO

W5D

OW

-1D

OW

-2D

OW

-3D

OW

-4D

Lu

mb

er

Bak

ery

4000

feet

Appendix D1

Appendix D1

Appendix D1

Appendix D1

Mo

del

Dev

elo

pm

ent

to E

valu

ate

Gro

un

dw

ater

Pu

mp

ing

in R

ain

elle

, W

est

Vir

gin

ia

S.S

. PA

PA

DO

PU

LO

S &

AS

SO

CIA

TE

S, I

NC

.E

nvi

ron

men

tal

& W

ater

-Res

ou

rce

Co

nsu

ltan

ts

7944

Wis

con

sin

Ave

nu

e,B

eth

esd

a, M

aryl

and

208

14-3

620

(3

01)

718-

8900

Jun

e 5,

200

7

Mo

del

Dev

elo

pm

ent

to E

valu

ate

Gro

un

dw

ater

Pu

mp

ing

in R

ain

elle

, W

est

Vir

gin

ia

Pre

par

ed F

or:

Po

tom

ac-H

ud

son

En

gin

eeri

ng

, In

c.

Pre

par

ed B

y: S.S

. PA

PA

DO

PU

LO

S &

AS

SO

CIA

TE

S, I

NC

.E

nvi

ron

men

tal

& W

ater

-Res

ou

rce

Co

nsu

ltan

ts

Jun

e 5,

200

7

7944

Wis

con

sin

Ave

nu

e,B

eth

esd

a, M

aryl

and

208

14-3

620

(3

01)

718-

8900

Appendix D2

Appendix D2

Tab

le o

f Con

tent

s Pa

geL

ist o

f Fi

gure

s....

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

.....

ii

Sect

ion

1

Int

rodu

ctio

n....

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

1

Sect

ion

2

Gro

undw

ater

Flo

w A

naly

sis.

......

......

......

......

......

......

......

......

......

......

......

......

......

......

.2

New

Mon

itori

ng W

ell D

ata

......

......

......

......

......

......

......

......

......

......

......

......

......

......

2C

once

ptua

l Mod

el...

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

2M

odel

Mod

ific

atio

n...

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

...3

Mod

el C

alib

ratio

n...

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

4M

odel

Pre

dict

ions

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

...5

Pum

ping

Sce

nari

os...

......

......

......

......

......

......

......

......

......

......

......

.....

5M

odel

Res

ults

– D

raw

dow

n....

......

......

......

......

......

......

......

......

......

..7

Mod

el R

esul

ts –

Str

eam

flow

Dep

letio

n...

......

......

......

......

......

......

...9

Sect

ion

3

Sum

mar

y an

d C

oncl

usio

ns...

......

......

......

......

......

......

......

......

......

......

......

......

......

.....

10

Sect

ion

4

Ref

eren

ces.

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

......

...11

P:\1

009

Rai

nelle

\Rep

orts

\200

7L

ong-

Ter

m A

quif

er 6

-5-0

7\W

GC

_Rep

ort.d

oc6/

5/20

07i

Lis

t of F

igur

es

Figu

re 1

Loc

atio

n M

ap

Figu

re 2

O

bser

ved

vers

us S

imul

ated

Dra

wdo

wn

Figu

re 3

St

ream

flow

Dat

a fo

r M

eado

w R

iver

(U

SGS

0318

9890

, McR

oss

WV

)

Figu

re 4

St

ream

flow

Dat

a fo

r M

eado

w R

iver

(U

SGS

0319

0400

, Mt.

Loo

kout

WV

)

Figu

re 5

A

nnua

l Num

ber

of D

ays

per

Seas

on f

or G

roun

dwat

er P

umpi

ng

Figu

re 6

Sim

ulat

ed D

raw

dow

n af

ter

25 Y

ears

(Q

=1,

049

gpm

)

Figu

re 7

Sim

ulat

ed D

raw

dow

n af

ter

25 Y

ears

(Q

=1,

179

gpm

)

Figu

re 8

Sim

ulat

ed D

raw

dow

n af

ter

25 Y

ears

(Q

=96

0 gp

m W

inte

r –

1,13

9 gp

m S

umm

er)

Figu

re 9

Sim

ulat

ed D

raw

dow

n af

ter

25 Y

ears

(W

eigh

ted

Q=

280

gpm

Win

ter

– 70

7 gp

mSu

mm

er)

Figu

re 1

0O

bser

ved

Wat

er L

evel

s pr

ior

to A

quif

er T

est

Figu

re 1

1St

orag

e D

eple

tion

vers

us R

iver

Lea

kage

ove

r a

25-Y

ear

Peri

od (

Q=

1,04

9 gp

m)

Figu

re 1

2St

orag

e D

eple

tion

vers

us R

iver

Lea

kage

ove

r a

25-Y

ear

Peri

od (

Q=

1,17

9 gp

m)

Figu

re 1

3St

orag

e D

eple

tion

vers

us R

iver

Lea

kage

ove

r a

25-Y

ear

Peri

od (

960

gpm

Win

ter

– 1,

139

gpm

Sum

mer

)

Figu

re 1

4St

orag

e D

eple

tion

vers

us R

iver

Lea

kage

ove

r a

25-Y

ear

Peri

od (

Wei

ghte

d Q

=28

0 gp

m W

inte

r –

707

gpm

Sum

mer

)

Figu

re 1

5St

orag

e D

eple

tion

vers

us R

iver

Lea

kage

ove

r a

25-Y

ear

Peri

od, C

W-1

(Q

=15

0 gp

m)

Figu

re 1

6M

inim

um S

trea

mfl

ow a

nd A

djus

ted

Min

imum

Str

eam

flow

Val

ues

for

Mea

dow

Riv

er

P:\1

009

Rai

nelle

\Rep

orts

\200

7L

ong-

Ter

m A

quif

er 6

-5-0

7\W

GC

_Rep

ort.d

oc6/

5/20

07ii

Appendix D2

Appendix D2

RE

PO

RT

Sect

ion

1In

trod

uctio

nS.

S.

Papa

dopu

los

&

Ass

ocia

tes,

In

c.

(SSP

&A

) w

as

reta

ined

by

Po

tom

ac-H

udso

nE

ngin

eeri

ng,

Inc.

(P

HE

) to

de

velo

p a

grou

ndw

ater

fl

ow

mod

el

to

sim

ulat

e gr

ound

wat

er

cond

ition

s in

Rai

nelle

, W

est

Vir

gini

a.

The

pur

pose

of

the

grou

ndw

ater

mod

el w

as t

o ev

alua

te

the

avai

labi

lity

of g

roun

dwat

er a

s a

wat

er s

ourc

e fo

r th

e pr

opos

ed p

ower

fac

ility

, to

eva

luat

e po

tent

ial

impa

cts

to

loca

l pu

mpi

ng

wel

ls

from

gr

ound

wat

er

with

draw

als,

an

d to

ev

alua

te

pote

ntia

l im

pact

s to

the

Mea

dow

Riv

er.

The

ini

tial

grou

ndw

ater

mod

el w

as d

evel

oped

and

cal

ibra

ted

base

d on

dat

a an

d re

sults

ob

tain

ed f

rom

thre

e aq

uife

r te

sts

perf

orm

ed b

y PH

E in

the

vici

nity

of

the

prop

osed

pow

er f

acili

ty

(S.S

. Pap

adop

ulos

and

Ass

ocia

tes,

Inc

., 20

05).

The

cal

ibra

ted

mod

el w

as u

sed

to d

eter

min

edr

awdo

wns

at t

he p

umpi

ng w

ells

with

in a

25-

year

per

iod

of c

onst

ant p

umpi

ng.

Alth

ough

it w

as

show

n th

at i

t is

fea

sibl

e to

pro

duce

the

nec

essa

ry g

roun

dwat

er w

ithdr

awal

s du

ring

a 2

5-ye

ar

peri

od,

the

anal

ysis

was

bas

ed o

n th

e re

sults

of

rela

tivel

y sh

ort

term

aqu

ifer

tes

ts a

nd a

co

ncep

tual

geo

logi

c m

odel

that

was

bas

ed o

n lim

ited

fiel

d da

ta.

To

conf

irm

the

con

clus

ions

of

the

initi

al g

roun

dwat

er m

odel

and

dev

elop

a m

ore

thor

ough

und

erst

andi

ng o

f th

e aq

uife

r sy

stem

, SSP

&A

(20

05)

reco

mm

ende

d a

long

term

aqu

ifer

test

with

add

ition

al m

onito

ring

wel

ls in

loca

tions

that

wou

ld p

rovi

de in

form

atio

n w

ith r

espe

ct to

th

e hy

drog

eolo

gic

cond

ition

s ov

er a

muc

h la

rger

are

a.

PHE

sub

sequ

ently

con

stru

cted

tw

o ne

wm

onito

ring

wel

ls a

nd c

ondu

cted

a 6

0-da

y lo

ng-t

erm

aqu

ifer

tes

t at

the

pro

pose

d pu

mpi

ng w

ells

du

ring

Oct

ober

and

Nov

embe

r 20

06.

The

dat

a ob

tain

ed f

rom

dri

lling

tw

o ne

w m

onito

ring

wel

ls w

ere

used

to

refi

ne t

hest

ruct

ure

of th

e gr

ound

wat

er f

low

mod

el a

nd th

e re

vise

d m

odel

was

rec

alib

rate

d to

the

data

fro

m

the

long

-ter

m a

quif

er te

st.

Aft

er th

e m

odel

was

rec

alib

rate

d, n

ew p

redi

ctio

ns o

f dr

awdo

wn

at th

e lo

cal

pum

ping

wel

ls w

ere

mad

e fo

r a

25-y

ear

peri

od o

f va

riou

s sc

enar

ios

of c

onst

ant

and

seas

onal

pum

ping

. In

addi

tion,

a d

etai

led

stre

amfl

ow a

naly

sis

for

Mea

dow

Riv

er w

as c

ondu

cted

to

est

imat

e lo

ng te

rm im

pact

son

str

eam

flow

fro

m p

umpi

ng.

P:\1

009

Rai

nelle

\Rep

orts

\200

7L

ong-

Ter

m A

quif

er 6

-5-0

7\W

GC

_Rep

ort.d

oc6/

5/20

071

Appendix D2

Appendix D2

Sect

ion

2G

roun

dwat

er F

low

Ana

lysi

s

New

Mon

itori

ng W

ell D

ata

PHE

con

duct

ed a

long

-ter

m a

quif

er te

st a

t wel

ls P

W-1

and

PW

-3 (

Figu

re 1

) fr

om O

ctob

erth

roug

h N

ovem

ber

2006

. W

ater

lev

el d

ata

wer

e co

llect

ed d

urin

g a

peri

od o

f ap

prox

imat

ely

35

days

pri

or t

o th

e te

st,

duri

ng t

he t

wo

mon

thpu

mpi

ng p

erio

d, a

nd f

or a

mon

th a

fter

the

pum

psw

ere

shut

off

. For

the

purp

oses

of

the

aqui

fer

test

, tw

o ne

w m

onito

ring

wel

ls w

ere

drill

ed, O

W-8

and

OW

-9 (

Figu

re 1

), i

n th

e so

uthe

rn p

art

of t

he S

ewel

l C

reek

val

ley

and

in t

he L

ittle

Sew

ell

Cre

ek v

alle

y re

spec

tivel

y.

The

lith

olog

y at

mon

itori

ng w

ell

OW

-8 i

s ve

ry s

imila

r to

tha

t at

wel

l PW

-1 a

nd t

hesu

rrou

ndin

g ob

serv

atio

n w

ells

. B

elow

the

sur

fici

al a

lluvi

um,

whi

ch i

s ap

prox

imat

ely

15 f

eet

thic

k, t

here

is

a 25

-foo

t th

ick

unit

of i

nter

bedd

edsi

lts, s

ands

and

cla

ys.

Bel

ow t

his

unit,

fro

m a

de

pth

of 4

0 to

60

feet

, is

a b

lue

sand

y sh

ale

and

from

a d

epth

of

60 f

eet

to 2

00 f

eet

is t

he

sand

ston

e un

it th

at i

s se

en a

t PW

-1. T

he w

ell

was

cas

ed f

rom

lan

d su

rfac

e to

a d

epth

of

40 f

eet

and

has

an o

pen

hole

com

plet

ion

to to

tal d

epth

of

200

feet

.

Wel

l O

W-9

was

com

plet

ed a

t a

dept

h of

160

fee

t be

low

gro

und

surf

ace

and

it w

as c

ased

of

f th

e fi

rst

40 f

eet.

Blu

e gr

ay a

nd r

ed s

hale

s an

d sa

ndy

shal

es w

ere

enco

unte

red

at t

hat

wel

l fr

om l

and

surf

ace

to t

otal

dep

th.

Bas

ed o

n th

e st

ruct

ure

cont

our

map

of

the

base

of

the

Sew

ell

Coa

l pr

epar

ed b

y Pr

ice

(193

7) t

he s

ands

tone

uni

t ob

serv

ed a

t PW

-1 w

as a

ntic

ipat

ed a

t th

islo

catio

n. H

owev

er, u

nlik

e w

ell

PW-1

, no

sand

ston

e w

as e

ncou

nter

ed i

n w

ell

OW

-9. I

n ad

ditio

n,

visu

al i

nspe

ctio

n of

the

hill

side

alo

ng L

ittle

Sew

ell

Cre

ek c

onfi

rmed

san

dsto

ne o

utcr

ops

at

elev

atio

ns a

bove

the

val

ley

floo

r. B

ased

on

the

abov

e, i

t ap

pear

s th

at t

he s

ands

tone

out

crop

s in

th

e va

lley

furt

her

nort

h an

d th

at O

W-9

pen

etra

tes

a un

it st

ratig

raph

ical

ly b

elow

the

sand

ston

e.

Con

cept

ual M

odel

T

he c

once

ptua

l m

odel

of

the

grou

ndw

ater

sys

tem

dev

elop

ed p

revi

ousl

y by

SSP

&A

was

m

odif

ied

to r

efle

ct t

he f

indi

ngs

from

the

bor

ing

logs

of

the

two

new

mon

itori

ng w

ells

. T

he

grou

ndw

ater

sys

tem

is

now

con

cept

ualiz

ed a

s co

nsis

ting

of f

our

maj

or u

nits

: 1)

sat

urat

ed

allu

vium

, 5-

15 f

eet

thic

k; 2

) a

unit

cons

istin

g of

int

erbe

dded

blu

e, r

ed a

nd g

reen

sha

les,

san

dy

shal

es a

nd s

ands

tone

, 25

-50

feet

thi

ck (

low

per

mea

bilit

y un

it);

3) a

n un

derl

ying

fra

ctur

edsa

ndst

one

unit,

100

fee

t th

ick;

and

4)

an i

nter

bedd

ed s

and

and

shal

e un

it, a

t le

ast

60 f

eet

thic

k.

The

pro

duct

ion

and

deep

obs

erva

tion

wel

ls a

re o

pen

to b

oth

the

low

per

mea

bilit

y un

it an

dsa

ndst

one

unit,

exc

ept f

or w

ell O

W-9

whi

ch is

ope

n to

the

deep

er s

and

and

shal

e un

it.

The

low

per

mea

bilit

y un

it ac

ts a

s an

aqu

itard

,allo

win

g lim

ited

vert

ical

lea

kage

. The

re i

s lim

ited

hydr

aulic

co

nnec

tion

betw

een

the

allu

vium

an

d th

e sa

ndst

one

unit.

G

roun

dwat

er

mov

emen

t oc

curs

pri

mar

ily t

hrou

gh h

oriz

onta

l fr

actu

res

in t

he s

ands

tone

uni

t, as

a r

esul

t of

stre

ss r

elie

f fr

actu

ring

(W

yric

k an

d B

orch

ers,

198

1).

P:\1

009

Rai

nelle

\Rep

orts

\200

7L

ong-

Ter

m A

quif

er 6

-5-0

7\W

GC

_Rep

ort.d

oc6/

5/20

072

The

rep

rese

ntat

ion

of t

he d

ip o

f ge

olog

ic u

nits

in

the

vici

nity

of

Rai

nelle

, 12

0 fe

et p

er

mile

to th

e no

rthw

est,

was

not

cha

nged

in th

e re

vise

d m

odel

. H

owev

er, t

he s

trik

e of

the

geol

ogic

un

its w

as a

ltere

d sl

ight

ly t

o N

70ºW

to

acco

unt

for

the

find

ings

at

wel

ls O

W-8

and

OW

-9.

As

are

sult,

the

san

dsto

ne u

nit

is n

ow c

alcu

late

d to

out

crop

fur

ther

nor

th a

long

Litt

le S

ewel

l C

reek

th

an p

revi

ousl

y th

ough

t to

be th

e ca

se (

Figu

re 1

).

Rec

harg

e to

the

aqu

ifer

occ

urs

via

the

vert

ical

fra

ctur

es a

long

the

val

ley

wal

ls a

nd i

n th

e ar

eas

whe

re t

he s

ands

tone

uni

t ou

tcro

ps.

The

ver

tical

fra

ctur

es e

xten

d al

l th

e w

ay d

own

to t

he

deep

er u

nits

and

thus

act

as

low

per

mea

bilit

y ba

rrie

rs.

Mod

el M

odifi

catio

n T

he g

roun

dwat

er m

odel

gri

d re

mai

ned

unch

ange

d ho

rizo

ntal

ly, e

ncom

pass

ing

an a

rea

of

appr

oxim

atel

y 50

squ

are

mile

s, d

efin

ed b

y a

grid

of

352

row

s an

d 15

2 co

lum

ns o

f va

riab

le

spac

ing.

The

ver

tical

mod

el d

iscr

etiz

atio

n no

w i

nclu

des

four

lay

ers

for

the

repr

esen

tatio

n of

the

al

luvi

um, t

he l

ow p

erm

eabi

lity

unit,

the

san

dsto

ne u

nit,

and

the

inte

rbed

ded

sand

ston

e an

d sh

ale

unit.

The

mod

el o

rien

tatio

n is

35

degr

ees

east

of

nort

h; w

hich

mea

ns th

at th

e m

odel

col

umns

are

or

ient

ed n

orth

east

- s

outh

wes

t (Fi

gure

1).

Gri

d sp

acin

g al

so r

emai

ned

unch

ange

d. G

rid

spac

ing

alon

g m

odel

row

s va

ries

bet

wee

n 60

.625

fee

t an

d 48

5 fe

et.

Gri

d sp

acin

g al

ong

colu

mns

var

ies

betw

een

88.7

5 fe

et a

nd 3

55 f

eet.

The

top

laye

r ha

s va

riab

le th

ickn

ess;

a th

ickn

ess

of 1

5 fe

et is

spe

cifi

ed w

here

sat

urat

ed a

lluvi

um

exis

ts, e

lsew

here

the

thic

knes

s is

spe

cifi

ed a

s 10

fee

t. T

he s

econ

d la

yer,

whi

ch r

epre

sent

s th

e lo

wpe

rmea

bilit

y un

it, h

as a

thic

knes

s of

50

feet

, exc

ept u

nder

neat

h th

e al

luvi

um, w

here

the

thic

knes

sis

spe

cifi

ed a

s 35

fee

t. T

he t

hird

mod

el l

ayer

, re

pres

entin

g th

e sa

ndst

one

unit,

has

a u

nifo

rmth

ickn

ess

of 1

00 f

eet.

The

fou

rth

mod

el la

yer,

rep

rese

ntin

g th

e de

eper

inte

rbed

ded

sand

ston

e an

d sh

ale

unit,

has

a u

nifo

rm t

hick

ness

of

60 f

eet.

The

sec

ond

laye

r, t

he l

ow-p

erm

eabi

lity

unit,

was

assu

med

to

be n

ot p

rese

nt i

n ar

eas

whe

re t

he s

ands

tone

uni

t di

rect

ly u

nder

lies

the

allu

vium

; th

is

was

sim

ulat

ed b

y sp

ecif

ying

a v

ery

larg

e ve

rtic

al h

ydra

ulic

con

duct

ivity

for

the

mid

dle

laye

r in

th

ese

area

s.

The

mod

el b

ound

ary

cond

ition

s in

clud

ed n

o-fl

ow b

ound

arie

s al

ong

the

mod

el p

erim

eter

,an

d ri

ver

node

s in

the

top

laye

r al

ong

the

maj

or s

trea

ms.

All

rive

r no

des

wer

e as

sign

ed a

con

stan

t hy

drau

lic h

ead.

Dif

fere

nt h

ydra

ulic

con

duct

ivity

val

ues

wer

e sp

ecif

ied

in t

he u

plan

d an

d va

lley

area

s in

al

l la

yers

. H

owev

er,

the

sand

ston

e un

it un

derl

ying

the

allu

vium

alo

ng M

eado

w R

iver

nor

th o

f w

ell

BW

-1 w

as a

ssig

ned

upla

nd c

ondu

ctiv

ities

con

sist

ent

with

the

res

ults

obt

aine

d pr

evio

usly

fr

om a

naly

sis

of th

e aq

uife

r te

st r

esul

ts f

rom

wel

l PW

-4. T

his

sugg

ests

that

str

ess

relie

f fr

actu

ring

is

not

pre

vale

nt in

are

as w

here

the

valle

ys a

re v

ery

narr

ow.

P:\1

009

Rai

nelle

\Rep

orts

\200

7L

ong-

Ter

m A

quif

er 6

-5-0

7\W

GC

_Rep

ort.d

oc6/

5/20

073

Appendix D2

Appendix D2

Hyd

raul

ic

prop

ertie

s of

th

e m

odel

, in

clud

ing

hori

zont

al

and

vert

ical

hy

drau

lic

cond

uctiv

ity a

nd s

tora

ge c

oeff

icie

nt,

wer

e de

term

ined

thr

ough

the

cal

ibra

tion

proc

ess.

Spe

cifi

c yi

eld

for

the

top

laye

r w

as s

et e

qual

to 0

.1.

The

pum

ping

wel

ls P

W-3

and

CW

-1 w

ere

repr

esen

ted

by c

ells

in

the

thir

d m

odel

lay

er.

Wel

l PW

-1 i

s re

pres

ente

d by

cel

ls i

n bo

th t

he t

hird

and

fou

rth

mod

el l

ayer

s. T

he p

umpi

ng r

ates

of

wel

ls P

W-1

and

PW

-3 d

urin

g th

e aq

uife

r te

stva

ried

acc

ordi

ng to

the

valu

es s

how

n in

Tab

le 1

. Fo

r th

e pu

rpos

es o

f th

e gr

ound

wat

er f

low

mod

elin

g, t

ime-

aver

aged

pum

ping

rat

es w

ere

used

for

both

wel

ls. W

ell

CW

-1 w

as a

ssig

ned

a co

nsta

nt p

umpi

ng r

ate

of 1

50 g

allo

ns p

er m

inut

e (g

pm),

refl

ectin

g its

rep

orte

d pu

mpi

ng s

ched

ule.

Tab

le1

Pum

ping

Rat

es fo

r W

ells

PW

-1 a

nd P

W-3

PW-1

(gpm

)PW

-3 (g

pm)

Dat

eM

easu

red

Ave

rage

ove

rco

nsec

utiv

em

easu

rem

ents

Mea

sure

dA

vera

ge o

ver

cons

ecut

ive

mea

sure

men

ts10

/1/2

006

12:0

050

030

010

/2/2

006

13:1

049

049

530

030

010

/3/2

006

16:4

046

047

533

531

7.5

10/6

/200

6 8:

0044

545

2.5

325

330

11/3

0/20

06 1

2:00

409

427

308

316.

5T

ime

Ave

rage

d Q

43

031

5

Mod

el C

alib

ratio

nM

odel

cal

ibra

tion

was

fac

ilita

ted

thro

ugh

the

use

of P

EST

(D

oher

ty,

2005

), a

non

linea

r pa

ram

eter

est

imat

ion

and

mod

el c

alib

ratio

n so

ftw

are.

Mod

el c

alib

ratio

n pa

ram

eter

s in

clud

ed:

Hor

izon

tal a

nd v

ertic

al h

ydra

ulic

con

duct

ivity

. Sp

ecif

ic s

tora

ge.

The

flo

w m

odel

cal

ibra

tion

targ

ets

incl

uded

mea

sure

d dr

awdo

wn

at t

he d

eep

obse

rvat

ion

wel

ls d

urin

g th

e aq

uife

r te

st.

Hor

izon

tal

and

vert

ical

hyd

raul

ic c

ondu

ctiv

ities

and

sto

rage

co

effi

cien

ts

wer

e de

term

ined

th

roug

h th

e ite

rativ

e ca

libra

tion

proc

edur

e.

The

ca

libra

ted

hydr

aulic

pro

pert

ies

are

sum

mar

ized

in th

e fo

llow

ing

tabl

e:

Tab

le 2

C

alib

ratio

n R

esul

tsV

alle

yU

plan

ds

Uni

tH

oriz

onta

lC

ondu

ctiv

ity(f

t/d)

Ver

tical

Con

duct

ivity

(ft/d

)

Spec

ific

Stor

age

(per

foo

t)

Hor

izon

tal

Con

duct

ivity

(ft/d

)

Ver

tical

Con

duct

ivity

(ft/d

)

Spec

ific

Stor

age

(per

foo

t)A

lluvi

um10

.72.

9x10

-6-

--

Sand

y Sh

ale

1.8

4.5x

10-5

2.2x

10-6

1.8

6.2x

10-3

1.5x

10-6

Sand

ston

e70

.24.

5x10

-51.

5x10

-61.

86.

2x10

-31.

5x10

-6

Sand

ston

e/ S

hale

20.8

0.5

1.5x

10-6

1.8

6.2x

10-3

1.5x

10-6

P:\1

009

Rai

nelle

\Rep

orts

\200

7L

ong-

Ter

m A

quif

er 6

-5-0

7\W

GC

_Rep

ort.d

oc6/

5/20

074

Plot

s of

cal

cula

ted

draw

dow

ns a

nd o

bser

ved

draw

dow

ns f

rom

the

aqu

ifer

tes

t ar

e sh

own

on F

igur

e 2.

It

shou

ld b

e no

ted

that

no

reco

very

dat

a ar

e av

aila

ble

for

wel

l C

W-1

, du

e to

eq

uipm

ent f

ailu

re.

Mod

el P

redi

ctio

ns

Pum

ping

Sce

nari

os

The

cal

ibra

ted

mod

el w

as r

un f

or a

per

iod

of 2

5 ye

ars

to s

imul

ate

long

-ter

m d

raw

dow

n in

th

e gr

ound

wat

er

syst

em

and

to

eval

uate

co

rres

pond

ing

stre

amfl

owde

plet

ions

un

der

two

scen

ario

s.

The

tw

o sc

enar

ios

incl

ude

com

bine

dpr

oduc

tion

rate

s fo

r w

ells

PW

-1 a

nd P

W-3

tha

t re

flec

t co

nditi

ons

rela

ted

to t

he a

ctua

l op

erat

ion

of t

he p

lant

and

the

cor

resp

ondi

ng w

ater

de

man

ds.

The

sce

nari

os c

onsi

dere

d w

ere

base

d on

the

ass

umpt

ion

that

: (a

) G

roun

dwat

er i

s th

e pr

imar

y so

urce

of

wat

er,

and

(b)

Surf

ace

wat

er f

rom

Mea

dow

Riv

er i

s th

e pr

imar

y so

urce

of

wat

er, w

ith s

uppl

emen

tal

grou

ndw

ater

with

draw

als

whe

n th

e fl

ow i

n th

e ri

ver

falls

bel

ow g

iven

se

ason

al th

resh

olds

.

The

pum

ping

rat

es c

onsi

dere

d fo

r th

e fi

rst

scen

ario

cor

resp

onde

d to

the

ann

ual

aver

age,

m

axim

um,

and

seas

onal

(A

pril

thro

ugh

Sept

embe

r an

d O

ctob

er t

hrou

gh M

arch

) w

ater

dem

and

for

the

plan

t. B

y de

sign

, the

eff

luen

t of

the

Rai

nelle

Sew

age

Tre

atm

ent P

lant

, whi

ch c

urre

ntly

isbe

ing

disc

harg

ed t

o th

e ri

ver,

will

be

dive

rted

to

the

pow

er p

lant

to

supp

ly s

ome

of t

he w

ater

dem

and.

G

iven

tha

t th

e tr

eate

d ef

flue

nt w

ill n

ot b

e co

ntri

butin

g to

str

eam

flow

, it

is i

nclu

ded

in

the

pow

er p

lant

wat

er d

eman

d co

nsid

ered

her

ein,

in

orde

r to

ass

ess

the

effe

cts

of b

oth

the

wat

erw

ithdr

awal

s an

d re

duce

d tr

eate

d w

ater

dis

char

geto

str

eam

flow

. T

here

fore

, th

e pu

mpi

ng r

ates

us

ed f

or m

odel

pre

dict

ions

wer

e:A

vera

ge d

eman

d: 1

,049

gpm

.M

axim

um d

eman

d: 1

,179

gpm

.Se

ason

al d

eman

d: 9

60 g

pm f

or t

he p

erio

d O

ctob

er-M

arch

, and

1,1

39 g

pm f

or t

he p

erio

d A

pril-

Sept

embe

r.

For

the

seco

nd s

cena

rio,

min

imum

str

eam

flow

requ

irem

ents

for

dir

ect

wat

er w

ithdr

awal

s fr

om th

e ri

ver

impo

sed

by th

e St

ate

wer

e co

nsid

ered

. Acc

ordi

ng to

thes

e re

quir

emen

ts, w

ater

can

be

with

draw

n di

rect

ly f

rom

the

rive

r on

ly w

hen

the

flow

is h

ighe

r th

an 1

18 c

ubic

fee

t per

sec

ond

(cfs

) du

ring

the

win

ter

seas

on (

Oct

ober

-Mar

ch)

and

178

cfs

duri

ng t

he s

umm

er p

erio

d (A

pril-

Sept

embe

r).

The

pum

ping

rat

es w

ere

calc

ulat

ed b

ased

on

the

aver

age

seas

onal

dem

and,

wei

ghte

d by

the

rat

io o

f nu

mbe

r of

day

s pe

r se

ason

whe

n th

e fl

ow i

s be

low

the

min

imum

thre

shol

d to

the

num

ber

of to

tal d

ays

per

seas

on.

For

the

purp

oses

of

calc

ulat

ing

the

pum

ping

rate

s fo

r th

e se

cond

sce

nari

o, a

det

aile

d st

ream

flow

ana

lysi

s w

as c

ondu

cted

. H

isto

rica

l st

ream

flow

dat

a fo

r M

eado

w R

iver

are

ava

ilabl

e fr

om a

USG

S ga

uge

on M

eado

w R

iver

at M

cRos

s, a

few

mile

s no

rth

from

wel

l BW

-1, r

efle

ctin

gco

nditi

ons

near

by t

he w

ell

fiel

d, a

nd f

or a

sho

rt p

erio

d of

yea

rs (

1979

-198

2).

The

str

eam

flow

valu

es f

or t

his

gaug

e ar

e sh

own

in F

igur

e 3.

Ano

ther

USG

S ga

uge

is l

ocat

ed a

t M

t. L

ooko

ut, i

n

P:\1

009

Rai

nelle

\Rep

orts

\200

7L

ong-

Ter

m A

quif

er 6

-5-0

7\W

GC

_Rep

ort.d

oc6/

5/20

075

Appendix D2

Appendix D2

Nic

hola

s C

ount

y, W

V,

appr

oxim

atel

y 17

mile

s fr

om R

aine

lle,

with

alm

ost

cont

inuo

us d

ata

for

the

peri

od 1

966-

2007

. T

he s

trea

mfl

ow v

alue

s fo

r th

is p

erio

d ar

e sh

own

in F

igur

e 4.

Giv

en th

e sh

ort p

erio

d co

vere

d by

the

data

fro

m th

e M

cRos

s ga

uge,

and

that

onl

y th

e M

t. L

ooko

ut g

auge

pro

vide

s co

ntin

uous

dat

a th

at s

pan

a m

uch

long

er p

erio

d, t

he c

orre

latio

n of

the

da

ta f

rom

the

tw

o ga

uges

was

exa

min

ed, t

o pr

ovid

e an

equ

ival

ent

stre

amfl

ow d

atas

et t

o be

use

d fo

r th

e st

ream

flow

ana

lysi

s in

the

mod

el a

rea.

The

dra

inag

e ar

ea c

orre

spon

ding

to th

e tw

o ga

uges

w

as o

btai

ned

from

the

USG

S N

WIS

Web

Dat

abas

e an

d is

sho

wn

in th

e fo

llow

ing

tabl

e:

USG

S St

atio

n D

rain

age

Are

a (s

quar

e m

iles)

M

cRos

s,U

SG

S 0

3189

890

163

Mt.

Loo

kout

, US

GS

031

9040

036

5

The

rat

io b

etw

een

the

two

drai

nage

are

as is

app

roxi

mat

ely

2.2.

By

scal

ing

dow

n th

e da

ta

from

the

Mt.

Loo

kout

gau

ge b

y a

fact

or o

f 2.

2, t

he c

orre

latio

n co

effi

cien

t be

twee

n th

e M

cRos

sda

tase

t an

d th

e re

sulti

ng d

atas

et i

s 0.

87;

the

aver

age

stre

amfl

ow f

or t

he p

erio

d 19

79-1

982

is

347.

3 cf

s an

d 34

3.9

cfs

resp

ectiv

ely;

and

the

med

ian

stre

amfl

ow i

s 19

0.0

cfs

and

190.

9 cf

s re

spec

tivel

y.

T

here

fore

, th

e re

sulti

ng

data

set

coul

d be

co

nsid

ered

re

pres

enta

tive

of

the

stre

amfl

ow c

ondi

tions

in

Mea

dow

Riv

er n

ear

the

wel

l fi

eld

and

for

a pe

riod

of

mor

e th

an 4

0 ye

ars.

In

addi

tion,

it is

ass

umed

that

the

sam

eco

nditi

ons

will

pre

vail

in th

e ne

xt 4

0 ye

ars

and

so

the

sam

e da

tase

t ca

n be

use

d to

eva

luat

e th

e im

pact

s of

mod

el p

redi

cted

riv

er l

eaka

ge t

o st

ream

flow

.

The

ave

rage

sea

sona

l pu

mpi

ng r

ates

use

d in

Sce

nari

o 2

wer

e w

eigh

ted

to r

efle

ct t

he

oper

atin

g sc

hedu

le o

f th

e w

ells

as

a fu

nctio

n of

the

num

ber

of d

ays

the

wel

ls w

ill b

e tu

rned

on.

It

was

det

erm

ined

tha

t th

e w

eigh

ted

seas

onal

pum

ping

rat

es f

or S

cena

rio

2 is

707

gpm

(1.

58 c

fs)

for

the

peri

od A

pril-

Sept

embe

r, a

nd 2

80 g

pm (

0.62

cfs

) fo

r th

e pe

riod

Oct

ober

-Mar

ch.

Figu

re 5

ill

ustr

ates

the

num

ber

of d

ays

per

seas

on p

er y

ear

that

the

wel

ls w

ill h

ave

to b

e op

erat

ing

due

to

low

flo

w c

ondi

tions

in

Mea

dow

Riv

er.

The

val

ues

in t

his

Figu

re r

epre

sent

the

per

cent

age

ofda

ys o

f op

erat

ion

agai

nst

the

tota

l nu

mbe

r of

day

s pe

r se

ason

. T

he r

esul

ts o

f th

is a

naly

sis

are

tabu

late

d in

the

follo

win

g T

able

:

P:\1

009

Rai

nelle

\Rep

orts

\200

7L

ong-

Ter

m A

quif

er 6

-5-0

7\W

GC

_Rep

ort.d

oc6/

5/20

076

P:\1

009

Rai

nelle

\Rep

orts

\200

7L

ong-

Ter

m A

quif

er 6

-5-0

7\W

GC

_Rep

ort.d

oc7

6/5/

2007

Yea

r#

of

Day

sA

pr-

Sep

# o

fD

ays

Flo

w >

178

cfs

# o

fD

ays

Flo

w <

178

cfs

Ave

rag

eP

um

pin

gR

ate

Ap

r-S

ep(c

fs)

An

nu

alP

um

pin

g R

ate

Str

eam

flo

wA

pr-

Sep

(cfs

)

# o

fD

ays

Oct

-Mar

# o

f D

ays

Flo

w >

118

cfs

# o

fD

ays

Flo

w <

118

cfs

Ave

rag

eP

um

pin

g R

ate

Mar

-Oct

(cfs

)

An

nu

alA

vera

ge

Pu

mp

ing

Rat

eM

ar-O

ct(c

fs)

1966

306

242.

031.

5892

6626

0.60

0.62

1967

183

6411

91.

6518

214

636

0.42

1968

183

7111

21.

5518

312

459

0.69

1969

183

7410

91.

5118

211

963

0.74

1970

183

5912

41.

7218

213

349

0.58

1971

183

8796

1.33

182

149

330.

3919

7218

310

083

1.15

183

173

100.

1219

7318

397

861.

1918

215

230

0.35

1974

183

7311

01.

5318

214

537

0.43

1975

183

8210

11.

4018

214

438

0.45

1976

183

3015

32.

1218

317

76

0.07

1977

183

4413

91.

9318

213

646

0.54

1978

183

5412

91.

7918

210

775

0.88

1979

183

128

550.

7618

216

220

0.24

1980

183

7011

31.

5718

310

875

0.88

1981

183

9291

1.26

182

117

650.

7619

8218

374

109

1.51

182

131

510.

6019

8318

381

102

1.41

182

131

510.

6019

8418

347

136

1.89

183

6112

21.

4319

8518

30

183

2.54

182

4813

41.

5719

8618

344

139

1.93

182

140

420.

4919

8718

344

139

1.93

182

115

670.

7919

8818

357

126

1.75

183

119

640.

7519

8918

310

479

1.10

182

156

260.

3119

9018

373

110

1.53

182

157

250.

2919

9118

338

145

2.01

182

124

580.

6819

9218

380

103

1.43

183

108

750.

8819

9318

356

127

1.76

182

132

500.

5919

9418

372

111

1.54

182

109

730.

8619

9518

359

124

1.72

182

133

490.

5819

9618

310

380

1.11

183

171

120.

1419

9718

365

118

1.64

182

9092

1.08

1998

183

8010

31.

4318

210

280

0.94

1999

183

3215

12.

0918

212

062

0.73

2000

183

109

741.

0318

389

941.

1020

0118

366

117

1.62

182

7910

31.

2120

0218

364

119

1.65

182

143

390.

4620

0318

313

053

0.73

182

153

290.

3420

0418

387

961.

3318

317

211

0.13

2005

183

6711

61.

6118

214

042

0.49

2006

183

5213

11.

8218

213

646

0.54

2007

4636

100.

46

Mod

el R

esul

ts –

Dra

wdo

wn

The

res

ults

of

the

mod

el r

un u

sing

the

para

met

ers

obta

ined

fro

m c

alib

ratio

n to

aqu

ifer

test

re

sults

are

sho

wn

in F

igur

e 6,

for

the

com

bine

dan

nual

ave

rage

pum

ping

rat

e of

1,0

49 g

pm.

The

calc

ulat

ed d

raw

dow

n af

ter

25 y

ears

of

pum

ping

at

wel

l C

W-1

is

appr

oxim

atel

y 53

fee

t. T

he

calc

ulat

ed d

raw

dow

n at

pro

duct

ion

wel

l PW

-1 i

s ap

prox

imat

ely

59 f

eet

and

the

calc

ulat

ed

draw

dow

n at

pro

duct

ion

wel

l PW

-3 is

app

roxi

mat

ely

53 f

eet.

The

res

ults

of

the

mod

el r

un f

or t

he c

ombi

ned

annu

al m

axim

um p

umpi

ng r

ate

of 1

,179

gp

m a

re s

how

n in

Fig

ure

7. T

he c

alcu

late

d dr

awdo

wn

afte

r 25

yea

rs o

f pu

mpi

ng a

t wel

l CW

-1 is

appr

oxim

atel

y 62

fee

t. T

he c

alcu

late

d dr

awdo

wn

at p

rodu

ctio

n w

ell

PW-1

is

appr

oxim

atel

y 69

fe

et a

nd th

e ca

lcul

ated

dra

wdo

wn

at p

rodu

ctio

n w

ell P

W-3

is a

ppro

xim

atel

y 64

fee

t.

The

res

ults

of

the

mod

el r

un f

or t

he c

ombi

ned

seas

onal

pum

ping

rat

e of

1,1

39 g

pm

duri

ng t

he s

umm

er p

erio

d an

d 96

0 gp

m d

urin

g th

e w

inte

r pe

riod

are

sho

wn

in F

igur

e 8.

T

he

calc

ulat

ed d

raw

dow

n af

ter

25 y

ears

of

pum

ping

at

wel

l C

W-1

is

appr

oxim

atel

y 56

fee

t. T

he

Appendix D2

Appendix D2

calc

ulat

ed d

raw

dow

n at

pro

duct

ion

wel

l PW

-1 i

s ap

prox

imat

ely

64 f

eet

and

the

calc

ulat

ed

draw

dow

n at

pro

duct

ion

wel

l PW

-3 is

app

roxi

mat

ely

60 f

eet.

For

Scen

ario

2,

with

gro

undw

ater

bei

ng t

he s

uppl

emen

tal

sour

ce o

f w

ater

, th

e re

sults

of

the

mod

el r

un f

or t

he c

ombi

ned

wei

ghte

d an

nual

sea

sona

l pu

mpi

ng r

ate

of 7

07 g

pm d

urin

g th

esu

mm

er p

erio

d an

d 28

0 gp

m d

urin

g th

e w

inte

r pe

riod

are

sho

wn

in F

igur

e 9.

T

he c

alcu

late

d dr

awdo

wn

afte

r 25

yea

rs o

f pu

mpi

ng a

t w

ell

CW

-1 i

s ap

prox

imat

ely

33 f

eet.

The

cal

cula

ted

draw

dow

n at

pro

duct

ion

wel

l PW

-1 i

s ap

prox

imat

ely

36 f

eet

and

the

calc

ulat

ed d

raw

dow

n at

pr

oduc

tion

wel

l PW

-3 is

app

roxi

mat

ely

33 f

eet.

As

disc

usse

d in

the

pre

viou

s m

odel

ing

repo

rt (

S.S.

Pap

adop

ulos

and

Ass

ocia

tes,

Inc

., 20

05),

in o

rder

to a

ddre

ss c

once

rns

rega

rdin

g sh

ort-

term

drou

ght p

erio

ds, a

n an

alys

is o

f av

aila

ble

data

fro

m o

bser

vatio

n w

ells

in G

reen

brie

r, F

ayet

te, a

nd N

icho

las

Cou

ntie

s, w

hich

enc

ompa

ss th

edr

aina

ge b

asin

of

Rai

nelle

, w

as p

erfo

rmed

. T

he d

ata

wer

e do

wnl

oade

d fr

om t

he U

SGS

NW

ISW

eb D

atab

ase.

Wat

er l

evel

dat

a w

ere

cons

ider

ed o

nly

for

wel

ls w

ith a

vaila

ble

data

span

ning

mor

e th

an o

ne y

ear

and

with

suf

fici

ent n

umbe

r of

mea

sure

men

ts e

ach,

reg

ardl

ess

of th

e fo

rmat

ion

in w

hich

they

wer

e co

mpl

eted

. T

he m

axim

um w

ater

leve

l flu

ctua

tion

for

all w

ells

did

not

exce

ed 1

2 fe

et,

whi

ch c

ould

be

cons

ider

ed a

s ad

ditio

nal

draw

dow

n to

ref

lect

sho

rt-t

erm

drou

ght c

ondi

tions

.

Dra

wdo

wns

at

the

mon

itori

ng w

ells

mea

sure

d du

ring

a p

erio

d of

35

days

pri

or t

o th

e aq

uife

r te

st a

re s

how

n in

Fig

ure

10.

The

dra

wdo

wns

indi

cate

no

long

-ter

m u

pwar

d or

dow

nwar

d tr

end

duri

ng

that

pe

riod

.

How

ever

, du

ring

th

e pu

mpi

ng

phas

e th

e dr

awdo

wns

ex

hibi

t a

dow

nwar

d tr

end.

The

tr

end

is

not

cons

ider

ed

sign

ific

ant

and

the

calib

ratio

n re

sults

ar

e sa

tisfa

ctor

y.

A c

onse

rvat

ive

estim

ate

of th

e to

tal p

oten

tial d

raw

dow

n at

wel

ls C

W-1

, PW

-1, a

nd P

W-3

coul

d be

exp

ress

ed a

s th

e su

m o

f th

e pr

edic

ted

draw

dow

n an

d th

e m

axim

um w

ater

lev

elfl

uctu

atio

n co

rres

pond

ing

to p

ossi

ble

drou

ght

cond

ition

s (1

2 ft

).

Wel

l co

nstr

uctio

n da

ta a

nd t

he

rang

e of

pot

entia

l gr

ound

wat

er e

leva

tions

at

wel

ls C

W-1

, PW

-1,

and

PW-3

are

sho

wn

in t

he

follo

win

g ta

ble:

Wel

lC

asin

gE

leva

tion

(ft a

msl

)

Wel

l Dep

th

(ft)

Gro

undw

ater

Ele

vatio

npr

ior

to

Aqu

ifer

Tes

t (f

t am

sl)

Ran

ge o

f D

raw

dow

n(f

t)

Gro

undw

ater

Ele

vatio

n af

ter

25

year

s(f

t am

sl)

CW

-12,

392

200

2,37

633

-62

2,33

1-2,

302

PW-1

2,40

022

02,

373

36-6

92,

325-

2,29

2PW

-32,

388

168

2,37

233

-64

2,32

7-2,

296

It s

houl

d al

so b

e no

ted

that

, ba

sed

on i

nfor

mat

ion

obta

ined

fro

m t

he R

aine

lle W

ater

D

epar

tmen

t, th

e pu

mp

in w

ell

CW

-1 i

s se

t at

180

ft

belo

w g

roun

d su

rfac

e (a

ppro

xim

atel

y 2,

212

ft a

bove

mea

n se

a le

vel)

. T

his

sugg

ests

tha

t th

e ci

ty w

ell

will

be

capa

ble

of m

eetin

g th

e ci

ty

P:\1

009

Rai

nelle

\Rep

orts

\200

7L

ong-

Ter

m A

quif

er 6

-5-0

7\W

GC

_Rep

ort.d

oc6/

5/20

078

wat

er d

eman

ds.

Sim

ilarl

y, th

e es

timat

ed d

raw

dow

ns a

t wel

ls L

W-1

and

BW

-1 (

26-5

5 ft

and

23-

46 f

t re

spec

tivel

y) s

ugge

st t

hat

thos

e w

ells

will

als

o be

cap

able

of

mee

ting

thei

r co

rres

pond

ing

dem

ands

. The

pum

ping

rat

es c

onsi

dere

d un

der

Scen

ario

1 a

re h

ighe

r th

an t

he m

axim

um p

umpi

ng

rate

dur

ing

the

60-d

ay a

quif

er t

est.

Alth

ough

the

aqu

ifer

res

pons

e w

as e

valu

ated

und

er l

ower

pu

mpi

ng c

ondi

tions

, it

is c

omm

on h

ydro

logi

c pr

actic

e to

ext

rapo

late

giv

en t

hat

in m

ost

aqui

fer

syst

ems

the

resp

onse

is p

ropo

rtio

nal t

o th

e st

ress

.

Mod

el R

esul

ts –

Str

eam

flow

Dep

letio

n A

n an

alys

is o

f th

e so

urce

s of

the

pum

ped

wat

er d

urin

g th

e 25

-yea

r si

mul

atio

ns w

as

cond

ucte

d to

det

erm

ine

the

amou

nt o

f w

ater

com

ing

from

red

uced

dis

char

ge to

the

rive

rs a

nd th

eam

ount

com

ing

from

aqu

ifer

sto

rage

dep

letio

n.

The

rel

atio

nshi

ps o

f aq

uife

r st

orag

e de

plet

ion

over

tim

e an

d re

duce

d ri

ver

disc

harg

e ov

er t

ime

wer

e ex

amin

ed f

or t

he c

ases

of

cont

inuo

us

pum

ping

at

1,04

9gpm

, 1,

179

gpm

, se

ason

al p

umpi

ng a

t 1,

139

gpm

/960

gpm

, an

d th

e w

eigh

ted

seas

onal

pum

ping

at 7

07 g

pm/2

80 g

pm.

The

res

ults

of

this

ana

lysi

s ar

e sh

own

in F

igur

es 1

1, 1

2,

13, a

nd 1

4 re

spec

tivel

y.

The

im

pact

fro

m p

umpi

ng t

o st

ream

flow

inc

reas

es w

ith t

ime

to a

tot

al

of a

ppro

xim

atel

y 1.

8 to

2.2

cfs

, for

the

var

ious

cas

es u

nder

Sce

nari

o 1.

The

im

pact

of

pum

ping

to s

trea

mfl

ow f

or S

cena

rio

2 in

crea

ses

with

tim

e to

a to

tal o

f ap

prox

imat

ely

1.0

cfs.

It s

houl

d be

no

ted

that

thi

s im

pact

inc

lude

s a

base

line

rive

r le

akag

e in

duce

d by

pum

ping

at

wel

l C

W-1

. T

he

rela

tions

hip

of a

quif

er s

tora

ge d

eple

tion

over

tim

e an

d re

duce

d ri

ver

disc

harg

e ov

er t

ime

for

CW

-1 i

s ill

ustr

ated

in

Figu

re 1

5.

It i

s es

timat

ed t

hat

the

impa

ct o

f w

ell

CW

-1,

whe

n pu

mpi

ng15

0 gp

m f

or 2

5 ye

ars

appr

oach

es 0

.2 c

fs. T

here

fore

, the

im

pact

to

stre

amfl

ow f

rom

pum

ping

at

wel

ls P

W-1

and

PW

-3 is

app

roxi

mat

ely

1.6

to 2

.0 c

fs f

or S

cena

rio

1 an

d 0.

8 cf

s fo

r Sc

enar

io 2

.

In a

ll ca

ses,

ini

tially

mos

t of

the

pum

ped

wat

er c

omes

fro

m a

quif

er s

tora

ge d

eple

tion;

only

aft

er a

ppro

xim

atel

y 8

to 9

yea

rs o

f pu

mpi

ng d

oes

the

amou

ntof

wat

er c

omin

g fr

om r

educ

ed

rive

r di

scha

rge

equa

l th

e am

ount

com

ing

from

aqu

ifer

sto

rage

dep

letio

n.

How

ever

, w

hen

grou

ndw

ater

is

the

prim

ary

sour

ce o

f w

ater

, an

d th

eref

ore

cons

tant

pum

ping

occ

urs

thro

ugho

ut

the

entir

e 25

-yea

r pe

riod

, th

e am

ount

of

wat

er c

omin

g fr

om r

educ

ed r

iver

dis

char

ge i

s hi

gher

th

an w

hen

wei

ghte

d se

ason

al p

umpi

ng is

con

side

red.

The

res

ults

dem

onst

rate

the

lim

ited

hydr

aulic

con

nect

ion

betw

een

the

allu

vium

and

the

sa

ndst

one

unit.

St

orag

e de

plet

ion

is i

mm

edia

te w

hen

pum

ping

beg

ins

and

rem

ains

sig

nifi

cant

th

roug

hout

the

ent

ire

pum

ping

per

iod.

R

iver

lea

kage

inc

reas

es g

radu

ally

but

it

neve

r eq

uals

the

pu

mpe

d w

ater

vol

ume.

Figu

re 1

6 sh

ows

the

annu

al m

inim

um s

trea

mfl

ow v

alue

for

the

adj

uste

d da

tase

t fo

rM

cRos

s an

d th

e ca

lcul

ated

exp

ecte

d an

nual

min

imum

str

eam

flow

val

ue,

whe

n th

e w

eigh

ted

seas

onal

pum

ping

of

Scen

ario

2 is

con

side

red.

P:\1

009

Rai

nelle

\Rep

orts

\200

7L

ong-

Ter

m A

quif

er 6

-5-0

7\W

GC

_Rep

ort.d

oc6/

5/20

079

Appendix D2

Appendix D2

Sect

ion

3Su

mm

ary

and

Con

clus

ions

The

gro

undw

ater

flo

w m

odel

was

rev

ised

and

rec

alib

rate

d ba

sed

on t

he l

ithol

ogic

log

s fr

om tw

o ne

w m

onito

ring

wel

ls a

nd a

long

-ter

m a

quif

er p

ump

test

. T

hese

new

dat

a ha

ve g

reat

ly

impr

oved

our

und

erst

andi

ng o

f th

e aq

uife

r sy

stem

and

the

mod

ifie

d m

odel

bet

ter

inco

rpor

ates

m

ore

regi

onal

hyd

roge

olog

ic c

ondi

tions

. S

imul

atio

ns o

f lo

ng-t

erm

pum

ping

at

com

bine

d ra

tes

wer

e co

nduc

ted

cons

ider

ing

grou

ndw

ater

as

prim

ary

sour

ce o

f w

ater

(Sc

enar

io 1

) an

d su

rfac

ew

ater

fro

m M

eado

w R

iver

as

prim

ary

sour

ce o

f w

ater

, w

ith s

uppl

emen

tal

with

draw

als

for

grou

ndw

ater

(Sc

enar

io 2

).

Our

an

alys

is

show

s th

at

it is

fe

asib

leto

m

eet

the

seas

onal

w

ater

de

man

d w

ith

grou

ndw

ater

as

the

prim

ary

sour

ce o

f w

ater

(Sc

enar

io 1

) an

d w

ith s

urfa

ce w

ater

as

the

prim

ary

sour

ce o

f w

ater

and

sup

plem

enta

l gro

undw

ater

with

draw

als

duri

ng a

25

year

per

iod

(Sce

nari

o 2)

.In

add

ition

, th

e ci

ty w

ell

will

stil

l be

cap

able

of

mee

ting

the

city

wat

er d

eman

d.

The

ana

lysi

sal

so

show

s th

at

the

impa

ct

of

pum

ping

to

st

ream

flow

at

th

e en

d of

th

e sa

me

peri

od

is

appr

oxim

atel

y 1.

6-2.

0 cf

s fo

r Sc

enar

io 1

and

app

roxi

mat

ely

0.8

cfs

for

Scen

ario

2.

P:\1

009

Rai

nelle

\Rep

orts

\200

7L

ong-

Ter

m A

quif

er 6

-5-0

7\W

GC

_Rep

ort.d

oc6/

5/20

0710

Sect

ion

4R

efer

ence

sD

oher

ty,

J. 2

005.

PE

ST V

ersi

on 9

Use

r's G

uide

. B

risb

ane,

Que

ensl

and,

Aus

tral

ia:

Wat

erm

ark

Num

eric

al C

ompu

ting.

S.S.

Pap

adop

ulos

and

Ass

ocia

tes,

Inc

., 20

05.

Eva

luat

ion

of G

roun

dwat

er P

umpi

ng i

n R

aine

lle,

Wes

t V

irgi

nia.

Pr

epar

ed

for

Poto

mac

-Hud

son

Eng

inee

ring

, B

ethe

sda,

M

aryl

and.

D

ecem

ber

2005

.

Pric

e, P

.H.

1937

. G

ener

al a

nd E

cono

mic

Map

of

Gre

enbr

ier

Cou

nty.

Wes

t V

irgi

nia

Geo

logi

cal

Surv

ey.

Wyr

ick,

G.G

., an

d J.

W.

Boc

hers

. 19

81.

Hyd

rolo

gic

Effe

cts

of S

tres

s-R

elie

f F

ract

urin

g in

an

App

alac

hian

Val

ley.

U.S

. Geo

logi

cal S

urve

y. W

ater

-Sup

ply

Pape

r 21

77.

P:\1

009

Rai

nelle

\Rep

orts

\200

7L

ong-

Ter

m A

quif

er 6

-5-0

7\W

GC

_Rep

ort.d

oc6/

5/20

0711

Appendix D2

Appendix D2

FIG

UR

ES

Figu

re 1

Loc

atio

n M

ap.

Appendix D2

Appendix D2

Figu

re 2

Obs

erve

d ve

rsus

Sim

ulat

ed D

raw

dow

n.

PW

-1

-

5 10 15 20 25 30 35 40

010

1520

2530

3540

4550

5560

6570

75

Tim

e S

ince

Sta

rt o

f T

est

(day

s)

Drawdiwn (days

5

)

mea

sure

d d

raw

do

wn

com

pu

ted

dra

wd

ow

n

PW

-3

-

5 10 15 20 25 30 35 40

05

1015

2025

3035

4045

5055

6065

7075

Tim

eS

ince

Sta

rt o

f T

est

(day

s)

Drawdown (ft)

mea

sure

d d

raw

do

wn

com

pu

ted

dra

wd

ow

n

BW

-1

-

5 10 15 20 25 30 35 40

05

1015

2025

3035

4045

5055

6065

7075

8085

Tim

e S

ince

Sta

rt o

f T

est

(day

s)

Drawdown (ft)

mea

sure

d d

raw

do

wn

com

pu

ted

dra

wd

ow

n

OW

-1

-

5 10 15 20 25 30 35 40

05

1015

2025

3035

4045

5055

6065

7075

8085

Tim

eS

ince

Sta

rt o

f T

est

(day

s)

Drawdown (ft)

mea

sure

d d

raw

do

wn

com

pu

ted

dra

wd

ow

n

CW

-1

-

5 10 15 20 25 30 35 40

010

1520

2530

3540

4550

5560

6570

75

Tim

e S

ince

Sta

rt o

f T

est

(day

s)

Drawdown (days

5

)

mea

sure

d d

raw

do

wn

com

pu

ted

dra

wd

ow

n

OW

-8

-

1 2 3

05

1015

2025

3035

4045

5055

6065

7075

Tim

eS

ince

Sta

rt o

f T

est

(day

s)

Drawdown (ft)

mea

sure

d d

raw

do

wn

com

pu

ted

dra

wd

ow

n

LW-1

-

5 10 15 20 25 30 35 40 45 50

05

1015

2025

3035

4045

5055

6065

7075

Tim

e S

ince

Sta

rt o

f T

est

(day

s)

Drawdown (ft)

mea

sure

d d

raw

do

wn

com

pu

ted

dra

wd

ow

n

OW

-2

-

5 10 15 20 25 30 35 40

05

1015

2025

3035

4045

5055

6065

7075

8085

Tim

e S

ince

Sta

rt o

f T

est

(day

s)

Drawdown (ft)

mea

sure

d d

raw

do

wn

com

pu

ted

dra

wd

ow

n

OW

-9

-

1 2 3 4 5

05

1015

2025

3035

4045

5055

6065

7075

Tim

e S

ince

Sta

rt o

f T

est

(day

s)

Drawdown (ft)

mea

sure

d d

raw

do

wn

com

pu

ted

dra

wd

ow

n

1

10

100

100

0

1000

0 No

v-7

9O

ct-8

0O

ct-8

1O

ct-8

2

Streamflow (cfs) Figu

re 3

Stre

amfl

ow D

ata

for

Mea

dow

Riv

er (

USG

S 03

1898

90, M

cRos

s W

V).

1

10

100

100

0

100

00

1000

00

D-6

4D

-68

D-7

2D

-76

D-8

0D

-84

D-8

8D

-92

D-9

6D

-00

D-0

4D

-08

Streamflow (cfs)

Figu

re 4

Stre

amfl

ow D

ata

for

Mea

dow

Riv

er (

USG

S 03

1904

00, M

t. L

ooko

ut W

V).

Appendix D2

Appendix D2

1966

1968

1970

1972

1974

1976

1978

1980

1982

1984

1986

1988

1990

1992

1994

1996

1998

2000

2002

2004

2006

0%

10%

20%

30%

40%

50%

60%

70%

80%

90%

100%

% G

roun

dwat

erW

inte

r%

Gro

undw

ater

Sum

mer

Figu

re 5

Ann

ual N

umbe

r of

Day

s pe

r Se

ason

for

Gro

undw

ater

Pum

ping

PW

-4

5

55

5

5

5

5

10

10

10

10

10

10

1010

10

10

10

15

15

15

15

1515

115

15

5

20

20

20

2020

20

20

20

25

25

25

25

2525

25

30

30

30

30

30

35

3535

35

40

40

40

40

45

54

50

4000

feet

PW

-1

PW

-3

CW

-1

Lilly

Par

k

LW-1

BW

-1

OW

-8

Figu

re 6

Sim

ulat

ed D

raw

dow

n af

ter

25 y

ears

(Q

=1,

049

gpm

).

Appendix D2

Appendix D2

PW

-4

5

55

5

5

5

10

1010

10

10

10 10

10

10

15

15

15

15

15

15

15

15

1515

15

20

20

20

20

2020

20

20

20

25

25

25

25

25

25

25

25

30

30

30

30

3030

30

35

3535

35

35

40

40

40

40

45

45

45

45

5050

50

55

55

4000

feet

PW

-1

PW

-3

CW

-1

Lilly

Par

k

LW-1

BW

-1

OW

-8

Figu

re 7

Sim

ulat

ed D

raw

dow

n af

ter

25 y

ears

(Q

=1,

179

gpm

).

PW

-4

5

55

5

5

5

5

1

10

0

10

10 1

0

10 10

10

10

10

15

15

15

15

15

1515

15

15

15

20

20

20

20

20

20

20

20

20

25

25

25

25

25

25

25

30

30

30

30

30

35

35

35

35

35

40

40

40

40

40

45

45

45

45

50

50

4000

feet

PW

-1

PW

-3

CW

-1

Lilly

Par

k

LW-1

BW

-1

OW

-8

Figu

re 8

Sim

ulat

ed D

raw

dow

n af

ter

25 y

ears

(

Q=

960

gpm

Win

ter

– 1,

139

gpm

Sum

mer

).

Appendix D2

Appendix D2

Figu

re 9

Sim

ulat

edD

raw

dow

naf

ter

25ye

ars

(Wei

ghte

dQ

=70

7gp

mW

inte

r–

280

gpm

Sum

mer

).

PW

-4

5

55

5

5

5

5

5

5

55

5

5

10

10

10

10

1010

10

10

15

15

15

15

15

20

2020

20

20

2525

25

25

30

4000

feet

PW

-1

PW

-3

CW

-1

Lilly

Par

k

LW-1

BW

-1

OW

-8

CW

-1

-10 -8 -6 -4 -2 0 2 4 6 8 10

-5

1015

2025

3035

40

Tim

e (

day

s)

Normalized WaterLevel (ft)

PW

-1

-10 -8 -6 -4 -2 0 2 4 6 8 10-

510

1520

2530

3540

Tim

e (

day

s)

Normalized WaterLevel (ft.)

BW

-1

-10 -8 -6 -4 -2 0 2 4 6 8 10

05

1015

2025

3035

40

Tim

e (

day

s)

Normalized Water Level(ft.)

LC-1

-10 -8 -6 -4 -2 0 2 4 6 8 10

05

1015

2025

3035

40

Tim

e (

day

s)

Normalized Water Level (ft.)

OW

-1

-10 -8 -6 -4 -2 0 2 4 6 8 10

05

1015

2025

3035

40

Tim

e (

day

s)

Normalized Water Level (ft.)

6

OW

-2

-10 -8 -6 -4 -2 0 2 4 6 8 10

05

1015

2025

3035

40

Tim

e (

day

s)

Normalized Water Level (ft.)

OW

-9

-10 -8 -6 -4 -2 0 2 4 6 8 10

05

1015

2025

3035

40

Tim

e (

day

s)

Normalized Water Level(ft.)

PW

-3

-10 -8 -6 -4 -2 0 2 4 6 8 10

05

1015

2025

30

Tim

e (

day

s)

Normalized Water Level(ft.)

Wat

er le

vel d

ata

norm

aliz

ed to

initi

al w

ater

leve

ls m

easu

red

at e

ach

wel

l.

Figu

re 1

0O

bser

ved

Wat

erL

evel

spr

ior

toA

quif

erT

est.

Appendix D2

Appendix D2

-0.5

1.0

1.5

2.0

2.5

-1,

000

2,00

03,

000

4,00

05,

000

6,00

07,

000

8,00

09,

000

10,0

00

Tim

e (d

ays)

Flow Rate(cfs)

Sto

rage

Riv

er L

eaka

ge

3.0

Figu

re 1

1St

orag

e D

eple

tion

vers

us R

iver

Lea

kage

ove

r a

25 Y

ear

Peri

od

(Q=

1,04

9 gp

m)

-0.5

1.0

1.5

2.0

2.5

3.0

-1,

000

2,00

03,

000

4,00

05,

000

6,00

07,

000

8,00

09,

000

10,0

00

Tim

e (d

ays)

Flow Rate(cfs)

Sto

rage

Riv

er L

eaka

ge

4.0

3.5

Figu

re 1

2St

orag

e D

eple

tion

vers

us R

iver

Lea

kage

ove

r a

25 Y

ear

Peri

od

(Q=

1,17

9 gp

m)

-0.5

1.0

1.5

2.0

2.5

-1,

000

2,00

03,

000

4,00

05,

000

6,00

07,

000

8,00

09,

000

10,0

00

Tim

e (d

ays)

Flow Rate (cfs)

Sto

rage

Riv

er L

eaka

ge

Figu

re 1

3St

orag

e D

eple

tion

vers

us R

iver

Lea

kage

ove

r a

25 Y

ear

Peri

od

(Q=

960

gpm

Win

ter

– 1,

139

gpm

Sum

mer

)

-0.2

0.4

0.6

0.8

1.0

1.2

1.4

1.6

1.8

-1,

000

2,00

03,

000

4,00

05,

000

6,00

07,

000

8,00

09,

000

10,0

00

Tim

e (d

ays)

Flow Rate (cfs)

Sto

rage

Riv

er L

eaka

ge

Figu

re 1

4St

orag

e D

eple

tion

vers

us R

iver

Lea

kage

ove

r a

25 Y

ear

Peri

od

(Wei

ghte

d Q

=70

7 gp

m W

inte

r –

280

gpm

Sum

mer

)

Appendix D2

Appendix D2

-0.05

0.10

0.15

0.20

0.25

0.30

-1,

000

2,00

03,

000

4,00

05,

000

6,00

07,

000

8,00

09,

000

10,0

00

Tim

e (d

ays)

Flow Rate (cfs)

0.35

Sto

rage

Riv

er L

eaka

ge

Figu

re 1

5St

orag

e D

eple

tion

vers

us R

iver

Lea

kage

ove

r a

25 Y

ear

Peri

od,

CW

-1 (

Q=

150

gpm

)

-10.0

20.0

30.0

40.0

50.0

05

1015

2025

3035

4045

Ye

ars

Streamflow (cfs)

Adj

uste

d M

inim

um S

trea

mflo

wM

inim

um S

trea

mflo

w

Figu

re 1

6M

inim

um a

nd A

djus

ted

Min

imum

Str

eam

flow

Val

ues

for

Mea

dow

R

iver

.

Appendix D2

Appendix D2

Log of PW-1 based on geophysical log and video by Ed Custer, Jr

Top Elevation: 2,400.29 ft amsl

Top_Depth Bot_Depth Thickness (ft) Lithologic_Description Comments

0.00 45.00 45.00 Casing or surface matter

45.00 66.00 21.00 Shale, sandy, red, with sandstone

streaks

66.00 71.00 5.00 Shale, red, with interbedded sandstone

71.00 89.00 18.00 Shale, sandy, red, with sandstone

streaks

89.00 90.00 1.00 Sandstone, gray

90.00 91.00 1.00 Shale, sandy, red, with sandstone

streaks

91.00 126.00 35.00 Sandstone, gray

126.00 150.00 24.00 Shale, sandy, red, with sandstone

streaks

Log of PW-3 based on geophysical log and video by Ed Custer, Jr

Top Elevation: 2,388.95 ft amslTop_Depth Bot_Depth Thickness (ft) Lithologic_Description Comments

0.00 52.00 52.00 Casing

52.00 54.30 2.30 Sandstone, gray crossbedded Horizontal fracture at base no H20 or iron staining

54.30 77.00 22.70 Shale, sandy, red and green Annealed 45-75 degree fractures

77.00 87.45 10.45 Sandstone, gray crossbedded

87.45 92.35 4.90 Sandstone, gray crossbedded Horizontal Broken Zones and fractures H20, iron

staining on fractures

92.35 110.00 17.65 Sandstone, gray crossbedded

110.00 111.00 1.00 Conglomerate, gray Pebbles and Cobbles

111.00 114.00 3.00 Sandstone, gray crossbedded Fracture At 113.55 some iron staining

114.00 146.00 32.00 Shale, sandy, red and green

146.00 148.50 2.50 Sandstone, gray with shale streaks Near horizontal Fracture at 147 iron staining

148.50 168.44 19.94 Sandstone, gray crossbedded

Log of PW-4 based on geophysical log and video by Ed Custer, Jr

Top Elevation: 2,446.88 ft amslTop_Depth Bot_Depth Thickness (ft) Lithologic_Description Comments

0.00 39.00 39.00 Casing H20 9.5 Rock reported at 22.5 ft by driller

39.00 43.00 4.00 Sandstone, gray, crossbedded

43.00 46.50 3.50 Sandy Shale

46.50 66.00 19.50 Sandstone, gray, crossbedded

66.00 67.00 1.00 Sandy Shale

67.00 81.75 14.75 Sandstone, gray, crossbedded H20 horizontal bedding fracture 80.5'81.75 92.00 10.25 Sandy Shale, light grey green, ripple

bedded

Horizontal bedding fractures @86, 88.5

92.00 126.00 34.00 Sandy Shale,red & green

126.00 136.00 10.00 Shale,red & green, interbedded

sandstone beds

136.00 139.00 3.00 Sandstone, gray, crossbedded

139.00 212.50 73.50 Sandy Shale,red & green

212.50 215.00 2.50 Sandstone, gray, crossbedded

215.00 226.50 11.50 Sandy Shale,red & green

226.50 234.00 7.50 Shale,red & green, interbedded

sandstone beds

234.00 247.32 13.32 Sandy Shale,red & green

Appendix D3

Appendix D3

Log of OW-1A (Danny McCoy, Rob Ridgeway, Engineering & Testing 2000, Inc.)

Top Elevation: 2,397.51 ft amslTop_Depth Bot_Depth Thickness (ft) Lithologic_Description Comments

0.00 4.50 4.50 CL, Clay, Red Brown, sandstone gravel Moist

4.50 5.00 0.50 CH, Dark gray, medium plastic Moist

5.00 6.50 1.50 CH, Gray, sandy, plastic Moist

6.50 10.00 3.50 CH, Gray, slightly silty,medium plastic Water 9 feet

10.00 11.50 1.50 CH, Gray, trace silt and organics, plastic Wet

11.50 15.00 3.50 CH, Gray, trace silt and organics, plastic Wet

15.00 16.50 1.50 10" SP, Sand, Gray

6" CL, Clay, Gray, sandy

2" SP, Sandy, Gray

Wet

16.50 17.50 1.00 SP, Sand, Gray Wet

17.50 Did not go to auger refusal

Log of OW-1B (Earl Tuckwiller, Tuckwiller Well Drilling)

Top Elevation: 2,397.29 ft amslTop_Depth Bot_Depth Thickness (ft) Lithologic_Description Comments

0.00 2.00 2.00 Fill

2.00 5.00 3.00 Clay/silt

5.00 19.00 14.00 Sand

19.00 30.00 11.00 Shale, Red

30.00 35.00 5.00 Sandstone

35.00 81.00 46.00 Shale, Sandy, Red Water at 81 feet

81.00 96.00 15.00 Sandstone

96.00 98.00 2.00 Shale, Sandy, Red

98.00 100.00 2.00 Sandstone

100.00 104.00 4.00 Shale

104.00 121.00 17.00 Sandstone

121.00 138.00 17.00 Shale, Sandy, Red Water at 138 feet

138.00 148.00 10.00 Sandstone Fractured at 148 feet

148.00 160.00 12.00 Shale, Sandy, Blue

Log of OW-2A (Danny McCoy, Rob Ridgeway, Engineering & Testing 2000, Inc.)

Top Elevation: 2,391.50 ft amslTop_Depth Bot_Depth Thickness (ft) Lithologic_Description Comments

0.00 0.25 0.25 Top Soil

0.25 2.50 2.25 CL, Clay, Red Brown, weathered shale

chips

Moist

2.50 3.50 1.00 CH, Clay, Gray, medium plastic Moist

3.50 5.00 1.50 CH, Clay, Tan, medium plastic Moist

5.00 6.50 1.50 CH, Clay, Gray, plastic Moist

6.50 9.00 2.50 CH, Clay, Gray, plastic Moist

9.00 10.00 1.00 SP, Sand, Gray, clayey Water 9 feet

10.00 11.50 1.50 5" SP, Sand, Gray, medium grained

1.5" SP, Sand, Gray, clayey, orgaincs

11.5" SP, Sand, Gray, clayey

Wet

11.50 15.00 3.50 SP, Sand, Gray, clayey Wet

15.00 16.50 1.50 SP, Sand, Gray, medium to fine

grained, This material probably was

from material that flowed into the

auger

Wet

15.50 Auger Refusal

Appendix D3

Appendix D3

Log of OW-2B (Earl Tuckwiller, Tuckwiller Well Drilling)

Top Elevation: 2,393.19 ft amslTop_Depth Bot_Depth Thickness (ft) Lithologic_Description Comments

0.00 3.00 3.00 Fill

3.00 18.00 15.00 Sand

18.00 32.00 14.00 Shale, Red

32.00 40.00 8.00 Sandstone

40.00 50.00 10.00 Shale, Sandy, Red Water at 50 feet

50.00 71.00 21.00 Sandstone Hard

71.00 87.00 16.00 Shale, Sandy, Red Water at 87 feet

87.00 96.00 9.00 Sandstone

96.00 128.00 32.00 Shale, Sandy, Red Water at 128 feet

128.00 135.00 7.00 Sandstone

135.00 140.00 5.00 Shale, Sandy, Red

140.00 160.00 20.00 Shale, Sandy, Blue

Log of OW-3A (Danny McCoy, Rob Ridgeway, Engineering & Testing 2000, Inc.)

Top Elevation: 2,394.39 ft amslTop_Depth Bot_Depth Thickness (ft) Lithologic_Description Comments

0.00 0.50 0.50 Top Soil, Clay, Dark Brown, with

organics

0.50 5.00 4.50 CL, Clay, Tan, silty Moist

5.00 6.50 1.50 3" SP, Sand, Tan, Moist

2" Clay, Black, Moist

13" SP, Sand, Tan, fine grained, clayey,

Wet6.50 10.00 3.50 SP, Sand, Tan, clayey Wet

10.00 11.50 1.50 5 SP, Sand, Tan, clayey,

13" SP, Sand, Gray, medium-fine

grained

Wet

11.50 12.25 0.75 SP, Sand, Gray Wet

12.25 Auger Refusal

Log of OW-3B (Earl Tuckwiller, Tuckwiller Well Drilling)

Top Elevation: 2,393.66 ft amslTop_Depth Bot_Depth Thickness (ft) Lithologic_Description Comments

0.00 2.00 2.00 Fill

2.00 18.00 16.00 Sand

18.00 20.00 2.00 Clay and Wood

20.00 50.00 30.00 Shale, Sandy, Red Water at 38 feet

50.00 65.00 15.00 Shale, Sandy, Blue

65.00 95.00 30.00 Sandstone, white

95.00 113.00 18.00 Shale, Sandy, Blue

113.00 128.00 15.00 Shale, Sandy, Red

128.00 134.00 6.00 Shale, Sandy, Blue

134.00 138.00 4.00 Shale, Sandy, Red

138.00 160.00 22.00 Shale, Sandy, Blue

Appendix D3

Appendix D3

Log of OW-4A (Danny McCoy, Rob Ridgeway, Engineering & Testing 2000, Inc.)

Top Elevation: 2,402.57 ft amslTop_Depth Bot_Depth Thickness (ft) Lithologic_Description Comments

0.00 0.25 0.25 Top Soil

0.25 1.50 1.25 Fill, CL, Clay, Green Gray, silty Moist

1.50 2.50 1.00 Fill, CL, Clay, Tan, coal chips Hard Augering

2.50 3.50 1.00 Fill, Clay, coal and rock chips

3.50 5.00 1.50 CL, Clay, Black, Fill?

5.00 6.50 1.50 Fill, Clay, silt, wood chips Moist

6.50 7.50 1.00 Fill, Clay, silt, wood chips Moist

7.50 10.00 2.50 CL, Clay, Black, slightly plastic Moist

10.00 11.50 1.50 CH, Clay, Gray, plastic Moist

11.50 13.00 1.50 CH, Clay, Gray, plastic Moist

13.00 15.00 2.00 SP/CH, Sand, Gray, Clayey Wet

15.00 16.50 1.50 SP/CH, Sand, Gray, Clayey Wet

15.00 Did not go to auger refusal

Log of OW-4B (Earl Tuckwiller, Tuckwiller Well Drilling)

Top Elevation: 2,403.17 ft amslTop_Depth Bot_Depth Thickness (ft) Lithologic_Description Comments

0.00 2.00 2.00 Fill

2.00 18.00 16.00 Clay, sandy

18.00 48.00 30.00 Shale, Red

48.00 61.00 13.00 Sandstone Water at 50 feet

61.00 88.00 27.00 Shale, Sandy, Red

88.00 91.00 3.00 Shale, Sandy, Blue

91.00 121.00 30.00 Sandstone Water at 91 and 121 feet

121.00 138.00 17.00 Shale, Sandy, Blue

138.00 148.00 10.00 Shale, Sandy, Red

148.00 160.00 12.00 Shale, Sandy, Blue

Log of OW-5A (Danny McCoy, Rob Ridgeway, Engineering & Testing 2000, Inc.)

Top Elevation: 2,415.29 ft amslTop_Depth Bot_Depth Thickness (ft) Lithologic_Description Comments

0.00 0.50 0.50 Top Soil

0.50 2.00 1.50 Fill, CL, Clay, Black, slightly plastic Moist

2.00 3.50 1.50 CL, Clay, Dark Gray to Tan Moist

3.50 5.00 1.50 CH, Clay, Tan, plastic Moist

5.00 6.50 1.50 5" CH, Clay, Dark Gray, organics,

plastic 10" CH, Clay, Tan, plastic

Moist

6.50 8.00 1.50 CH, Clay, Tan, plastic Moist Water at 8 feet

8.00 10.00 2.00 SP, Sand, Gray, clayey, fine-medium

grained

Wet

10.00 11.50 1.50 2" CH, Clay, Gray, plastic, Wet

6" SP, Sand, Tan, Wet

10" MH, Silt, Gray, very fine sandy,

moist to wet

Wet

11.50 13.00 1.50 MH, Silt, Gray, sandy,

13.00 Did not go to auger refusal

Appendix D3

Appendix D3

Log of OW-5B (Earl Tuckwiller, Tuckwiller Well Drilling)

Top Elevation: 2,413.62 ft amslTop_Depth Bot_Depth Thickness (ft) Lithologic_Description Comments

0.00 2.00 2.00 Fill

2.00 15.00 13.00 Clay, sandy

15.00 28.00 13.00 Shale, Soft

28.00 51.00 23.00 Shale, Red

51.00 54.00 3.00 Shale, Red, Hard

54.00 58.00 4.00 Sandstone, Hard

58.00 71.00 13.00 Shale, Red

71.00 76.00 5.00 Shale, Red, Hard

76.00 85.00 9.00 Shale, Sandy, Red

85.00 91.00 6.00 Sandstone Water 85-91 Feet

91.00 108.00 17.00 Sandstone

108.00 109.00 1.00 Sandstone Water 108-109 feet

109.00 121.00 12.00 Sandstone

121.00 137.00 16.00 Sandstone Water at 137 feet

137.00 144.00 7.00 Shale, Sandy, Blue

144.00 160.00 16.00 Shale, Sandy, Red

Log of OW-6A (Danny McCoy, Rob Ridgeway, Engineering & Testing 2000, Inc.)

Top Elevation: 2,400.83 ft amslTop_Depth Bot_Depth Thickness (ft) Lithologic_Description Comments

0.00 0.25 0.25 Top Soil

0.25 3.50 3.25 Fill, Clay, gravel, pieces of concrete

3.50 5.00 1.50 CL, Clay, Black, sandy, fill? Moist

5.00 6.50 1.50 12" CL, Gray, sandy, fine grained, Wet

6" CH, Clay, Gray, Organics

Wet/Moist

6.50 10.00 3.50 CH, Clay, Gray, plastic Water at 7 feet

10.00 11.50 1.50 8" MH, Silt, tan/brown, clayey, sticky

10" CH, Clay, Tan and Gray, Plastic

Moist/Wet

11.50 15.00 3.50 CH, Clay, Tan and Gray, Plastic Wet, Slow Augering

15.00 16.50 1.50 CH/MH, Clay and Silt, Tan and Gray,

Plastic, Trace of coal and sand

16.50 20.00 3.50 CH, Clay, silty, dark gray, sticky Wet, Slow Augering

20.00 25.00 5.00 CH/MH, Clay, silty, sandy, dark gray,

sticky

Water at 21 feet

25.00 No Auger Refusal

Log of OW-6B (Earl Tuckwiller, Tuckwiller Well Drilling)

Top Elevation: 2,401.34 ft amslTop_Depth Bot_Depth Thickness (ft) Lithologic_Description Comments

0.00 3.00 3.00 Fill

3.00 24.00 21.00 Clay, silty

24.00 70.00 46.00 Shale, Red

70.00 92.00 22.00 Sandstone, Hard, Red Water 92 Feet

92.00 125.00 33.00 Sandstone, Hard, salt and pepper

125.00 135.00 10.00 Shale, Sandy

135.00 160.00 25.00 Shale, Red

Appendix D3

Appendix D3

Log of OW-7A (Danny McCoy, Rob Ridgeway, Engineering & Testing 2000, Inc.)

Top Elevation: 2,403.76 ft amslTop_Depth Bot_Depth Thickness (ft) Lithologic_Description Comments

0.00 9.00 9.00 Clay, Tan/Dark Brown Moist

9.00 12.00 3.00 SP - Sand, gray, medium grained, Wet Water at 9 feet

12.00 Auger Refusal Water at 2.5 feet after drilling

Log of OW-8 (Earl Tuckwiller, Tuckwiller Well Drilling)

Top Elevation: 2,410.75 ft amslTop_Depth Bot_Depth Thickness (ft) Lithologic_Description Comments

0.00 40.00 40.00 Overburden

40.00 60.00 20.00 Blue sand shale (little water

encountered at 51 feet)

60.00 98.00 38.00 White sand rock (water encountered at

89 feet)

98.00 100.00 2.00 Blue and black rock with sulphur odor

100.00 120.00 20.00 White sandstone

120.00 147.00 27.00 Blue and white sand stone

147.00 200.00 53.00 Red shale

Log of OW-9 (Earl Tuckwiller, Tuckwiller Well Drilling)

Top Elevation: 2,413.38 ft amslTop_Depth Bot_Depth Thickness (ft) Lithologic_Description Comments

0.00 14.00 14.00 Overburden

14.00 34.00 20.00 Red shale

34.00 60.00 26.00 Reddish-blue shale

60.00 80.00 20.00 Blue Shale Little water at 60 ft.

80.00 99.00 19.00 Blue sandy shale

99.00 100.00 1.00 Red shale

100.00 120.00 20.00 Blue shale with little red shale 15 gpm of water at 110 ft.

120.00 125.00 5.00 Blue shale

125.00 140.00 15.00 Red shale More water encountered at 135 ft.

140.00 160.00 20.00 Red Shale

Appendix D3

Appendix D3