b a b w ater qu l iy c sf on - ct eco...

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! n ! n ! n ! n ! n ! n ! n ! n B B A B B AA A B A Oneco Moosup Quebec Wauregan Almyville Danielson East Brooklyn West Wauregan Central Village South Killingly Wauregan Station Spy Rock Pine Hill Webb Hill Half Hill Bare Hill Allen Hill Squaw Rock Ekonk Hill Stone Hill Gibson Hill Withey Hill Hell Hollow Hopkins Hill Shepherd Hill Sterling Hill B A B A A B A A B B A B B B B B A A A B A B B A B B A B A A Fry Brook Ross Pond Rice Pond Aqua Pond Wood River Wood Brook Pine Brook Mill Brook Long Brook Fall Brook Oneco Pond Evans Pond Tyler Brook Titus Brook Sugar Brook Shoor Brook Noone Brook James Brook Horse Brook Havey Brook Halls Brook Ekonk Brook Dixon Brook Davis Brook Rogers Lake Porter Pond Packer Pond Moosup Pond Hazard Pond Dawley Pond Bailey Pond Cedar Swamp Cedar Swamp Wilcox Brook Vaughn Brook Rounds Brook Palmer Brook Norton Brook Moosup River Moosup River Miller Brook Carson Brook Browns Brook Angell Brook Wollows Pond Stanton Pond Schaper Pond Furnace Pond Douglas Pond Atwood Lakes Tennant Brook Lathrop Brook Kennedy Brook Crooked Brook Sterling Pond Eversons Pond Creamery Pond Quanduck Brook Quandock Brook Phillips Brook Creamery Brook Anderson Brook Tetreault Pond Quinebaug Pond Reservoir Brook Rainville Brook Quinebaug River Quinebaug River Quinebaug Brook Half Hill Brook Litkes Pond No 3 Litkes Pond No 2 Litkes Pond No 1 Hell Hollow Pond Tillinghast Brook Lake Street Brook Cold Spring Brook Cedar Swamp Brook Snake Meadow Pond South Porter Brook Snake Meadow Brook Snake Meadow Brook Lockes Meadow Pond Sterling Hill Brook Stone Hill Reservoir Lester Williams Pond Apple Tree Meadow Brook Voluntown Rearing Pools Great Meadow Brook Pond East Branch Crooked Brook Ross Management Area Pond Sawmill Hill Road Pond No 2 Sawmill Hill Road Pond No 1 Moosup Elementary Brooklyn Middle School Plainfield High School Shepard Hill Elementary Sterling Community School Plainfield Central School Plainfield Memorial School Brooklyn Elementary School I 395 State Hwy 12 Norwich Rd State Hwy 14A Route 49 Plainfield Pike Governor John Davis Lodge Tpke Ekonk Hill Rd State Hwy 49 Sterling Rd State Hwy 14 Gibson Hill Rd US Hwy 6 Green Hollow Rd Route 14 Allen Hill Rd Route 14A Main St Wauregan Rd Putnam Rd Brown Rd Snake Meadow Rd Porter Town Rd Porter Pond Rd Providence Rd Bailey Rd Squaw Rock Rd New Rd Providence Pike State Hwy 205 Jewett City Rd Roode Rd Stone Hill Rd Dow Rd Margaret Henry Rd River Rd Lathrop Rd Newport Rd Pine Hill Rd Ross Rd Black Hill Rd Trail 1 Rd Hell Hollow Rd Gendron Rd Locke Rd Sterling Hill Rd Valley View Rd Pickett Rd Moosup Pond Rd Rhode Rd Snake Meadow Hill Rd Spaulding Rd Saw Mill Hill Rd Lake St Kate Downing Rd Flat Rock Rd Harris Rd Dixon Rd Davis Rd Bishop Crossing Rd Pachaug State Frst Tarbox Rd Gorman Rd South St Weston Rd Starkweather Rd Wescott Rd Downing Rd Packerville Rd Westcott Rd Wright Rd Church St Franklin St Danielson Rd High St Congdon Rd Canterbury Rd Christian Hill Rd Calvin French Rd Lester Rd Bradford Hill Rd Goshen Rd Sawmill Hill Rd Wavregan Rd Shepard Hill Rd Brickhouse Rd Roper Rd Danielson Pike Route 201 Cedar Swamp Rd Cemetery Rd CH St NO 1 Plainfield Rd Hopeville Rd Cook Hill Rd Miller Rd Marie St Ennis Rd Bailey Hill Rd Fortin Dr Pickett Road NO 1 All Hallows Rd Glasgo Rd Ward Ave Halls Hill Rd Breakneck Hill Rd Mill Brook Rd State Rd Beecher Rd Prospect St Bailey Woods Rd Taos Dr Griffiths Rd Jenks Rd Lovers Ln State Hwy 201 Laiho Rd Woodland Rd Daggett St Church St NO 1 Prince Hill Rd Gardner Rd PD Hill Rd Dark Lantern Rd Cranberry Bog Rd Day St Trail 2 Rd Geer Rd Jencks Rd Colbridge Rd Lori Dr Terwilleger Rd Frontage Rd Viall Rd Broad St Pratt Rd Walnut St Taylor Rd Tillinghast Rd Jackson Rd Pomfret Rd Sachem Dr Vina Ln 4WD Road Olearos Hill Rd Pond Hill Rd R St NO 1 Banjo Sullivan Rd Horse Hill Road NO 1 Lillibridge Rd 1st St Taft St Bailey Pond Rd Gallup Homestead Rd Sugar Brook Rd Collelo Ave Bailey Road NO 2 Hope St Bunny Ln Demers Rd Arnio Dr Cady Ln Toper Rd Adams Dr Hyde Rd Gibson Ln Creamery Brook Rd State Line Road NO 1 Hope Rd Westview Dr Lawrence Rd Charlotte Dr River St NO 1 Maynard Rd River St Proulx St Brenn Rd Plainfield St Texas Hts Pine Hill Road NO 2 Bedard Rd Unity St Dyer St Gallup St Tiffany St Easy St Chiou Dr Davis St Logans Way Old Cranston Rd Exley Rd Robin Rd Hubbard Hill Rd 5th St CH St NO 2 Rest Area Oak St Stanley Dr David Ave Center Pkwy Lhomme St Bailey St Chestnut St Water St South Main St Walas Rd Smith Rd Exeter Dr Milner Ave Klocek Rd Juniper Ln Evergreen St NO 1 Cady St Rukstella Rd Lee Rd Erin Dr Williams Rd Brickyard Rd Winthrop Dr Huntington Dr Ventura Dr Belair Dr Quinebaug Dr RSVR Hill Rd King St American Schoolhouse Rd Ruth Dr Bow Ln Dubay Dr Pheasant Ln Salmon Dr Deerfield Dr Fry Hl Steven St Kivela Rd Pine St Waterman St Town Farm Rd Lester Dr West Pkwy Welsh St Arrowhead Dr 1st St NO 2 Pond St Henry Rd Karin Dr Salisbury Ave Fountain St Totem Ln Louis Ln Old Putnam Road Ext Oakwood Dr Diane Dr Union St Colleen St Red Oak Dr Pike Ln Maple St Park St Dark Lantern Hill Rd CH St NO 3 Kinney Hill Rd Franklin Dr Victoria Dr Park Ave Furnace St Winding Rd Suzie Ave Shepard Hill Road NO 2 James St Lhomme Street Ext Mason St Plainview Dr Barber Rd Forest St Cottage St Community Ave Uncas Dr Railroad Ave Katlin Ln East Pkwy Seagrave St Potts Rd Legacy Dr Old Plainfield Rd Sunset Dr Cote Dr Anderson Rd Basley Rd Cranska Rd High Meadow Dr Sunset Ter Mary Ave Nipmuc Trl Academy Hill Rd Babcock Ave Mortimer Rd Grove St Edwardsen St Hubbard Rd North St School St Foster St Tatro Rd Liepis Rd Kent St Jared Hall Hill Rd Nicholas Rd Brunswick Ave Sterling Ridge Ln 8th St Brookstone Dr Plaza St Depot Rd Road A Ann St Old Norwich Rd Ernest Way Tyler Ter Rustic Way Mill St Junior Ave Suzanne Ln Kies Rd Barber Hill Rd Beechwood Blvd Dawn Ln Rusktella Road NO 2 Bob White Way State Forrest Rd Aldrich Ave Green St Cottonwood Dr Fernwood St Judy Dr Fall Brook Rd Philmar Dr Palmer Ln Hartshorn St Shawnee Dr Vezina Dr Academy St Oak Dr Robertson Ave Hanson Rd Beatrice Ave Collins Ln Perkins St Talbot Ave Malbone Ln Laperle Ave Babcock Rd Bennett St Sylvia Dr Hemlock Dr Colonial Rd Dorrance St Oakridge Dr Kathleen Dr Bazinet Ln Sumola Rd Sara Ln Pequot Trl Spring St Excalibur Blvd Blueberry Ln Wagon Rd Eino Dr Patti Ln Irene St Bloom Dr Deibler Ln Major Dr Bell Ave PD View Rd Squaw Rock Road Ext Terrace Dr Ashley St Garrick St Stanmark Dr Pleasant St Lowes Way Old Greenwich Rd Williams Avenue NO 1 Lucienne Ave Florence St Common Way Jim Brown Rd Bog Ln Whip Poor Will Dr Westview Ter Mowry Hl Robert St Kennedy Dr Carey Ave Main St Frontage Rd Marie St Sterling Rd Governor John Davis Lodge Tpke Pratt Rd Church St Main St I 395 Main St Calvin French Rd Roode Rd Sunset Ter Erin Dr 5th St Pine St Pratt Rd Providence Rd Red Oak Dr Wauregan Rd School St Wauregan Rd Rukstella Rd Brown Rd Grove St Exit 89 Exit 92 Exit 87 Exit 90 Exit 91W Exit 88 Exit 91 Exit 86 Exit 91E Exit 89 Exit 86 Exit 88 § ¨ ¦ 395 £ ¤ 6 S V 49 S V 14A S V 12 S V 14 S V 205 S V 201 6 4 3 5 7 1 2 2 8 8 Sterling Sterling 1 0 1 0.5 Miles 1 0 1 0.5 Kilometers 1000 0 1000 2000 3000 4000 5000 6000 7000 Feet ADOPTED DATES State Plane Coordinate System of 1983, Zone 3526 Lambert Conformal Conic Projection North American Datum of 1983 £ Final Aquifer Protection Area (Level A) Major Basin Boundary NOTES: GA (white background) GAA, GAAs GA, GAA may not meet current standards GB GC Area of Contribution to Public Supply Well A AA B, B* SA SB A AA B, B* SA SB

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Page 1: B A B W ATER QU L IY C SF ON - CT ECO Homecteco.uconn.edu/maps/town/wtrqualcl/WtrQualCl_Sterling.pdfV O L U N T O W N G R I S W O L D C A N T E R B U R Y ... v e r n o r J o h n D

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P LA IN FIELDS T E R LIN G

K ILLIN G LY

B R O O K LY N

V O LU N T O W NG R IS W O LD

CA N T E R B U R Y

B

B

A

B

B

AA

A

B

A

Oneco

Moosup

Quebec

Wauregan

Almyville

Danielson

East Brooklyn

West Wauregan

Central Village

South Killingly

Wauregan Station

Spy Rock

Pine Hill

Webb Hill

Half Hill

Bare Hill

Allen Hill

Squaw Rock

Ekonk Hill

Stone Hill

Gibson Hill

Withey Hill

Hell Hollow

Hopkins Hill

Shepherd Hill

Sterling Hill

B

A

B

A

A

B

A

A

B

B

AB

B

B

B

B

A

A

A

B

A B

B

A

B

B

A

B

A

A

Fry Brook

Ross Pond

Rice Pond

Aqua Pond

Wood River

Wood Brook

Pine Brook

Mill Brook

Long Brook

Fall Brook

Oneco Pond

Evans Pond

Tyler Brook

Titus Brook

Sugar Brook

Shoor Brook

Noone Brook

James Brook

Horse Brook

Havey Brook

Halls Brook

Ekonk Brook

Dixon Brook

Davis Brook

Rogers Lake

Porter Pond

Packer Pond

Moosup Pond

Hazard Pond

Dawley Pond

Bailey Pond

Cedar Swamp

Cedar Swamp

Wilcox Brook

Vaughn Brook

Rounds Brook

Palmer Brook

Norton Brook

Moosup River

Moosup River

Miller Brook

Carson Brook

Browns Brook

Angell Brook

Wollows Pond

Stanton Pond

Schaper Pond

Furnace Pond

Douglas Pond

Atwood Lakes

Tennant Brook

Lathrop Brook

Kennedy Brook

Crooked BrookSterling Pond

Eversons Pond

Creamery Pond

Quanduck Brook

Quandock Brook

Phillips Brook

Creamery Brook

Anderson Brook

Tetreault Pond

Quinebaug Pond

Reservoir Brook

Rainville Brook

Quinebaug River

Quinebaug River

Quinebaug Brook

Half Hill Brook

Litkes Pond No 3

Litkes Pond No 2Litkes Pond No 1

Hell Hollow Pond

Tillinghast Brook

Lake Street Brook

Cold Spring Brook

Cedar Swamp Brook

Snake Meadow Pond

South Porter Brook

Snake Meadow Brook

Snake Meadow Brook

Lockes Meadow Pond

Sterling Hill Brook

Stone Hill Reservoir

Lester Williams Pond

Apple Tree Meadow Brook

Voluntown Rearing Pools

Great Meadow Brook Pond

East Branch Crooked Brook

Ross Management Area Pond

Sawmill Hill Road Pond No 2

Sawmill Hill Road Pond No 1

Moosup Elementary

Brooklyn Middle School

Plainfield High School

Shepard Hill Elementary

Sterling Community School

Plainfield Central SchoolPlainfield Memorial School

Brooklyn Elementary School

I 395

State H

wy 12

Norwich Rd

State Hwy 14A

Route 49 Plainfield Pike

Governo

r John

Davis L

odge T

pke

Ekon

k Hill R

d

State Hwy 49

Sterling RdState Hwy 14

Gibson Hill Rd

US Hwy 6

Gree

n Holl

ow R

d

Route 14

Allen

Hill R

d

Route 14A

Main St

Wauregan Rd

Putna

m Rd

Brown

Rd

Snake

Meadow

Rd

Porter Town RdPorter Pond Rd

Providence Rd

Bailey Rd

Squaw

Rock Rd

New Rd

Providence Pike

State Hwy 205

Jewett City R

d

Roode Rd

Stone Hill Rd

Dow Rd

Margaret Henry Rd

River Rd

Lathrop Rd

Newport RdPine H

ill Rd

Ross

Rd

Black Hill Rd

Trail 1 Rd

Hell Hollow Rd

Gendron Rd

Locke Rd

Sterling Hill Rd

Valle

y View

Rd

Pickett Rd

Moosup Pond Rd

Rhode Rd

Snake Meadow Hill Rd

Spaulding Rd

Saw Mill Hill Rd

Lake

St

Kate Downing RdFlat Rock Rd

Harris Rd

Dixon

Rd

Davis Rd

Bisho

p Cros

sing R

d

Pachaug State Frst

Tarbox Rd

Gorm

an Rd

South St

Westo

n Rd

Starkw

eathe

r Rd

Wescott Rd

Downing Rd

Packerville Rd

Westcott Rd

Wright Rd

Church St

Franklin St

Daniels

on Rd

High St

Congdon Rd

Canterbury Rd

Christian Hill Rd

Calvin French Rd

Lester Rd

Bradford Hill Rd

Gosh

en Rd

Sawmill Hill Rd

Wavregan Rd

Shep

ard H

ill Rd

Brickhouse Rd

Roper Rd

Danielson Pike

Route 201

Cedar Swamp Rd

Cemetery Rd

CH St

NO

1

Plainfield Rd

Hopeville Rd

Cook

Hill

Rd

Miller Rd

Marie

St

Ennis Rd

Bailey Hill Rd

Fortin

Dr

Pickett Road NO 1

All Hallows Rd

Glasgo Rd

Ward Ave

Halls Hill Rd

Break

neck

Hill R

d

Mill Brook Rd

State Rd

Beecher Rd

Prospect St

Bailey

Woo

ds Rd

Taos Dr

Griffi

ths R

d

Jenk

s Rd

Love

rs Ln

State Hwy 201

Laiho Rd

Wood

land R

d

Dagge

tt St

Church St NO 1

Prince Hill Rd

Gardner Rd

PD Hill Rd

Dark Lantern Rd

Cranberry Bog RdDay St

Trail 2

Rd

Geer Rd

Jenc

ks R

d

Colbridge Rd

Lori Dr

Terwilleger Rd

Frontage Rd

Viall R

d

Broad St

Pratt R

d

Walnut St

Taylor Rd

Tillinghast Rd

Jackson Rd

Pomfret Rd

Sach

em D

r

Vina Ln

4WD Road

Olearos Hill Rd

Pond

Hill R

d

R St NO 1

Banjo Sullivan Rd

Horse Hill Road NO 1

Lillibridge Rd

1st S

t

Taft St

Bailey Pond Rd

Gallup Homestead Rd

Sugar Brook Rd

Collelo Ave

Baile

y Roa

d NO

2

Hope

St

Bunny Ln

Demers Rd

Arnio Dr

Cady Ln

Toper Rd

Adams D

r

Hyde Rd

Gibson Ln

Creamery Brook Rd

State Line Road NO 1 Ho

pe Rd

Westview Dr

Lawrence Rd

Charlotte Dr

River

St NO

1

Maynard Rd

River St

Prou

lx St

Brenn Rd

Plainfield St

Texas Hts

Pine H

ill Ro

ad N

O 2

Bedard Rd

Unity

St

Dyer St

Gallup St

Tiffan

y St

Easy

St

Chiou

Dr

Davis St

Logans Way

Old Cranston Rd

Exley Rd

Robin Rd

Hubbard Hill Rd

5th St

CH St NO 2

Rest

Area

Oak St

Stanle

y Dr

David Ave

Center Pkwy

Lhomme St

Baile

y St

Chestnut St

Water St

South Main St

Walas R

d

Smith

Rd

Exeter Dr

Milner Ave

Klocek Rd

Junipe

r Ln

Evergreen St NO 1

Cady St

Rukstella Rd

Lee Rd

Erin Dr

Williams Rd

Brickyard Rd

Winthrop

Dr

Huntington Dr

Ventura Dr

Belair

Dr

Quinebaug Dr

RSVR Hill Rd

King St

American Schoolhouse Rd

Ruth

Dr

Bow Ln

Duba

y Dr

Pheasant Ln

Salmon

Dr

Deerfield Dr

Fry Hl

Steven St

Kivela

Rd

Pine S

t

Waterman St

Town

Farm

Rd

Lester

Dr

West Pkwy

Welsh St

Arrowhead Dr

1st St NO 2

Pond St

Henry Rd

Karin Dr

Salisbury Ave

Fountain St

Totem Ln

Louis

Ln

Old Putnam Road Ext

Oakwood Dr

Diane

Dr

Union St

Colleen St

Red Oak Dr

Pike Ln

Maple St

Park St

Dark Lantern Hill Rd

CH St NO 3

Kinne

y Hill R

d

Franklin Dr

Victoria Dr

Park Ave

Furnace St

Winding Rd

Suzie

Ave

Shepard Hill Road NO 2

James St

Lhomme Street Ext

Mason St

Plainview

Dr

Barber Rd

Forest St

Cottage St

Comm

unity

Ave

Uncas Dr

Railroad AveKatlin Ln

East

Pkwy

Seagrave St

Potts Rd

Legacy Dr

Old Plainfield Rd

Sunset Dr

Cote Dr

Anderson Rd

Basle

y Rd

Cranska Rd

High Meadow Dr

Sunset Ter

Mary

Ave

Nipmuc Trl

Academy Hill Rd

Babcock Ave

Mortimer Rd

Grove St

Edwardsen St

Hubbard Rd

North

St

School St

Foster St

Tatro

Rd

Liepis Rd

Kent

St

Jared Hall Hill Rd

Nicholas Rd

Brunswick Ave

Sterling Ridge Ln

8th St

Brookstone Dr

Plaza St

Depot Rd

Road A

Ann St

Old Norwich Rd

Ernest Way

Tyler Ter

Rustic Way

Mill St

Junior Ave

Suzanne Ln

Kies R

d

Barber Hill Rd

Beechwood Blvd

Dawn Ln

Rusk

tella

Road

NO

2

Bob White Way

State Forrest Rd

Aldric

h Ave

Green St

Cottonwood DrFernwood St

Judy Dr

Fall Brook Rd

Philmar Dr

Palmer Ln

Hartshorn StShawnee Dr

Vezina Dr

Academy St

Oak D

r

Robertson Ave

Hanson Rd

Beatrice Ave

Collins Ln

Perkins St

Talbo

t Ave

Malbone Ln

Laperle Ave

Babc

ock R

d

Bennett St

Sylvia Dr

Hemlock Dr

Colonia

l Rd

Dorrance St

Oakri

dge D

r Kathleen Dr

Bazin

et Ln

Sumola Rd

Sara Ln

Pequot Trl

Spring

St

Exca

libur

Blvd

Blueberry Ln

Wagon Rd

Eino Dr

Patti Ln

Irene St

Bloom

Dr

Deibler Ln

Major

Dr

Bell Ave

PD Vi

ew R

d

Squaw Rock Road Ext

Terrace Dr

Ashley St

Garrick St

Stanmark Dr

Pleasant St

Lowes Way

Old Greenwich Rd

Williams Avenue NO 1

Lucienne Ave

Floren

ce St

Common Way

Jim Br

own R

d

Bog Ln

Whip

Poor

Will D

r

Westview Ter

Mowry Hl

Robe

rt St

Kenn

edy D

r

Carey Ave

Main St

Frontage Rd

Marie St

Sterling Rd

Governor John Davis Lodge Tpke

Pratt Rd

Churc

h St

Main St

I 395

Main St

Calvin French Rd

Roode Rd

Sunset Ter

Erin Dr

5th St

Pine St

Pratt Rd

Providence Rd

Red Oak D

r

Wauregan Rd

School St

Wauregan Rd

Rukstella Rd

Brown Rd

Grove St

Exit 89

Exit 92

Exit 87

Exit 90

Exit 91W

Exit 88

Exit 91

Exit 86

Exit 91E

Exit 89

Exit 86

Exit 88

§̈¦395

£¤6

SV49

SV14A

SV12

SV14

SV205

SV201

6 4 3

57

122

88

MAP LOCATION

SterlingSterling

W ATER Q UALITY CLAS S IFICATIONSS TER LING, CT

SCALE 1:24,000 (1 inch = 2000 feet) when map is printed at original size

1 0 10.5 Miles

1 0 10.5 Kilometers

1000 0 1000 2000 3000 4000 5000 6000 7000 Feet

ADOPTED DATES

W ater Q uality S tandardsFebruary 25, 2011

Thames R iver, Pawcatuck R iver and Southeast CoastalBasins: December 1986

Connecticut R iver and South Central Coastal Basins:February 1993

Housatonic R iver, Hudson R iver and Southw est CoastalBasins: March 1999

S TATE OF CONNECTICUTDEPAR TMENT OFENER GY & ENV IR ONMENTAL PR OTECTION79 Elm S treetHartford, CT 06106-5127

State Plane Coordinate System of 1983, Zone 3526Lambert Conformal Conic Projection

North American Datum of 1983

MAJOR BASINS1 Paw catuck2 Southeast Coast3 Thames4 Connecticut5 South Central Coast6 Housatonic7 Southw est Coast8 Hudson

£

S UR FACE W ATER Q UALITY CLAS S ES

Final Aquifer Protection Area (Level A)Major Basin Boundary

GR OUND W ATER Q UALITY CLAS SES

NOTES:S urface W ater Classifications beginning w ith S refer to Coastal and Marine S urface W ater.B* is a subset of Class B where no direct w astew ater discharges are allow ed other than thoseconsistent with Class AA, A and SA surface w aters.

GA (white background)GAA, GAAsGA, GAA may not meet current standardsGBGC

Area of Contribution to Public Supply Well

AAAB, B*SASB

AAAB, B*SASB

EX PLANATIONW ATER Q UALITY CLAS S IFICATIONS (W Q C) MAPS are oneof the elements of the W ater Q uality S tandards (W Q S ) for theS tate of Connecticut. The W Q S are a part of Connecticut's cleanw ater program and are essential for protecting and improving waterquality. The W Q S follow the principles of Connecticut's CleanW ater Act which is in Chapter 446K of the Connecticut GeneralS tatutes. The W Q S provide policy guidance in many areas, forexample decisions on acceptable discharges to water resources,siting of landfills, remediation or prioritization of municipalsew erage system projects. The first two elements of the W Q S arethe S tandards, which set an overall policy for management of waterquality, and the Criteria, which are descriptive and numericalstandards that describe the allowable parameters and goals forvarious water quality classifications. A discussion of these twoelements is found in the W ater Q uality S tandards documentavailable on the CT DEEP website. The third element is theClassifications and the W ater Q uality Classification Maps whichshow the Classification assigned to each surface and groundw aterresource throughout the S tate. The W Q S are adopted using a publicparticipation process. The W Q C maps are also adopted using apublic participation process but go through hearings separatelyfrom the S tandards and Criteria hearings. R evision and adoption ofthe W Q C data occurs in accordance with the public participationprocedures contained in S ection 22a-426 of the ConnecticutGeneral S tatutes. Ground W Q C is subject to Connecticutregulation and changes must be review ed and adopted. All changesto the S urface W Q C require an adoption process which is subjectto federal review and approval in addition to CT regulation. Theadoption dates for the W Q C by major drainage basin are:Housatonic R iver, Hudson R iver and Southw est Coastal Basins -March 1999; Connecticut R iver and South Central Coastal Basins -February 1993; Thames R iver, Pawcatuck R iver and SoutheastCoastal Basins - December 1986. S urface W ater Classifications donot change after the adoption date until the next major revision.Ground W ater Classifications may change after the adoption dateunder specific circumstances. The map may have more than oneW Q C adoption date because a town may be in more than onemajor drainage basin.SUR FACE W ATER S in Connecticut are divided into freshw aterclassified as AA, A, B or B* and saline waters classified as SA orSB. Class AA designated uses are existing or proposed drink ingw ater supplies; habitat for fish and other aquatic life and wildlife;recreation; and water supply for industry and agriculture. Class Adesignated uses are habitat for fish and other aquatic life andw ildlife; potential drink ing water supplies; recreation; navigation;and water supply for industry and agriculture. Class SA designateduses are habitat for marine fish, other aquatic life and wildlife;shellfish harvesting for direct human consumption; recreation;industrial water supply; and navigation. Class B designated usesare habitat for fish and aquatic life and wildlife; recreation;navigation; and industrial and agricultural water supply. Class B*,applicable to Candlewood Lak e, is a subset of Class B and isidentical in all ways to the designated uses, criteria and standardsfor Class B waters except for the restriction on direct discharges.Class SB designated uses are habitat for marine fish and aquaticlife and wildlife; commercial shellfish harvesting; recreation;industrial water supply; and navigation.

S urface waters which are not specifically classified shall beconsidered as Class A or Class AA. S urface waters in GA groundw ater areas are assumed Class A or Class SA unless otherwiseindicated. S urface waters in GAA ground water areas are assumedClass AA unless otherwise indicated.On the W Q C map a surface water quality goal of A is representedby blue colored water bodies. S urface water quality goal of AA isrepresented by purple colored water bodies. S urface water qualitygoal of B is represented by gold colored water bodies.GR OUND W ATER S in Connecticut are classified as GAA, GA,GB and GC. Class GAA designated uses are existing or potentialpublic supply of w ater suitable for drink ing without treatment andbaseflow for hydraulically-connected surface water bodies. TheClass GAAs is a subclass of GAA for ground water that is tributaryto a public water supply reservoir. The area of contribution to apublic water supply well is represented by a 500-foot radius aroundthe well and is assumed to be Class GAA unless otherwiseclassified. Class GA designated uses are existing private andpotential public or private supplies of water suitable for drink ingw ithout treatment and baseflow for hydraulically-connectedsurface water bodies. All ground waters not specifically classifiedare considered as Class GA. Class GB designated uses areindustrial process water and cooling waters and baseflow forhydraulically-connected water bodies and is presumed not suitablefor human consumption without treatment. Class GC designateduses are assimilation of discharges authorized by theCommissioner pursuant to S ection 22a-430 of the General S tatutes.On the W Q C map GA is represented by white colored land areas.Class GAA and class GAAs are represented by blue colored landareas. The area of contribution to a public water supply well isshown by a blue cross-hatch overprint. A notation of GAAfollowed by a state abbreviation indicates a watershed thatcontributes to the public water supply for a state other thanConnecticut. Class GA or Class GAA areas that currently may notbe meeting the GA or GAA standards are represented on the W Q Cmaps by tan colored land areas. Class GB is represented by greencolored land areas. Class GC is represented by magenta coloredland areas.FINAL AQ UIFER PR OTECTION AR EAS (Level A) are includedon the W Q C maps for informational purposes. These areas areanticipated to be reclassified GAA during the next major basinupdates, subject to public participation. The Aquifer ProtectionProgram helps protect Connecticut’s public drink ing waterresources by delineating aquifer protection areas (also calledw ellhead protection areas) for public supply wells and establishingland use regulations within these areas. These areas represent theland area contributing ground water to active public water supplywells or well fields that serve more than 1000 people and are set insand and gravel aquifers (stratified drift deposits).

DATA SOUR CESW ATER Q UALITY CLAS S IFICATIONS DATA – W ater qualityclassifications shown on this map are based on information fromthe following digital spatial datasets that are typically showntogether – Ground W ater Q uality Classifications Poly, S urfaceW ater Q uality Classifications Line, and S urface W ater Q ualityClassifications Poly. The map legend above reflects the content ofthese three data sources. These W Q C data were initially compiledon 1:24,000-scale 7.5 minute USGS topographic quadrangle mapsand later digitized at 1:24,000 scale. For example, the S urfaceW ater Q uality Classifications Line and S urface W ater Q ualityClassifications Poly digital data assigns surface water qualityclassifications to water bodies such as rivers, streams, reservoirs,lak es, ponds and coves found in 1:24,000-scale hydrography dataavailable from CT DEEP. The hydrography may not include all thew aterbodies in Connecticut. The Ground W ater Q ualityClassifications Poly data assigns ground water qualityclassifications, at 1:24,000 scale, to the remaining land areas inConnecticut.AQ UIFER PR OTECTION AR EA DATA – Aquifer ProtectionAreas shown on this map are from the Aquifer Protection Areadigital dataset which contains polygon data intended to be used at1:24,000 scale. The dataset contains regulated areas classified asLevel A Aquifer Protection Area (Final) and Level B AquiferProtection Area (Preliminary). The Level B areas are not shown onthe W Q C maps. The data was collected from 1991 to the presentand is actively updated as Final area mapping replaces earlierPreliminary areas. The Aquifer Protection Areas are delineated by

the individual water companies owning the well fields andsubmitted to the CT DEEP for approval. Preliminary mappingprovides a general estimate of the area contributing ground waterto the well field. Final mapping is based on extensive, site-specific,detailed modeling of the ground water flow system. CT DEEP mayadjust Final area boundaries to be consistent with 1:24,000 scaletopography and base map data where appropriate during theapproval process.MAJOR DR AINAGE BASIN DATA – Major drainage basinsshown on this map are from Major Basin Line data developed byCT DEEP and intended to be used at 1:24,000 scale.BASE MAP DATA - Based on data originally from 1:24,000-scaleUSGS 7.5 minute topographic quadrangle maps published betw een1969 and 1992. It includes political boundaries, railroads, airports,hydrography, geographic names and geographic places. S treets andstreet names are from Tele Atlas® copyrighted data. Base mapinformation is neither current nor complete.R ELATED INFOR MATIONThis map is intended to be printed at its original dimensions inorder to maintain the 1:24,000 scale (1 inch = 2000 feet).W ATER Q UALITY S TANDAR DS - Go to the CT DEEP websitefor a summary and the full text of the “W ater Q uality S tandards”and for other information on water quality.AQ UIFER PR OTECTION AR EAS - Go to the CT DEEP websitefor more information.

Map created by CT DEEPOctober 2017Map is not colorfast

Protect from light and moisture