sipl» apru 1956 - pubs.usgs.gov · pdf file6 f cr 6 hears at 630 gpai _____ »...
TRANSCRIPT
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UNITED STATES '
DEPARTMENT OF THE INTERIOR
GEOLOGICAL SURVEY
HEMOHAJTDCM 03 70S OBOU)CI AHD GaOU:JD~«A72R i
RE3CS3CS3 07 THB PARKI3 XSUSD AREA, SOOTH CAHOLIHA
by Gaorg* AprU
Sipl» 1956
Open-File Report 57-100
NOTE: The original of this report is not. avail able. This report was copied from a carbon copy and, therefore, is the best that can be furnished.
report cubjeot to roriaion
CCS
trr^stigaticam
with salt
aad e<meliu5*CHB3
1
and scop® of investigation , _________________ 1
Location of
Geology _______________________________ ____ , ' 2
Gesaral geology aisd stratigr&phy __________________ 2
l*rlBelpal aqtdf ear la th» Parrla Islamd area _... _____ 3
Otbsr mqttlf ar» in tb« Forrls Islard juroft 7
of th» Hac^too^ »qtiif or In th* Parrla Island ar^* a __ , 9
aurfac* __________ -BW«w««^»^-«. ______ ir, m. 10
sad co«f flcdsnt of oiorsg* ^ __________ B 17
tha aquifer
Halaticci b^t^NHm pioapag* aad chlorld* eosto&tt ^ _________ 20
ftv»<m vustacr l«yel» aisd chlosrld» contact _ ______ 23.
ftotoors coneeraicg: ohlcrid* in grotmd vatar ___ 22
of nater ____________________________ 23
1» y«ll data ca tb* sapj^or and sonitoricg trail* of tha MarineCorp Roerttit Depot, Parriji IslaM, S»C. ^ ______ 10
2* CoopeaMitlTe va.t«or lofUui in velln ia Beaufort &G&during tha period* 19&U195&. _______ 15
CGETISTS - Continued
page 3* Saaaary of daily puapage* aTailabl» froa figtisti£g cud
addition*! valla is th* Parri* Island erst _____ 27
4» Cbeaieal ajxalysna of grov»d water la Boaufort Ccoatyj,S. C. _______________________________ 27
1* FlucfraatioiKi of v&tar Iwrsla dts* to tide* la vail 123,Bsaufort County* 3*C» , ___________________ 12
* Dravdovss ia ti»« Bortoa vail field prcd«c«l by pwsptrig veil 6 f cr 6 hears at 630 gpai _________________
» Cro«3 tieotiaB frca Saval Air Station to Jerieho fiaU, shoving rspcart«d static va.ter levels periods of aaximya awi sdLjilaca ptapago t ________ m 15
» CalctQ.*tioa offrosi thrsvdovna in veil 25* eawaed Igr piatpiB^ veil 26 18
5* Calculation of tran3sds2ibility &cd stors£<»froa draa*dc»wa» in wall M-4> ceased ^y poapia^ veil 26 13
&» ltaBpft^» T*KT5xyi «v«ra^« salinity ia vmlla operated by
7.
9*
10.
11.
tl»C»£»D», Farria Island, 5«.C«
rtsipag* aad ehlorl£» content of vater £rcei veil 2&, jparria Island, S*C*
Ponpag* aad chloride eontcot of vat«r frost vail 23, Fsrria Island, S.C»
Ptapagd aod chloride content of v&ter from v«ll 6, : Farria Islaixd, S.C. w . . . , 1T,
P\B3p*gs ai3i3 chlorida of vatar froi vail 22, rarria Island^ S.C.
Prepaid s»d chlorid* e&ntant of vater fr«i voIIL -27, Patria laland, S.C.
rtaapA^i «od chlorid« conteiat of vater from vail ^,
20
21
21
21
21
21
21
13* Konthly puaipa^» froa veils 3 acd 21 find tha coabiaed p»f;» frca valla 21 aod 22 ccapsureri vitii chlorld® content of vatcr ia veil 3 _________________ 22
X4. y&tcr lar-sla and chlorida contarrt of vater in valla 21 ar>423 Parri3 ladsad, 3,C, jj ______ ° 22
KDCFJU23DM CK 7il£ GLOLCCIRESOURCES 0? 77>Z f'ARRIS X3USD AHEJL S.C.
by Coorgs 3U, Siple
3. Geological Survey
of
Tfeia assporejsS'-st girea ih» resoits of a abort investigation of tha
geology sM grciand-vatsr r^aoure^i of th« Parria Island oreA; wKlcb baj
bosn sad a by tb» O^S* Gisological Sorray at th» request of this District
Public Sorks Offioor of tb» Sixth. Jlaral tistrict, Charleston, S« C.
anl th» Ccssaarsd«it of tb« nsurist Corpa Recruit D*pot at Parrlfl Island,
S» C» Th» prognsai vaa Initially raqasftt&d and apon^orod by thu Dls*»
trict ?ablle Vcrloi Dffie*, U.S* Sanry B«peartaeat» Suteftqtt«stly> this
spoAsorsMp Mas dttan^od to tli&t of tbd Harlu* Corp Eacmlt 2«pot* A
further ebsitge brought the program tmdar th« preheat epondorahlp of
Eidtrict, 0»S* Jlavy,
progr&si -ya^ limited ea*entialljr to tb* eolldctioa and iatxT-
o/ basie data and dasign&d to supply BOB* of the basic v&ier
rdcord» that vill bd n^aded in a »tedy of th* problcsw or the B*«ufart
Hthoo^h tb» progrfta is acn* only partially conylttto^ thi*
baa b««a p»dpare£ in responaa to a reqB*at frees tb» Sixth
trict for m fru^:*r;r of tba conclualoaa vhlch can bo siade at this
th» basis <f tb* data collect*? to data,
of
Th® aroa ccsjccrn<>d la that Incredlatelj' gurrourdlng Parrla lolasd
arid Pert P.oyal Island and adjacent areas ia tb* southern part of
fort County together with tha eastern part of Jasptcr County, ^
**4»"*
°Carolina. It la lirdt^d generally by th» latltalsa of 3210» 5
32°-45 8 !5 and th» longitudes of £C°3G* V to £0°55' V.
Frstrioua rapcrta IncloSa a &eooracduaif *Grotmd *ater In tha Beau
fort Ar&&, S»C»* bj IwJ. Ha&darff, U.S. Geological Survey, ia 19££, an4
fc *Coa,^r»heJi3iT» plan for tbo deralopcect of a» adequtta vator irapply
for tha Marine Ccrp Recruit Papot at Parrla Island, South CarolirAt»
by Daalsl A. Eeisdall of tha Eoraaa of lard* aw! Docks, Itevy
In i%3. &a ©o^iB^eriBg report, »'«ator Supply EcAufort Ckmnty K
Authority, Beaufort, 5o«th Carolina*, vas preparsd by ISm easg-lneKMris^
f Ira of Barker, Seelif and Asaociatao, liic» In October of 1954*
Th» i^rrfsco fe'atJisr Brasch of th& t?»S» Geological Snanrey la cnurrently
© ..-v^-ed la a st«3y of th» Ccc3>aiM»« El'rsr as an dltern&ta vat«r erapplgr
fcr th« BaTal iiistallatlooa ia th« B*&ufcart area, and tba <,iuality of
Vatter Br»3sch 1« Kt^g*d ia salinity studl&» of tliis rl'jrer for tha
la Iznroatig&tioa of tha grotmd-water ye^Knarea* of ChAthaa Coanty,
ai, with special r»farfese» t^ tii« parcel ea of aalt«v«it«r
urrently bedjcg earri^d oat bgr tfc« U»S* Geological Sarray .la
*jlth tfc« City of Ssraiaaali aod Chatham Cotmty, through tha
of 5^i5*»^ liiuiB^ and Geology of tha Oorgl* Division of
GECLCGI
Craolor
sraa li»4i IB th# soiitbern jmrt of th* Coastal Plain prorlnce
z& Iti a part of tha Soa labuod s-ecrtlon. Vlth th« subss«rg«ica of the
er«?925 durin rsccnt tiaf tb* #ea has fsncroach&d l^sadvaril ^ broad
t» stories ard foraeu zx£&rou3 Is-landa,, Tbas* lal*ndcf cat off frtsa
tba n» Inland bj tidewater flova, are chara^torlKtlcally flat but
bar* coasidsrobla r^llof dtia to tba proseaca of fosall donaa, and so-
called *3li&j% Scoa of tba latter JET® probably to* rasa3«»ts of old
a^taarios cod jcci^ cigr bar* b»«J c^u»«4 ty colutlrui In the
t follovod ^y aabsoquaxzt caving of tha onrarlylc^ awfec*
a CJcastal Plain cos^slats of * flat broiuj plain underlain by
of t»ccc5iolldat*d to aesd-ecwaclldct^d
^d vlth ^ slnple hasux&ls&l strBctara crrcr as aaseleat
03 crystalUsa rocfcj* Tbesa basaocstt rotifcs «r« CCE^MUKJ of
wi, »cJiistf and dlabaslo roeV.a. At Uto ias«r awgla of
tb» Co&stal H^ln^ n^ar tli* SaTassah Rlf^r^ th<jao rocks occtar at
of £.boot 100 f ovt a^xnrd aeim ea« Iffy^l* In tha f'arrla Island
they ©cciacr at depths uor» than >400 feet below icsl,
ag th« baaafiwsaxt rocia *r» tha Co&ttal Plain fora&tloraj
of granrsfly s&sd, clay, llnwatooa, aarl and cbele* In
irdi«r tb«y reprcsact deposltj of Lata Cr»tac«ous, Tertiary,
Plalstoeasa to Haccut aga» Ibay etrlka In a
direction ^^5 dip t4» th* south, soothaast at 8 to 33 f««t p«r
Aquifer la the Parrla lolend Area
principal aqialf«r la th* Pfcrria -Island area is a 'whita 1^>
, fosalLLferous, Uia«5Um« ^.ich vas prerlosaly consldcored
to b*> of ciidla to lata Eoeana &^»* Geologic data collected to data
ar* cot sufficiently ccssplata to dlatln^olah batvaaa thin fc:nfcinti<?a auad
oth^ra of CllfroBBna, Klocena, Pli-'>een» sud Plci*»toccai9 a£;«» cna or
-V
©f vMcb vtsy ovvsrllo tha li-^stcsc In thii :~rc&«, The prir^lpal aquifer
n»r«rred. to a* ths Ccala In Georgia asd Florida, v&» prarlousljr
doer ad oquiTolest to t&e Sante»a liawtstono ta& Coopar ruirl in S
Cttrolisa* Sub&aqa««tlgr, tha upper part, cr Cooper sari, h^a "bean
dacgln^.t6d «3 Oli^oc<u3o in ago, &n2 the lover cr Sactsa llaestca*
aa of aiddl« Soeana &.^e»* The £aat^9 lisas tons aai Cooper aarl crop
cut ia ?iB ^^rcuiJta bsCLty s-pproxlnataly 25 miles vido^ zxtesdizg
jLll«Eid3l3 Ccrantj of tha Srermnfth Hirar, e&stvard to ti^ iasit«»
and the !sorti.«rn part of Charleston Ccazaty* la "£&* cftttrro? crca tha
&9 1» 3c«?&r!iat soft except that veatb-*r»d exposaroa
of rocalelflad «ni iixiuratad rock^
aost para^able p3irt cf t5i« liasstona a^pdaors to ba
part, valch 5.3 rapoirtddlj cavernous lu j>Iao*a» It ia jxwathl*
th*j eqaifar used ia tho ara* consist a of HaeatoBe of nora than
epofi bat is ref«2T«d to collectively as tb* Ocala forasatioa or
fonsatlon* It la also po»slbl* or eYaa probabla that th-« lizieol
4? an aquifer lii actmlljr younger than Eoeewi and u? to E
Its outryop KT&&, tha Saotds lisz«5toBii dip* to tfc« south-
at a vary low ax^Lo an3 in th» upp«r pacrt of Beaufort County,
It ia cor^rad fcy th» Eavthora forsatlon of -^loc^jx* age* Tba tru»
estrsctisre of tho upper unita .ias this area la not clearly tmdarstood at
the pra&ast tla«» Hie Its^stoc* (Sact«e 7) app«am to r*Ters» Its dip
ia iis* vicirdty of B<wxufort and oco«» clc^sor to th* grousd cnrfac« tibin
i:i r^wi* to tb« north and ncrtbv«at, Hcvartsr, thla alght ^ du« to the
fact that th» prlrrcip&l ll^^»tona aqrcdfer 1« cot tha r
tut rath or a younger foraatt-.n sues aa the Coopar or poasifcly cua -aar
Miocene llftastcne equivalent to th» T^pa, liaoytcao j&f Florida* Tha
discordant dip betv*ea the top of the Sentoa lines tojie la tha
area, uith that cf ths> top of th* lirsdatcce in Beaufort County
precludes tba possibility of its bein& the &aae foraaticiw If this is
£.0, tb> Ctx>js»r bna chazi^ed fr a a soft saorl in th* cutcrop areat to ca
ia th« vicinity of Botittfcrt* Thar» ia also ta
flip to th» couthn^Gt frtm th» vicinitj of Beaufort beceu3«
top of tha lisdfttcst In th« SaTranrsah area occurs at an altitucl» of
at Boaufrcrt it occt^a at aa altiti&l» of apprccd-
f«it. it rrlchardvUle, 10 ailaa couthv^st csf Beaufort,,
ha* b»sn rsrp»0rt*d at an altitodo of 168 feat*.
of
drill ad fivti wrcmnd 'th« p@ria»ter of tb$ Eartoa veil fif^.d ^assd o&»
about 3 nil as north of tfc« S&Tt*l Alr^ .^tatiaa^ oa the rij^t^.f~v«y of
3»C, >l5ghway 70. Tha exscalsatLoa «Bd iil«ntificatico of litbolo^ic
units and fauna in rapcreaftatatlv* s*aplea frcn tli^sa v*?JU§ 1» ssot yaet
eoaplat^ enough to ntfejt® posaibl* aas acctxrat« description of th« strati-
graphic coluan la the Dortborn. and cwatxtil parts of tba area, la
©otrtb-3r>si part of tha sraa, r«eorda of veils drilled on ParrJU
shew that the JtJbieatone occura at <5eptii» of froai 55 to 100 feet a:ed la
iraadiatoly OT^rlain "bgr 1 foot of hfcrd phosphate rock, r«fw:ped to ty
tba driller?? aa *c£p rock*. Overl^ria^ tbi» rock are ecctosilitiosa o?
firs .easidj bl3£ clay and ^atd ajyod vitb shdlla* In gcsaaril tha
b«3tv*»»in 0 «ad 40 feat is oongldesTfitd to be rt*prosectr.tiTa of -th* F'anlico
fcrrs&tiou of Fleistoees© ti2=* # that frcra ^O«?0 foet &0 the Hawthorn
format! en cf I'UotJeeia £s &ad that ftrca 80 to 2ior& than 2-CO f»»t &a the
per fcns&tlcs of iJll^ceccs a£O»y TJisse ds^oalts vMeh crerlia
3 toca tre not uniform in either thickness or ar&al extent, and the
Ll found In cne vail is not always found In edjaceot veils* It
is rousted tfcat tha Btvihcrs forsi&tlca, «. pboajSiatlo s&xdy clay, together
vith tha sllic«»att2 ph&izph&te wc«tp rock wt fcrss the oonficlr.j be5 for the
water in the liios.atone* It ia po»sibl«t
ccsiatittite tha only cocftninjg: -baci in doa^e places b&£*uir»t during
and s^incs Plaiitcetaae tis«it therd has been eosxldarablo s^-ccsrt^cas
ercsicn of the Havtb^rn formaticm In thi» ganoral ftrseu At thos* ti^
tb» Icral of th® ^©c. vaa about 100 f ©tit lovor than it is ROW, ais4 the
ri^era probailj cut ds«pl7 into "ta» UawUsem and oldar fonsatltaaa.
tha H&vtbcxn fcrrsatlcaa is CjtiHe thin \5i«r»TW it ia pn^iciit ail in
of tha &r«a It nay not ba J3r*a*nt at all* IR a voll drillad
6 n.il»a 0outh»»3t of Boaufcrt, xsc trace of tha Havthora
tioa vaa found* Th* Cooper r^arl uhich has conaiilarabltt extent la its
oitcrTp ar«fca^ either ccsostitut^e tha wpp«r part of the 15js»3ton« aquifer
ia tha B^etuTcrt OMML' or #!»» is Eicoaxistant,
la the northern part of tb« ar«a, thare was a decided difference
bwtw«*n tbo eca:pa»itioa of the c»ttij^» f3ro« aonitoring veil K-4 and
tl^at of ctattinga frcsi tha tvo c«« supply vella drillod at tho Baval Air
S:atlea» Tha cattlz^s from w«ll H-4> va»r« raostljr 3and vberena those froa
Air Station veils contalaacJ conaldorabla eaouata of claj
Tha top ©f the liaoBto&v aquifer is elsout 50 feet below nsea sea
1 "-/rel ia tbe Beaufort sroa* Scraa- of tha cutuaries or rivsra anch *3 tha
1'road K.iv«r asd the Beaufort ^-iver ere report«dl7' 50 feet ds&vp at lev
tide* Thsorefor*",, v.ha liaestona efe-qiilfejr is probably eotpoawl at or near
th» botto&a of these rlvatrs and In contact vith &alt vatsr.
operations aov belcg planned or uiydertak^n in connection uith tha
dovalopciant of Port Boyol as a seaport &«gr provide easiar access of
the salt vat^r Into tb« aquifer in that area. If so, -It ol^ht af f act
the chleri.*<* content of all veils la tbe> arsa* _
liiJa report la coac^rned primarily vltb th« cb&racterl3tlca of
tha Turtiarj Usastoc* a-r,ulf«sr» Bcwerer, therd Is a possibility of
utilising oa«! or acjre of tba d»ep«r Gqtsifer* la foraaticsu of
Tertiary or Lat« Cr«t&£®ou* «Lga. The two 4e«p valla on Parris41jKmetr?tt#d epyaDCSoci»at«ily 3-450 foet or B»dia«nt« asd after floir«ral testsf
th» w«ll3 wer» dftTalopaJ ^tween depths of 2600 end 2950 fest, %
tors of fcsrnjatiaEss ans icaicatdd ia a log of oua of tbd*» veils, la-
in th» appcodlx of tb« Mnadorff report. In 1939*
of tb» v&t^r botve«n 990 foet &ad 26CO
» 2* Eaparto^lj th« chloridoft «aoast«d to 8^5CO
<3epti*2 of ^70 ft. sisd 1U9 f*sti 935 ppa fre» 1850 ft. to 1$CO
435 r^-» *>ca 1350 ft. to 2500 fefrt; und S2 p?m in water* obtAin«t:l In
th* 56CO-2311 ft* interraX.
.% ,i reported ty ^\radorf f, tJi« v«ll at th» ^Bt»rpri3» Ice.Co. la
t7p&3is»d a good supply cf frtish vat«r at about 450 f*«t b
vaa a hope of obtaisiBg a mtural flow frca A greatar d*pth.
v/«ll vaa finally davelopad at 75O f&«t but the supply V&* BStSLll s&td
the vail did not flotu
oa tb-jf rortb side of COOMUI Blrer, about 6 ailed north of
to b« 2X0^3 f^»t d»»p end yi^ld fresh vatcr*
Pro3u.*sablyf th» vat-*r is obtained frca th« top of the Fe&doa formation
of lAt» Cre»tseoc*i* age. This water is typically a sodica bicarbon&ta
vat^r, is vary soft* but haa up to 3.0 pja of fl.uorl£e,
In 1943 tho Layua Atlaatlo Ccnpany drilled a 340 ft. well for the
Onol^ea Fsra, near ^urtoru Tho drill $r» reported vhit« sari frca 70 to
220 f e*t and sticky white carl frca 220 to 340 fe^t. The caalr^: ia tha
veil vaa polled baeauas of tha lov yi^ld (75 gsllcrji per adnBt» vith a
25 foot druvdova) » Another vail in th* ssad^orfia areac;L*d vhlt« isarl at
a d^ptij of 60 faat aai vaa drilled to a depth o^ 2LC fe&t, 7h* static
l<rrsl vas 7 f»et b«low {protasd surfac* and tho yioli wai 270 gra witb a
20 foot drswriovn*
A vail drilled in 19CT7 for the Charleston Kinlng &nd Mfg. Co»^ .
7 sdlos north»A0t of Bearer t on Chioolwi lalaJsd, vent to a depth of
710 fe»t» 21j# ^ppmrsotst part of the ii^sstona aqnifer, frc^s 57 f t* to
70 ft,, coataixidd ^alt water* After tho veil vaa deraloped at a depth
of £51 feat, watar flowed orsr the top of th« casing at a rate of 10
* Ths» j5rlll«asr repcrt-ftd that tbs veil voald yi«14 100 gpa vith a
, the vat4>r wsji not r,alty. 7h» aquifer was probably
A vail VSA drilled in 1905 for the ?«rm ?k>rsal jfcdua trial
aral School at Trogaora, by the Hia^ha* Specialty Coll Crillicg
of Charleston. Orislcatlly t^is veil vaa drilled to 960 feat.
I "5 1943 ftr 9 JJU Ccnrjolly, veil driller, roportsd that at aac*
t !-.> « whil« ha v«-3 vortinj on th* veil, salt vator vas ©ncnu-n t>?r«d and
th& v»U a"b-i7v1or*d; &lso t^i&t a ^satisfactory v*te«r supply vaa
froai a ^epth oT ---.bout 2C-C f«»t.
In t^u* apriu^ of 1954 two teat valla vera drilled in ccnnecticn
vith the i;rouzid--<watar imroatig&tion at Savannah, Ca.* Cne Vis drilled
os Cockstpur Island, abotrt 12 miles oast of Savannah and the other on
Ell ton Head Island about 22 alls* east nortim&at of £ava&neh* Both
valla ver3 drilled to apprcxSa&tsljr the sesae depth, 750 f«*t. 7hay
pane -rated the llnwujtojid aquifer at a depth of about 725 feat and vest
seise 20 fast Into or^erlying elaj» In the veil oa Cockapor Xslarsd, the
Mor5.r3ai content vaa less than 40 ppa ia voter saaploa t&kan
th» entira d»pth of .the w«ll» On the oth«r baud, the v&tor ia the
Rntoa n**d I al&nd v-sll eboved an increase in chloride vith dapth,
the hot toe fisspl* reportedly contiiined oir«r 500 ppa of chlorida*
Tram the data available, It appears llkeXjr that vater 21^7 b«
taia*d froat so^» of the deeper foraw-tioss, bat there is doubt eji to
vh$th*T It vill be fnsah eaocght f or" clrijalciri^ ptorpoaea* The
tisss of d&veloidnfi: a aopply of vat4ar of eatlafrieUxry quality frcaa one
of tb© dsaptir aquifer* sxe ssore f&TJtsrable at places dlatsoit froa1 salt
v&tar
HIDSCI/CT cr TH1
Ihe probli» in the Parr is Island area revolves aroucd th*
1 7 us to the sacftmt ©f wmtar that say be vitbdarswa ftron the liaeatcn»
Bqulf'^r vithout c&^aaiiig »alt-va.t«r cncroacbaant*
It cujt be essrphjaaiisd that an adequate appraisal of this prohlsw
reqtii.r:?3 con^Sv2^rablj saora tiae aM data than that in-?l«ded Sjn the pre*-
sent st-aey ttjj-3 that a»y appral&al of the situation at this Use nd>ceaaa
f^-itryolT^» a X&rg$ risk of 3adsint«rpr^tatica of data* An additional
explication arii»^3 fircw the fact that oocaft of the reported data rsay be
toInaccurate or
Cf primary consideration in on appraisal of tho capacity of an
arruifcc ia tho position of th» vnt^r-taljl* or pisstcsslric surfa-co.,
This 13 c&taised by c artful s^aaureaest of vatcr levels in vell&«, A
corollary factor, la this c&ao, la the cbauga is ehlcrida eactwit of
tha water vith a chsr.ga la vatcr laral das to pusplng*
The history a»2 dsacription of th» ?&rrl9 Island ua.t sr-~supplj,
ccra prised of Jericho, Burtcn and Hitval Air Station voll fields, is
tain&d ia tha reports &onlion»d above* By th» end of 1955 th« .'a
charr|f^ in statas of this STip^ly involT»4 tha transfer of tho Sa^al Air
Station veil field faells 11, 12, and 13) to tha Xir Station /da
Tbos, th« fiarin^ Cor|> Recruit Depot fca» at th« pre9<mt
cnlj th» Bartoa veil field for practical or everyday 1^0. The Jericho\
veil fiald baa bssa puapod tat a f sw fc^ura a ssonth dtirisg the past tvo
yea.r»« T^bl» 1 liats the pros salt supply valla scd th» ssonltorin
tba sr«a. Kacb supply veil la BaUxad and currently
D*sp5.rtaejst at the Marina Corp 30eruit Ifepot re^cacrrda
«^« threat eaeh vail ecd *aak^» aonthl^ ssaasurstt&nt-s of
aad pcstpdug i#ater lir/^la in th» supply vails* Inalysea of th<i
sn.lt conttfttt of ia»ch *«>11 ia also reported. Vatvr l«r?el» ar» »aa»«rod
vith a pratSHinr* g^grs attached to th^ alr-liaa. Iiiaascach aa one pou&d
por s-7CAri9 isch of prasaura ia tha eqru-yalent &f 2*31 f^st of water,
tr.03 vetutr levsl» »^i$arad vith an siir gage reading to th« ne-arsat ^
pcurd ere c*ccxarit3 to vithin only OBe-half foot* Bcc&U3» cf th» pcsmiLi-
Involved of icac-^urat* ®atisnt*» of thd cb*r^:» ia vator Icnrala vith
Fnrr
is
I si
cnd
?6 27 23 ^ 1- -
r* 7
M-l
M-2
M-"
5
M-4
M-;
M-f
M-7
JU1
X-?
dorf
f-
Co,
' ">
!/
No.
','
0,
V-'.
-p,T
,,«
.,.
n
FF
T-1
14
litji
11
C
i "i
c
"TO
116
125.
11
_
117
12*3
. 34
_
131
* .P
-O^-
P
132 ^.M
22.3
2.
118
13^/
7^
119
12
5.7
0
120
117^
26
121
12
8.0
0
122
110^
93
23
1$
123
135.
81
133
o.ri
-.5
125
1-2
.57
," r*
>
100
or
07 nc / /
-110
102
ICO 9? 105 75 115
110-
-ic .'
- *
1*7
*
1C n 12 12 12 1C 10 10 10 10 10 12 1?
O °
~ ^T
T^.h
/-T
^rK
f*?
d r*
ptV
. P
erio
d
of
i^r
tc
to
vat«
?r
he-
w
ater
der
th
P?
,3.0
,
/,7
)
/t/f.
r.1
/56
7*
27.3
f-
2,0
)
7B
24.1
(-~-n
5y
«76
24
. 7 (
>/
"
12.4
2^ 11/4
/55
13.2
5 '-/
: "
-")
10/2
7/55
PI
22,6
^'
r.'r.)
r
\ r /
i o-
7°
fo
]6
A-/
'/7/
">/]
7/c
;5 : L
- iJ
r L J LS
. ..,
* '/.^
./
/ /-
-//
/ )^
/]9/
55-
85
*1
13
' *
' '
'/ 1
/28/
563/2
4-
5°
65
5.6
8H
^-
l /;
4
/15
/55
06
%
,?.5
|<+
nY
/;
^P
^0
l^?n
-'
/. /z
)l/-
/56
i 4
/26
-97
12
.35'
' ;
V /
:' '/!
V
^/5
5
'
140
Ave
rs g
e ^
^,1
rks
chlo
rine
p«r
j '-id
2/
22
VIM
s
nir
ll
rn -
da tu
n 4
2.C
-,
0*3
n
IQ
n
20
nN
ew
pupp
ly v
^ll
jf
\ at
NAS
Yi^
ld=
300
prt^
. hQ
3 ie
da
tum
?'r«v
su
pp
ly w
ell
,^2
9t
KA
S T
ield
=300 g
m.
?lp
is
dat
un
Mo
nit
ori
ng
w
ell
,M
on
ito
rin
g w
ell
, chlo
ride is
i
70
ape
of
2 an
aly
res-
1/1
2
& 2/9
j
23
w
23
"M
onit
ori
ng w
ell
, ch
lori
de
is
]
Monit
ori
ng w
ell
. C
hlo
rid
e is
j
22
z%$
3/o
^5^?
ai?
efS
"= 4
Co
-/Krr
a.J
Monit
or
In?
wo"
*!
- Y
ield
-
18C
rit
L
obec
o.E
xp
erim
enta
l w
ell
on
ImS-
Ch^
.';"1
26
is
aver
age
of
2 analy
ses,
2/^
7*
^
7 tt
< i
r
datu
rc
used
by
MCR
D at
Perr
is
Isla
nd,
assu
med
to
b°
1
03
.5 ft
. b
elo
v r
cean
?e
a le
vel.
M
P=
mea
suri
ng
poin
t ?"
Ta
= gal
lons
. bp
low
m
ean
low
w
ater
, or
as
used
in
pre
vio
us
report
s,
rocpoct to tins and punp^ga, the Sunray reCOEsendad certain changes in
tha obtiitasent and recording of iroch data, ?b*se changes v«r» coccamod
chiefly with th» sis® of A constant recovery tine (4. hours) baforo the
stalls or puapiag v&t«r leva! vas aeitanxrad In ft veil vhich had baen
previously ror-ning or abut down respsctivoly^
7i5» principal liicsctono aquifer ccntairm vator under urtesioa COD-
dltiooa. Thor-s i^aj b* 3cn« cxcaptlc-ji* to thlaf but It appllod to tb*
grantor part ©f th» ar&SL*, Vster-larrels In artaslajo veils fluctncta du»
to a swab^r of faetc«ra» Itssa factcrrs 5Lncl«d» naoivty puapln?f
trie charges, tld«a^ an-', otbor loading phecoewyu In order to
thd rifetiaro &cd fUBomt of th&»« w&tar lonsl chax5g«wt ftutogsatlc recordirig
gages vairn ixistall^d cm ftsrrcral supply vails and sc«iltorlng vdlls la
th« J«frlcbo» Bortcrn aad Saral Air Statioa ar«as» A continuous recorder
%»^aa iKstalldc! CB Jarlcbo vftll Ko» 4 fcxr approxlc&t^Iy 60 days during th0
first half of 1955* Tbo record sboved ti^t thd vater l$vel In thio veil
vaa affected by cxx^minie tlSes «ad that ttra 0esal«dltirnal cfcang» cans ad
ty this factor alon«» ^aount^d to Atf »«ch as 1.6 ft. Gradual ds&ngc*
o*/*,3? a per* od of aVout 28 5«y» cci3cld0d vlth varying pJiA5»s of tb« aocn
and chaug*® ia baroaetrle pressure* The b^roacBtrlc djan^«s are r«cordad
ty a iss.i-cro'barosTJiph located vlthla thm> vall-house cr recordocr aha3.ter*
T^*"O ^.'*5Yly r»eord«rrs bare been Installed in tiirn on vellj H»2 asd *^-3
in the Barters vail fialdj oa v^Hs *^5 aad Io» 25 in the riclnity of
frsrtc'e; ca valla 5-1 and 3W2 at the Ksrral Air Station and cm well }*-6t
»ox: 4Jywt!r!>t of the I'urtcn wall fisld and n*ar Broad I2iT^r» A. continucua
rocord ^r has t^s In op9r&ticm on veil }4~4. at the Saral Air Station 3ioc»
A^ril 1955* The reecr3s obtalBdd frcai these walla indlc&tod a tidal
effect on vater lavala for all vella except !5-£. Tidal
Tim
ft.,
bv
davs
O) -a c re O
'(U (U > (U s- O
)
fO
E-l
-55
JI2
-2-5
512
-3-5
5I2
-4V
55S
2-0-
5
I i
could cot ^s» discerned vith certainty ID tha' record for veil M~£,
to ths fast that thoy vera screened out ty cua^rouaOr bttzeUs Hit ktlf r</kc4<S {or^'i-Jrtts ccKtk'^pfj
du» to prapisg* 1st ot-hsr vsilsf boveyer, th« 3 sal-diurnal charts in
v&tar loral dsia to tidax rargfrd frca .05 foot In veil X~l to 2»6
In vail J£-&(?l£. !) Ib» not c!mr.g* in v»tar lenrel during tb» period
Octo^r i to- Sor^err 2S, 1955, dao to tha tide, «aoatitod to 4U.5 feet
In vsll 1^-6* Tho tidal-respor^* ratlojthe ratio of th« ch&rtg* la vater
lov»l -a a veil to th» r^tig* in 112*} rasged'frca 0»C066 to O.K7 In UHI
Vislls o"b^annjd» Th* flactustlons (of about »C5 foot) thought to ba jdun
to tidal affect la vail* 1 1, 1-2, &cd £0. 25 ar» so aronll ajid oocur
at craco tia^s aa to Irdleatte th» poaalbllltj that they aaj fc« due ia
part to cbartgti In l^areoatric pra«»uro»
ng of usar-lgr v^illj la t&a gr&atast factor effectlt!^ the vatear
irs othur valla in the area. Ih» isacant tj vhleh pyapinu one vail
vlll effect vator letrals la other valla depauds opoa ths rat ft and durs~
of puaptfcg, th» diatanca botv^beB wells, the p«?T3eabiUlty of the
i'ir, aid thft en tragic* losd«a in tb» ob»«rr9d veil*
In order to obtain data en the drawjovm esas«d ^gr piaapir^t n jnsxp-
tost vas ssid» en voll 26 daring <?uly 21 «nd 22, 1955* Th* test con
sisted of zca&3;sricg th» jracoTftry of vater lereOLa In ^dia *V5» -^-2, H-*4 t
i^ 25 c.f t«r shutting dcvn veil 26, which bad b0en po?ped for 9
B hcvrs arka 4r5 sdiratfss, at & r&te of 225 gpa» J}«pth» to v.«.tesr ver*
fceasur«; I;i veils ?^-2, *^5* a^ 26 vith & w^ttet tap^j vellj *'«4, 1-1
and 25 visra equip.- »! vith aatoc&tle recor<ling gages* Tbe te^t Indica-
t: ,] ll-.at r^o dotectablo drawdown oc^urrad in veils K»2 «sr ii- 5# thoj being
too f&r avaj to hav» a n«*3nra^le dr&vdovn vlthin th» tiae of tb^ toat»
Tii a cravdovu tVurlug tha fir^t 5^-hr-nr period was 4»2 feet in vail «U4f
0,95 foot in wall 25, Kid 0.39 foot in vcsll X-l. Uell >U4. Jb approzl-
natuly 2000 feat «-aat of vail Ko» 26 ard veil 25 about 3950 foat j&crutb-
vast of vesll 26. Tha xanraliAbility of infonaatloa on the distances bo-
af fectj the interpretation of tha rasulta of tbia test,
taken froa ths evaJlable naps, ere not sufficiently ac
for tha computations iirrolved. Tteus, veils reprt?s«2jt«d a» closer to
tho ftr3p*«3 valla hara leaser dravdovns tbaa tl^J3& farther cvay
is poaalbla but tiEllksly.
vhen w*dl 2o 1» ps?r»ped nt the tiaual rat* of 25C-3CX) gpa^ it reqtalres
approxls&tely 65 bo«:r» for the vatsr lirrel to stahilisft in veil K-4? and
12 hours to stabili** in ^all 25* "This fcppa&ra to izidicat* that either
(l) the peraealdllty of tha &qiiif«r decrtsaaos conaidarallj' in tba <5irso«
tics tc^Krds Ui» ^srsl Air Station (end vsll !-%4) or (2) tbo eatranus
$ in vsll H-4 «cr« ecaaidsrably larger thaa in otksr veils or (3)
rakncva jg^iologlc eha^ga occurs b«rtveea the £aval Air Station, and
vail 25* i>--i« ia »t»* iiidieatlon that th« parjaeihilitj of tha aquifer
i« ^roAtcr^ in tha -^arton i*ftll field th^a in the tarem c»«r the Haryol Air
jQj1 recordar was In oper&tictt in acnitoorin^ vell^ K~3> in
Ihrrtoo vail flald chcriag th» period Fehraary 10 through Jtarch 17^ 1955*
K~3 la located 1^075 f»st frca wall 6^ *^liich ia passed At « greater rate
(4.CO-450 upn) tha« orgr other vail in the field* The period of record
la too abort to &ake ^ergc ^efiaita conelialona, but vhdn tba tot^l pasap-
is? ratea v»re 500 gpa or lass tfc«n*e vaa no apparent affoet on v^iter
1'j'r-la in vfdl JW. A total pue)p&0e Of 1000 to 1700 gpa apparently ca
a 2 foot drop in vater lural in veil T 3 v<hdre«.» a total pu£pa£i3i of
gp^a on FeVruary 21 c»n3«?d a 6 foot drop in vail K-3» Additional records
cf uater larval* ia this veil vculd be of dcfirdte
puaplng testa war* &n.de In th* Burton wall field daring tha
January 2£>-27, 1956. For th» first teat vsll 23 va* puaped at
A rat» of 300 gpa a*^ valla 24., 27 > S, and **~3 vere uaed aa obs<*rvatica
volla* Contisftted puaping for B hturs failed to reveal any dotoetaULo
drjivdovn la tbn observation vails. For tha aoeofcd test veil 6 vas
puapad at a ra,t® of 680 gp» &r4 vslla 27, 3, and M-3 w«r» us«J CLS ob*
serrtitiotk v*U3» Th* diataccoj: betvean the«» vailfl ara not accur&telj
represented oa iwdUtin£ zaapa but th» vrlter rAds a ccspaaa and tape
trarora* aad obtAina^i 1,C75 ft, for the dists^c* betvfrtan vails 6 and
K-3; and 1^270 ft. for th* distance b«tvoe» valla 6 and 3. 71a» did
not parait % similar tr^Twroo to veil 27 frca *£~6* batjj Ja^gij^ fi"ox
tfc« amount of dra^dcum in vail #7, It is ejtiaatad to bo b«t«e«c 700 &u
$£0 £t. fsrcsa vail :-5-6* Tha vat^xwlerala ia veil 8-3 ver» naaaured vltii/^^^ ^x
a oteal tapa; thoa« ia vellJi 6, 3, end 27 vltfe fin'&ir gftge*) £fter^ >^. ^^^
6 hour3 eczttiz^oua pusplng tb« v&ter levels in all vall» had e
stahillrad* She draudova la veil 8 isscuat^ to 3»0 foet; that la veli
H^3/ 3-^2 f®^tj £25d t-hat in well 27 aaouctfcd to A.O feet. Althou^i tb*
dwrat!on of th* teat eoiscid«d roughly vith th® rscadic^ tld«f the srITect
cT tb^ ti--o probably uas s»t significant b«caus« the t^dal aff^rt ia vsU
K-*3 P as daienrsinfd viOa tba r^Cd-^ing: gaga^ fisount««S to 1 ess iltan
foot* Figure 2 shova the g-sneo-al relationship of the vater l^Tal
fors ssd near th® and of th» ttyst ia tb* -^urton vtdl fi^ld on January
2S-Z7.
There vs^ rsot sufficient tism cor data aradlable for ccm;«trtictioa
csf a. pieaouj*tris zc3p, but a Casparioon of th'* data used for such a
r:;up 5ja af '"or^ssl in Tablo 2, which lists tha recant vater levels in
lfic v-pllj ccrspstrjfcl viUi vater levelJ Esa**-jur;d at proriona tildes.
M-2
4
29
Wes
t
T
W«t
cr
l^vel
bofo
r
Wat
er le
vel
nv
ar
end
of
f-um
pinc
V
.st
tost
27
Ho
rjio
nta
\ 1
Inch
=
4CX>
fe
et
Vert
ical
as
Ind
icat
ed
Figure 2
. Dr
awdo
wns
in th
e Bu
rton
wel
l fi
eld
prod
uced
by
pumping
well
6
for
6 hours
at 6
80 g
prn
Tab
l* 2."
C
crr.
para
tlye
wat
er le
vel
s in
wel
ls
in
Bea
ufo
rt
and
Jasp
erC
ouni
ies
duri
ng t
he
peri
, od
1941
-195
6.
WELL N
UMBE
RParri" Is
land
Mundorff
N-jTi!.er
Number
i ME
ASUR
ING
Desc
ript
ion
POINT
Alti
tude
*WA
TER
LEVEL
Dept
h Al
titu
de
(feet)
(foo
t)Date
REMARKS.
i n 4 6 K
11
R 12 n 13 n
USG
S C
o.
No.
BF
T-2
8 n ^
19 N 21 n 22 IT 25 N 26 n 27 n 28 n TO
ho
le
in
PUTD
P ba
no
air
-lin
e
pipe
ho
le
in
pum
p ba
se%
£&£?
M**~
ho
le
in
pum
p ba
so
air
-lin
e
top
of
pum
p fo
undat
ion
air
-lin
e
top
of
pum
p fo
undat
ion
air
-lin
e
top
of
pum
p fo
undat
ion
air
-lin
e
floor
of
pum
p ho
use
pit
top
of
casi
ng
£"^1
9 .In
on
.jj1r
.c7
>N
26.6
3.
*29,
2.
21.5
*
21!:?
^!
I-'-
/'
11.6
2\\r
t-.13
.0
25.5
27.5
13.5
(?
)
37.0
35.0
(?
)
11-5
25
,5,
7.0
5'
22.3
1
23.8
20.2
3
22.3
11.2
3
16.2
14.1
3
15.1
5.60
24.0
8.15
29.4
24.0
10.8
5
,8.1
9
4-4,
32
U.4
4-1.
25
4l',
9
4-0.
39
-3.2
4-11
.37
412.
4
47.9
0
413.
0
426.
85
44.1
tit?
43 1
2
4/1
5/4
4A
vera
ge
/fyd
/tety
t^ft
S-
<?S
'-6/
1/5
5-1
/56
4/15
/44-
' '
¥ ^
Ave
rage
4/5
5-1
/56
4/1
4/4
4A
vera
ge
"7^/
> //
^t^
.^ £
<(*
<.£
//
1/5
5-1
/56
v t>
v V
4/S
/UA
vera
ge
1/5
3-2
/54
Lar
ge dif
fere
nce
ij
A/8
/44
' alt
itu
de
of
B««
*ar«
Ave
rage
in
g
po
int
ind
ioat
ei
1/5
3-2
/54
ob
viou
s err
or.
4/7
/44
Ave
rage
W
ell
deep
ened
si
nci
T /c
o
o /c
/ i q
y /
i/j/
rt' £/
2**-
«* ?*
+**
4/1
0/4
1
4/1
7/4
4
-
Tov
n of
Ftj
nu
fort
Tab
le 2
.- C
onti
nued
WEL
LU
SGS
No.
29 34W n
46 n n 53 n
EFT
- 56 n it n
JAS-
25 n n
JAS
-26 n n
NU
MBE
RM
undo
rff
Num
ber
29 46 n n 53 n 56 n n n 76 n n 73 « n
MEA
SUR
ING
PO
INT
Des
crip
tion
Alt
itude*
(f
e.it
)"
' ,
9.0±
ft
. to
p o
f ca
sing
balo
v do
or sil
l
top
of
casi
ng
top o
f ca
sing
top o
f ca
sing
N n
N
n n
N
base
of
pu
mp
val
ve
top o
f ca
sing
red
uce
r at
top
o*
casi
ng
n n
. n
n N
if
* n
«
top o
f ca
sing
if n
it
3"
thre
ad
pro
tect
or
top
of
vood
pla
tfo
rm
ft K
*
top
of
thre
ad
pro
tect
or
23
,9
n
20. A
n n
U.2
6
42.0
4
13.2
2
n n «
37.2
n
3B.2
5
23.3
5
VI
24.0
5
WAT
ERD
epth
(f
eet)
8.1
6
9.5
4
10.4
18.0
5 .
18.1
5
19,0
6
20.8
7
22.2
5
5,0
5
5.31
6.7
8
8.63
20*0
19.8
22,6
0
12.0
-6
12.7
7
. 16
.98
LEV
ELA
l ti-
tude
(feet)
44.0
4
41 A
, 36
413.
5
42.3
5
42.2
5
fU3
4
423.
39
419.
75
48,1
7
4-7.
91
46. 4
4
44.5
9
417.
2
417.
4
415.
60
411.
79
411.
08
47.0
7
REM
ARK
SD
ate
1:43
P
M^i
S
topp
ed
pum
p 24
7/2
n/55
^-
m
inut
es
pre
vio
us:
7.
3/2
0/4
1
4/2
6/5
512
x00
Noo
n 4
/10
/41
2:40
KM
4/1
1/4
410
:32
m
f V
^s
7/2
1/5
5
-^ -°
"12
:00
NOOD
4
/12
/44
5:05
FM
M
aj b
e d
iffe
ren
t 7/1
1/5
5
veil
.
3/20
/41- >
4/12
/44
4/3
0/4
4
4/2
0/5
5
4/21
/4-4
1C/3
C/4
7
4/1
9/5
5
3/1
3/4
1
10/3
0/47
4/1
9/5
5
.
Tab
le 2
,- C
onti
nued
WEL
L NI
TMBE
H ,
,,,...
M
EASU
RIN
G .
POIN
T
WAT
ERus
esN
umbe
r
JAS-
32 n n
HA
M-6 n n
Mun
dorf
f D
escr
ipti
on
' N
umbe
r
79
top
of
3"
tee
M n
n n
n
n n
n n
w
n w
n if
*
8C
top
of
casi
ng
rt ft
w w
« n
n n
Alt
itu
de*
D
epth
(f
eet)
(f
eet)
9.2
|3
,6
n 43
.66
" 43
.3
" 4
3.1
22.8
41
1.2
11 41
2.2
" 49.8
LEV
ELA
ltit
ude
(feet)
412.
8
412.
86
412.
5
412.
3
434.
0
435.
0
432,
6
REM
ARK
SD
ate
3/2
0/4
1
4/8
/41
10/2
9/47
4/2
0/5
5
4/8
/41
10/2
9/47
7/9
/55
15"
It nay be seen that vhereas acae veils, particularly in tha vestern or
southwestern part of tha area, {towards Savannah), appear to h&va lover
vater levels in 1955 t.hiin in 19££ or 1941* the decline In vator level
eacuttt* to lass than 3 feet.. This fcay represent a drop In vater level
caused by increased puapage in ths Savannah aroa. Bouever, those veil*
vhlch shcv tha greatest drop in i-ater level era close to tide vater and
therefore effected "by the tide. The drop In vat«r level in these valla
is l«as than the fluctuations of water levels in response to tide, as
cotod in oth-r veils similarly located* In tha Burton and Beaufort
tha Apparent drop in vs,ter level has baen of tha sasie
r, bat vben it is rrrnrabered that the effects of
in altitod» of »&asscri:r: point, end discrepancies of v&ter level
say individually or collectively produca en error as rreat
IT not greater than tha apparent I^rop in vatar level, then it is enri-
dent that etdditiooal, &ore aeciir "-a inforaaticrn nost be obtained in order
to detersLine vhether a progress! 3 loveing of vater levela is taking
place.
ffcerttas tha pi»«>Btetrie stap '^reduced by Knndorff indicated the low
est vatar lev*l in the Burton vs .1 field to.be »t an altltode of 1.85
feat, present data ahov that the lowest average v&ter level during 1955
vas 3-5 feat. Thus IB tha eoiu> -.reduced Ijy ptacpage in tha Bnrtcn ^^1
field, there is an apparent drop .^f vater levala In the ordar of 2.0 feat.
Figant 3 shovs a cross &ec^~. ;?n of veils frca the northwest to the
froa the K^' \1 Air Station to the entrance of tha
Corp H»cnzit repot at Far- la Islcnd. The curves sbov th« reported
vater l«vsls In veils at the tlr.- of hi^h pua^age (Aizg. 1954), a>t a tiaa
of interr*»diata prapaga (July 19; 5), sad »t a lisa of lev puap*ge (Dec. ,
aaonn*v£sd to 'r ^J^9 56.3, rtiid 30-2 rdHlicn gallons per
, respectively. The avera£a difference in vator larval betveen
that reported during the greatest pua;x&se asd that for the least
is appTffrlreatsly 10 foot ID the Barton veil field and leas in
areas* The vater levels in these veils appear to bd a
reflacticn of tho surface topography, vhich night lead to the conclo-
eica thst thay represent vater- table conditions » Uovarer, the coaflgt>»
ration of tho v&ter levels ia also due to the fact thct puapaga in the
Jericho and Ha-ral Air Staticn veil fields is cocaidarablj lover t.hjrn
that In Burton, and colncldently the 54 two &re&3 ore higher, topogra
than the Burton veil fi«ld
Ths distance to the recharge area of the lioaeUme equifar has
tofora boen cccaldarcd to be approrloataXy 30-^0 adlss in a earth v*et
Bcv«T£sr, there is sose basis for Asyualng that local recharge
place either ty leakage throu^i the ccnTining bed 07 through places
vhcre the confining bed Is abeent. Ibe vater lorels.at the Eanral Air
Station aud those sentionad tj Mundcrff in the Lobcco area, are ET2i>-
stastiaGLlj higher than those in the area around Burton, Beaufort, cor the
lovar part of I"ort Hcfyal Isl&nd* These higher water lerels night be
accounted for hy other factors bnt thqy night also roprasgpt ar^as of
local rg>chArga, offgcteA through the vatap»table» In addition, it vas '
noted that vh*r»*s the use of pitcher prtj^i In the vaUgrwl^Lble aquifer
en Pert Hojal lalasd has beotn vld»apr»cd in
? used at the pre»»a3t tine becaiise of & Xoverad vater_lcnral^ Again this)
naj be accoontad for by the depletion of the vater table aquifer
of prolocgid dry periods, but it oould al^»o Indicate that the relief of
pressure en the confining bed, chja^to puaplug the Burton vail field, has
loa]ot^» throu^i the confining bed asd lose of vater frcn th»
-17-
table aquifer.
TrgL033las!'bility K.
testa vere ghdft by Jtadorff in 194A and subsequently
during Uiia irrreatigaticn for tiie purpose of determining the fundamental
aquifer cons tin t* of tr/tntnl aaibility and coefficiaot of storage Hun i
dorff'a lesta in the Burton veil field indicated the ararage
bility of tbe aquifer in that area to b* about 90>000 galloca par day
per foot* Tests at tb* Saval Air Station irdicatdd that th0 tran
bility tbere va» only 45*000 gallons per day par fool. ?h» tra.nsal»»ibt-
lity repr«*»Bts tb» rtalxacr of gallons $6 v&ter per day which vill perco
late thrcru^b eaeb aeeticn of the ftquif atr one foot vide* and haying a unit« _
bydranlic gradient.
The traisnlesibilities obtained a» a result of recant puapingv
vare calcolated by use of the Thais tton-equilihriiaQi netbod, vbar&in
T s 1U^ C Vfo)
S st tiTt1.37 r*
T ~ trancnlaaibtlity in gallons per day per footS ~ coefficient of storage, a disansionloa* fractionQ s pusrplng' rat* in gallon* per oinater = distance b«twe«a pusped veil end obserration veil,
ix» feet t 5? tise since pocsping began (or B topped), in
u s 1,C7 r2?n
V (u) a -C.5772 - log \i 4- n - n2 4> tP _ ^ n^3*31 -l»4
Tbo taata coodocted in 1955 r-Txl 1956 indicate valnaa for
in the Burton vsll fi^ld cttrreapc?c<aing closely to those obtained
2/ rhoia, C.7. Thd Helatitaa Betvwm tbe Loverins of tbe Piexccietric Surfacetha Bat» and Deration of Discharge of a Voll Using GrooDd Vatcr Stc?r.\£e»
ji». Ceopoyj. Union, 16 r519 (1935)
ia 1944* I>o recsat t«3t ha.3 boon cocdoctcd at ths JJaval Air Station -
Tjaa of th« constructional activities currently Irx pro-
in that ariwu But a test en v«U 26 Just couth of th* Karal £ir
Statists, obtaisasc! iiidecialv* results » Tfc* trAassaiaaibility calculated
frm v<i tar leyala ia wall 25, (flgw» 4-} in th* dlr action of Durtan
V011 field, vaa appixsdbatoly SO^CXO gallons per day tut the transaisai-
fcj-lity as calculated f?oa tb« vatar 10val3 in 8-4, on th« »outhera
of th* ^aval Hr Ctaticn, ascu&tod to only 25*000 gaJlora per d^y
of th« coefficient of ctora^a iodic*ted a tralu»
1 x 10"^ for tesla in the ^jrtca vail fi*ia cssd 3.5 x 10*5 for tfeo3« naar
ths !?aT*l Air Statlczu Tha coftfficicat of etcraga is dafiocd by th» 0.3.
fjical Sur?cy a» folloro* Th» coafficiwot of storage of sa acj^sif jr
tbo trolir** of vat^ar it r«l«^s*3 from car taiea Into otora.g» per tsrdt
ace ar*a of th* aquif aar per unit cb&x&a in tba ccsponant of bead
aortal to tha 2narfac*» Altbcu^ »>t inelodod in hi 3 report, Jl
calculations of tba #t«rag* coefficient ia th* Burton area, as ob
f rca hia Eoto», &^ra»d sabs tantl ally vith thoaa calculatM froa
recant
3:« cx^ulfar caed in th* Forri* Island ar*a IB orcrlAin ia contig
uous araas bj salty jnjrfacfc later and bj mataricls saturated vith salt
vat&r. Salt water cr brackish vatar also occurs in aejuifors tmderlylJBg
the fV-esb-vatflr aqulfar. Tbns, eoctaaiittatica caa result frca (1) covr>-
vsrd s*Mj»ijt> of 0^1 ty or brackish vat«r frca curf&oa eourcea tor cnrsr
^ b«d» (2) lateral rsigration throo^b the llasstona (3) wpw-ard EKTM*-
of trrd^rljl^r sal^r vatsrs, «3i3 (4) IcaJca^a throa^rh dofacULva veils*
'?.
r*-
i.o
s (drawdown in feet) 5
IQjO
r^
Figure $.-
Calc
ulat
ions
or
tr
ansr
aisf
libi
lity
and storage
coef
fici
ent
from d
rawd
owns
in w
oll
M-4, casusd by.pumping v
eil
24.
on J
une
21-2
2, 19
55.
JLs Ecntioaad pr^rrloasly tha Urea tons OCCTIT* at eltitude*
-50 feet ia this area en3 thd doptfcm of stich esttxario* as tba Beaufort,
, sad Coo*ai* HIvara cay occpcsaa tha aquifer to ffalt water. ThH3 9
Gi^ratico of salt vator frea A place vhara th« a^tttfer 1» ia
vlth s«*a w&ter Is couaid«or««d ono of th« moat probabl* proea&ses
ijbieb cost^aizsatica occurs la tliia ore&« Ik>vevcrt coct^airAtioa cay
about Is other vaya* Ibus^ if tb* hi^i vat«r lersla ia th« areas
tho l^ral A.lr Station «x4 tha lovar part of th» Jericbo waill
2} fiald occar &« a result of rochcrg* f^rta tbti \ottezwtaibl3
t&roogh dl^coctintsitisia la tb* femficisf lagrfer** tban eontasiiaatloca caa
occnr ia t2»s* &re*ta 1?7 a aoY«»Kat of aMsltj^ starf2Le« vat^ thrmsgh^tha
g^.p ia tb« coafinl^f j^td, Tbia r^r accouat for tha «xmtsaiaA.ticai la
th« Burton (town) fcrera., B^ar JLbagot« Cre^c*
A zmsbsr of tiralrtsdnaS depn&»aiou»t Icc^lly called B siiih5
prasent tbrtm|£»0ut th« arotu This topo^rephic faatere xa«^f bo
bl« for tbo 4i»coctis«itl«» or br^iika -is th«
local 3*?chArg* to ta>e plac*» . Tb» erig^La or th»
for by (1) GDdar^rouod »olx;ti«ai fo»i:s£ caTitlns »Mcb
ly fHls4 vitli sasd, (2) irti^eea eroaioa during Lata Tsrtiiiry
or Plsiatocena lias vhls^i cut throa^i th» confining laytaxa, fbrains
vhich bave »iac» b«»n filled with »And, or (3) tfeissic disturbaiacfi«
th» Cliarltsatcn ®Artijqtak» -or oca* prsriotis «arth<yaait«# vhich
frnctore* is th* casfiaii^ bod a»d fill*d then with sa^d both
is» of th» qaak» nnr*. at »O3» 0ub»aq»«:t tlss* Whatcrar thsir
th«ir prwecc* could aecottr^ for the local r«char^t* to tha art®-
f^r and vouh! i£x^r»«»o the possibilities of salt vater
j (icr?nvard o^epag^. U'ell 1-2 ia ia OB* or tbosa alz&fr, cyad it3
loTc*l la craa of t>^ hi^bast ia tb«
-20-
Maodcrff beliored that the source of conteatlnatlon in the Jericho
vail field vaa the lateral sdgr&tlcn of salt vater frcaa Batter/ Crfcak,
Bat, &3 ho swatlcned, thars is also the possibility of corjtsaliia,tloa by
& rhymers t of salt vat*r through defective veils.
^.ttlAtio^ betvygp ftcrpaga gag CMorifJe Co^ten^
Figure 6 ahowa the relationship between the puspa^o and chlcriil^ '»
content of v«ll vatora a a reported "by thti 24alnt«naiiefl JDopcrt^ent of tb«
riarlco Corp Recruit Dapot* Eitb«r th« data la cot Bttffieiaatly
/or els« th* relationship is Vft^wi at best. Sca« gasjeral ccofcitdtyX
'rails but tb* period of hi^ii^at puapag* (liarcb 1952) coiccidca vith a
period of lew avsraz» chlorida coiat «t«
Fi^ir^ji 7, S, 9> 10, IX, BQ& 12, show th» eoapsridoo between
jpaga frca IniiTidaal veil* vith tho arwra^* chloride content of
vat«ra, as reported by th« Karin* Corp Recruit Dapot* 7b» docrralatiocj
t,9tv««n pi22",pa£» and chloride is fair to poor* *b* corralation la beat
ia th» «!atA frcss -s^lla 6, 22, aad 29 (fi^rrwi 9> 1C, and 12 r**p«ctivaly)
ell in th» Burton van fi«ld.
^Tia hi^htrst chlorids rsportad frca veils Optra ted by tb* Iteriaa Corp
Hecnxit J>pot is obtained from vail 3 in the Jericho veil field* Figure
13 represents the ocgthly pnesp&g* ia wells 3» 21, CTvl the mra of pwtpogs
frcs 21 a»d 22 sjs eoaparad \dtb tbe ebloride content of vatera frca vail
3» It 5s..ty b« inwn that there is little It any ccnforaity batveea the
ciarr^ji represent lag pnap^o froa veil 3 vith tha chloride content» shit
v»ll 3 la pcEr>«d Jta xcrsira^e of only & hours p«r BJOath» Eovflrrr, the
curro ropr<»3«itinj pu»pag« f r&a veil 21 and that representing the total
pipage of valla 21 5t»d 22 (n*3artMit ro^alarly pjuped veils to tha Jsriebo
vail fliM shotf a rwch closear corralaticn vith tho curre
±r±f+4-H~t i 1 L *_. . - i- 1-*.-
., _^_L_L^i-I_.L
H-l H-+-I-4-H-j j j I } _, I [_. i _J L. i i r i , i i i
ii c- tr ^ /; J O c." H > O jf « 1C c > 7." J O tJ V- > c> 3- ed c :; >- r _i O ft. J- *w < D. v *> ~> :j "* o o ui ^ ui < a. i -js rs ::) u o o u .r u.- < ". J 3 r> r> u o ou. ? < j: -, -^ <o»O^'0->^y'<-<: ->->-<
Pumpage versus average salinity in wells opi
V^4i:ti-j:H:.:
: , - J. r.t 4-i-j- -4-+ H-J-T H i-r4- -!-nr- i~Hu: :A:r.tt:ri'TT'L";. :r:r;:izr.!:tr"t: ;^::;;Z^ini!
-1" -!i miii_i.'T~Tr["_iT- nrr 4~i_i' r~r~|~ T. inr~
, _ <- . > . _ .. < i < "> r i » ^ i o . i < uj '..-.< -3 -,_>.» o w < u < o. * .» r> :> u O o '' < LJ -t c. < - rj> 3 i.; cj o iu < uj < o. < _, ^ r> u o O ^ < inT ...» - -, -, - * ' ) - M -i w < 3 :-> :i < i-- -.5- a - x 5 < :- -.-. < o o ^- o -. u. s- -^ ? z . -» < u. o r fj -^ u. 5 <>-,->< ci o r Q -, L.
L9.CLj_ _ 195i___ 1954.__ 1955 _
vveiis op ofn ?o.V^ j Vi i v-. by ' M.C.R.D., Parris Island, S. C.
u Merer uiscnarge X-Computed Discharge
i : r ; ..4 4 ; - |--I : ' - 4-.f_L_a i_l r!_
. -, i- -^-;- r , r -iu-
.(.1 -- ri »r t: > ^ j - .-." . " ,-" ci !- r.; > ^' .; d c." »--' .> o r' » c r: X r' J o o.' H >' o z a c- nr v jr' J d n." t^ >' <)
L'*-JL^il?.iL-:.il?! " : -IllliiJiL" 8 ° ^ - " § "5 3^JLo_A>JAi.lAls.8_5_o f 1954 !935 195S I 19 5Z__
,ris Island, S. C.
Jan
. F
eb.
Mar
. A
pr.
May
1955
an
e Ju
ly
Aug
.S
ept.
O
ct.
No..
Do
a 3
ti)
T '
8 M a1-
PU
MP
AG
E
20!
181
Ippm
)K.
rt -
?ir:
n«e«
«r.
i ch
iori
da
cont
ent
of
vat
or
free
voll
Hot
23
, P
orr
is I
slan
d,
.S.C
»
Fig. 9
- P
umpa
ge a
nd c
hlor
ide
cont
ent
of water f
rom ve
il N
o, 6
, Pa
rris
In
Pd
rris
Is
lan
d
wel
l B
P?
Co*.
Jan.
Fab
.M
ar.
Apr
.M
ayJu
neJu
ly
. A
ug.
Sep
t.
Oct
. -N
ov.
Da
PU
MP
AG
E
! a 0) Pi W Mi
7?
i 0 5. 4
:
24 i
a 3 23'
21 20
<
\S
AL
T
(ppm
)
%
k
A\
/
V
I § I
Jan*
Feb
.M
ar.
Apr
,M
ay
PU
MP
AG
E
Aug
,
1 \ \
Sept
,O
ct;. *
26 221
SA
LT
Fie
* 11
- P
urcp
iiro
and
chlo
rid
o c
onto
nt
of
vatr
r fr
coi
veil
I.'o
. ?7
..3
c.
8PT
Co.
/fil
l
Jan.
Fe
b.
Mar
,A
pr,
May
1955
Ju
neS
ept.
O
ct.
9; 8; k 7; 6-
13!
PU
MP
AG
E
i...
SA
LT
i
\
Figu
re
12.
- Pu
mpa
ge a
nd c
hlor
ide
cont
ent
of w
a,te
r fr
onj
wel
l 29
? P
arn'
s Is
land
, ST
C
chlorides. This tends to subatantiate th» atatesxant that th« chlor;lla
cont&nt incraaaos 'vith tha piszpaga, otb&r factors being oqiial,
1b«tv«»on iJat^T I/gyalii ar4
to principled ^arvalopad l?y several irrrestigatcra, th<*
contact batv^en £rs*h and salt vatar in an aquifer hydraulic Ally cc *~
n«cted with th« 9c«. la d«t4sroio«d approximately ly th« dlffcrencn iu
b»ad betv«>aa th* waiter ia tad ftq'oifor an/1 that in tba ocean «cnd by 1^»
relatlr* spftclfio gravities of the tvo TiKitars* Ih» frsab vatsr b«5.,-j
lighter, vill float oa salt y&t«r» If the aTarrag* 3p*cifie gravity of
0SA water i» as surfed aa 1.C525 *»i that of fr*sh vatsr ad 1»C, then :Vt
vill raquir* 41 foot of fr*3h t*ater baad to balajoe* 40 Ten*! of sea it«r
und if an f^uif «r 13 in contact vitb t&a sertt «.t A d^pth of 40 t o«t > >lov
»»* l^T*ly thea cii* foot of fVesh vater bemd abors s*a lev«l will "L *
required la ordaor to prerent tho saOYesaent of salt vater into t^« £^: .ii«»
fer*
Bow8T^rf the»» priacipl*a ar« not strictly valid as they asst: > a
»tat» of hydrostatic «*qttillbri«a b«tv»«n fresb asd italt vat^sr^ wbe.- xs,
ia fact, th» freab groand-*at<ar i» continually in jaotien, «md th» ' *
flaid* sro in dyaajaio equilibrita*
Tignrti IA la a graph of tha saonthly l»Tdls in v«lls 21 sasd 25 .
the r«port^d cblcarid*r,co»t«ait i» th»»* volla diaricg tha t>»riod3 Oc
1951 to May 1752 asd l^rch 1953 to Jacaary 1956. There Ia soa* d-i-
of c cmalation batv»«a th» ctcnrss but HOB* whara the change* of vt.i
loral and chlorid* content or» ss&ll* Cf posadblft aipaificanca ia
fact, crident fro» tha ci=rvo«, that the r&ns'a of vat^rw-lanral and r
in the second period of record ia about twiea tbAt of tho
June
10.0
cr oEV.
a>CL
C/J
O C7>
C O
o<a.E .->
CL
compared with cloride c
n welisi 3icsid iElan'd the combined pumpaqe! from iw^Ils 2liand! : i I ; i 'I r » , . ! r . .
ide content; of water in W8lli
22,!
/ &lltiOT»al ?a.etor3 Concornir.g Chloride in Ground V
Additional f acta, partinant to th» probl«a of chlorld* content^
isclode tJha degree of accuracy obtained or refinaasnt osad .In' reportlcg
th» ehlorido* IB grouud-wat«r* 7h« January usonthly report of tha Karina
Corp P.acrolt Depot watar sspply reported a *salt» contact of 24 ppa for*
th« v&tsr in vail 6» Tha rapcrt^ cturat'cna of pumpage for this voll
wa» 134 bctrrs disrinj th« &o&th^ vbleh la cccaidaraHy lea* than t*:»
cu3b*r of hoiars th» veil la jsapud on «sn eirerag^ H&ea & s±apl« of
frca this vail vaa collected on Jssuary 27, and finalys^d in tbo U«3
Geological Saanroy laboratory, tha chloride contest v&a only 6 ppa* 2
lorly th* monthly Harlso Corp Kocruit Depot report for April, 1955 re
ported th« salt content of vat«r fVca v«ll 26 as 24 p?a. Th^ &a^pl« fro*
this v*ll, collected at the eas* tlr« and &o&ly&ad by tb« tJ»^
bad a chloride contcort of only 8*5 ppa» 1h» r»aacn far
la not &ppfersnt» It sugr t* noted hcwrorj th.\t a
r^a v&U E?7-OL03» loc*tad Oft the uorth sid« of th« Bsral Air
Station and fcrsarlj' ovned l^r th« irask Plarrtatlon,
U.S. Geological Sianr^ labcratcsry aa hirrlr^ 22 ppa of chlorlda which la
of tha D&is* aag!iit»2« &M th» salt conttsat reported by th» Jtarin* Corp
Hacruit Depot for th» S«7al Air Statical valla. It 10 posaibla that th*
W3alt* content r»port?5d by th« Koris« Corp Eecrait B#pot do«a
th« total rait or salinity of th» vatsr rather than Jiiat
wrltar cheeked vllb the ^i&iK
aertt, ha was isforr^d that tha v&ter vas tested for chlorida only*
The veils op^rntad bj th» City of Beaufort have been repo
hi^i in chloride M> higji in fact that z»cas« v«sll3 had to b« shut
for a prjriod* AJ iTiiicat^d in th« '*ucdcrff r^pcjrt, this ni^ht ba expect
ed to ccciar in th« veil at tha Cotrrt Hotuki bacaus* of it3 prmisitiy -to
NO. ,«iltO. rivg Tt**» »v x 100 oiv OOK COMPANY, INC. NOHWOOb. MA««ACHU»«TT«.
MIBT0 ! .«
Static water level, in fe»t, below measuring point*
Chlorides in parts par million
th* salty msrfsca uatcsr, But^ on occasion* tba asaa difficulty has
r»perts?i with city usll 5 at Epaaiab Volls. TMa vail is located i
vicinity of cue of th« uo-callsd «si3ikji% ;se2Qt!cn«i abcra* 5Jr»
, a local driller h&3 pentSsacd tha possibly that tha high
in tfcb wsGLl va^ e-retstctt-tf tha dl»chi2-«
tbo vat*r aoftaiior into the caarfcy "sink* end tJrt circulation of
vatcsr back into t5i» vall» This appoors to be a rery logical
fcr the ccaitcEilii«tdca of thl3 vsll, r>nd coald
eepirg th» veil ia operation nrx! &t th» ssa« tlpo digpcs^ng of
brina rackvash in other areas. Jtoothar po^aible cftusa of tha
tlca ccxtld b» a doycward ceepag'e'of aiearfcy salty staff ac» vater
acd thsuce to th» veil*
o
tbcva tb© sa&lys** of vatcor frca el^rt vella la
vator frca tiwi d^opsr aquifers la tyricaHy btsie, very
soft, b!a^ in sodi^rs biearbeesftte and fluortdftf ssd lev in Iron* Va
frca tbs Ubi»sto»» fiqulfor i» sObaoat neutralt qolta bard, and
bis!h ia ircu or ehlorid«* It la a
tcf3poratur» of tha vatar froa tbo d0op veils on Farri* lalacd 43
about 103^?* viieraeui tbo t«np«iaratar« of tbo oatfcr frca tba li±
equif ar is issmlly between 62°F» end
CCKCLOSIOJS
squif sr ua«d in tb« P&rrla lalaisd area is &
to vhita foaxiliT eroua liseatono of £oe«s» to «ioccs» age vbicb
at altltadea of apcrcoctaaLtdly -50 F&et, It la Approxiaatdly TOO feat
thlclc cr4 Incl-adea all tha calcaraotts ddpcaita dovn to eoad including
tbos<» of early Docer.* tisia*
-24-
format! oiai In tha vicinity of Porria Island proper, contains
sallna or brackish vattar dovn to 2&00 foot* Pat In craa^ to the r-ortb-
vast froa tire vicinity of Burton tov&rda Isaacs**, It i» protabl * that
2ra of tbr-30 deeper forri&tlonj vill contela frsah vator*
lorel* in tha velle on Pert Hojal Inland &re *ffsctad t>y
^ baroaatric prssstare eod t^ influeiica of poapln* D-2ar1^r ^'alla*
Th» Siaxlaiaa recorded range in vater lov»l caused by the infl^*nc-«> of "
tld^ asoJEja.ted to 4>»45 fe^t* the range of reported vatar IGT^IS dua to
dlffaracc^a In esottat of v&ter puaped esourrted to sore thsa 10 feet In
the Ecrtofi well field* 72ie racorsry of vatar larsls in tb» ^urtca veil
fi&ld, after siaitttcu dcwn fell v»ll3 for a period of 12 hcur3^ caisaed a
1 foot risa In veil K-^t ap53-oxk=ately one sll« vest of the Bur-tea vails»
The erarage pieaoaetria surface In the £*tirtoa well field baa de
clined l^ae than 2 fest since 1944* Hoveirnr, t!i«r« ere csrtAln ccatpll-
factors irrrol-rsdi (1) *idil flucto&tlosa In scse of the vella ara
th«a the decline^ (2) It ha» not yet been determined with eert&lcty
vfe«th«r the datan iiaed la deteraftilng the altitude of eeAsisring points
on veils v*3 s*«an low v^tea* or rsean sea lerelj (3) The dlsfcributioa of
*e b»«a» cit^a^sd l?y the aASition of seraaral veil* eince 19^44
th« total passage a^p^reotly fcaa not Increased ssueh (4) The3
»ethc<S of nea»crln.5 water lovalji by saans of en elr gstge la r»t sstsffl-*
ciently accurate*
Ths plsscsai»triff rrorfacw, fiJ deteradxftd In valla sxt^zsdli^ fro» the
lover p;.rt of Saapton County to the lover port of Jasper County and the
east am pstrt of ?ft-^afort Cotsity, has apparently declined frca 1 to 4
fast, Kowev^r, th^ veils are do** to th» coast ecd feffectsd by the
tic a ^rii the veils s<r:thv*3t of -^erria IrJ&nd J^y b» Influenced tj pin-
-25-
Vhereas the aquifer in the fcortbveat&rn part of the era* doubtless
recharge* froa an crsa £4reral zniloa inland, it Is possible that
local recharge occurs through discontinuities in the ccsifining bod, aa,
for instates through cink3 or through the confining bed itsalf »
The trsnsftissihilitj of the lisu»atond aquifer in the vicinity of
the Burton veil field ia approximately 90,000 gpdl/ft*
that tha transzaicaibility ^ocrceiswi in th^ nortij*rn or
diTi^ction* £c:rurata data hav» y«t to fca obtained in order to detonaia*
this pcaaibllitj^ The coefficiant of ctoraga is approxiratalj 1 x
Th» eqaif sr can be coGtusijBa.t«5 with salt vstsr Igr <5o«cward
latoral rsigratlon, uw&rd aoYoaettt of underljlng vater» and
through dcfoetlTd valla » Although all of th«s* factors say INI sors or
less oparativa in thia area, those consiJerod to be the ono« BD3t likelj
to csu3« problcas of caacroacha«at ar« tb* downward o»cp<ige and lateral
hydrauULcallj connected with salt v&t«r
vill certainly bacoas contaainated uhen the ha&d of fr*ah vat^r ia rcdtsoed
to caa leral and the gradient between the veil and the ceesn is 3
direction of tha vsll, lioverar, tbe proatljr reduced posspage ia tha
cho veil field has apj>ar<mtly had the effect of forming a fresh vatstr
barrier bstvestj that area of probable ecnta*isation arsd the Burton veil
f iold* But it vould b« via* to maintain a vigilant check en the pcsei
bllitj of esstisai^aticn reaching the Burton vail field frca other directions,
as for Itistacca ia the eaatsra or northaastara direct* cm tovsrffl
of &s.rtsxu
Otbnr factors beia^ ©qiaal, the chloride content of the vail vatcr
to varj dir<*ctljr vith th» coount of vatwrr pusiped* ^ischarffa of
at&cl «f fluent* iB the -ricinity of ptapod vello ia also l
to cause high chloride in the jxxaped vater*
Any at-. cap t at this tlua to estimate the probable safe yield vhiea
the principal liaestose aqolf car could fisrcish in this area voold be at
best a slightby less t!ian hazardous goes*. The data collected to data
tre so liaitep and eo subject to error in rany respects, that no depen
dence on such an eatisate aa a fira figure in warranted.
The net supply of groczd-4/ftter available for use by the ailitary
establiabfteata vlll be dininiahsd ty iacr^asir^; dyifttrds for irrigatic&al
tiae Tor large track f anas in the vicinity of the Bartoa Lobeeo tres*
Plans already in progress to derelop liorge additional tract* of acreage
bj cupplea-aat&l irrigation ifidieate that larger aaounts of gronnd-vater
vill be t2sed for this porpoae ia the Jiear future*
As sizessrisod ia Table 3^ *k* present «»ppl7 veils for sdlitarj
tatalrllshaenta in the Parrls ^slaad arsa hare a potential yield of 10*2
aillion.1 gill cms per day* Severer, ptsrpa^e frca each veil has been Hal
ted to aa arbitrary "safe-yield* vhieh, if all the vails vera paped 24
hctrra per day, vould yield 8»57 nillion gallons.* However, such a
puoplzig schedule is cot ordiratrily adrisable^ so that thd total
ia 7*16 sgd if the psapa are operated 20 hours per day; £»29
vbem operating 12 hctcra per day and 2*37 &gd vhen operated 8 hvors par
d^y* These figures include puapage f roa the deep veils* It appears
feasible that additional veils could be added to this systat to develop
CLJJ ailiticcal 1500 gpa or a total yield of 8.96 C£df vhen operated 20t
h era per day and ts±ng the ceep veils* 7ba»e figtzrea talc en frca Tablei
rg enonnts of vatcr arallaMe as
dul3. Ecsuerer, .the reader Is cautioned that tho&e figizres do cot ta2te
jbsto ccriaSderation »xxdi liaitinj factors a« the daoagor of 3*lt vator
Tab
le 3
. S
ugar
y o
f dal
ly p
umpn
gfi.i
nx
rtiJ
labi
lo f
rom
exis
ting a
nd a
ddit
ional
wal
ls
' .
in t
he
Par
ris
Isla
nd a
rea.
Tota
l purapage i
n million
gall
ons
per day vh
en
pumps
are
operated a
t "s
afe-
yiel
d "I/
WeH F
ield
Jericho
Burt
on
Nava
l Ai
r Station
P.I. De
ep V
.'el
lsi
?low
or
Pump
1 Pre
sent
sup
ply wi
th d
eep
well
s fl
owing
Present
supply wit
h de
ep
veil
s pu
mpin
pr
Prob
able
additional
supp
lyTo
tal
supp
ly «
- de
ep w
ells;
flow
ing =
(A)
Tota
l ou
pply
- d
cop vo
lla
pumpinj? = (B)
Pump
age
(A)
with J
ericho
shut d
own
Pump
age
(B)
with
Jer
icho
shut d
own
Rate
d Yi
eld
(gallons pe
r mi
nute
)
700
4200 750
190
1450
5790
7100
"Saf
e-Yi
eld"
(inan) 550
3400 550
190
1450
4690
5950
1500
6190
7450
5640
6900
Hour
s24
hrs.
0,80
4.S9
0.60
0.27
2.09
6.76
8.57
2.16
3.Q1
10.7
3
8,12
9.94
pump
ed o
ut o
f20 h
rs,
0.67
4,08
0.67
0.27
1.74
5.69
7.16
1.80
7. '.
"3
8.96
6,77
8.28
each
24
12 h
rs.
0.40
2,45
0.40
0.27
1.04
3.52
4,29
1,08
.',./.
*
5.37
4.06
4.97
8 hrs.
0.27
1.63
0.27
0.27
0.70
2.44
2.87>
0,72
r*~
3.59
2,71
:.£i
. «»
1/a
rbii
rart
^pr
redu
ced
rate
, g
ener
ally
abo
ut 8
0 pe
r ce
nt
of p
ump
cap
acit
y.
DSA
UTO
Ki
COi'
CHEM
ICA
L A
NA
LYSE
S
(Res
ults
in
par
ts p
er m
illi
on e
xcep
t S
peci
fic
Con
duct
ance
and
pH
)
o n
(U
CX.
o a
3 S
o CO
Pn
rria
Is
land
PFT
-10
Par
ria
Isla
nd
BFT
-11
Pri
tch
ard
vil
le
BFT
-100
Po
rt R
oyal
,S
.C., B
FT-1
02
Tra
sk P
lanta
.B
FT-1
03
Bur
ton
- P
ines
Mot
or C
ourt
Bea
ufo
rt,
S.C
,B
FT-1
06
Bur
ton
wel
l fi
<RP
T-1
1 4B
eauf
ort-
Mix
edfi
nis
hed
wat
er
from
cit
v v
el};
< <
H-1
C s"
V \'\
^BOO
770Q
xp-
to ^00
ino^ 8}
Id 100
2- 8
^
2>
3,
5.
bel
li1
3^5
c o*-
4 4-
fU
OJ
U
*-*
6
* «o
m
O
O
«fl
0
Oct
.?0
/V,
Oct
.15
/54
Oct
.a/5
3
Apr
il21
/55
Aug
.27/5
4
Oct
. 20
/5A
Bar
.25
/55
Apr
il21
/55
Dac
lyO
V> .
12/5
1
o O
4
CO
1? 19 45 12 10 w 9.4
(JU c «i
.99
.10
.10
.00
.20
.01
QO
.54
~ c o
O
-P
.10
.20
.15
.09
l.Q
.08
.29
.
6 o a
<
L)
(J
^ f
'
1.0
21 107
17 38 44 40
6 w> j
y
en 3 ,5 C
10 6.5
1.7
2.5
2.6
1.7
<TJ
ZS ^
^
e «o
H
(TJ
T3
*-' t
o o
rz:
Na-
486
Ks=
4.9
Ka=
4l2
K«4
.4
13 Na=
313
K*1
.2
Na-
13
K=
.7
Nas
4.6
K=
.8
16
P (U o*ro
,»U
Of-l
0
o h:
H A
11,7
0
1000 131
146
50fl
121
114
,147 98
1
ou «*i
Q
a *^ 1^
3
1.2
7.6
18
8 1 4.9
1.5
31
o H
o U
r- «
>-^
U 58 10 3.5
282
22 6.2
24 8.5
20
41 o O^
u« 4,7
4.1 .5 .1 .1 .0 fl 2
1 ,
0) «0
CO
z 2.S
3.6 ^ .6 .0 .5 .0 .2 .3
^
a > -o
o -«
</)
O
Q 1<?O
Q
10JO 16
2
815
155
143
171
..
<o M
ro
TJ
ro
X
6 4 94 294
105
120
307
U cU
«J
o -o
jol
(X 0
CO
0
1900
1630 243
1170
4130
' 21
6
274
256
294
2/
In
solu
tion a
t ti
me
of a
nal
ysi
s fc
/ U
icxo
raho
s at
25UC
.
,
£/
8.1.
8.5
7.8
7.2
7.2
(
7.3
7.6
7.5
7.0
Chi
anic
eJ a
nal
yse
s of
gr
ound
wat
er
in B
eauf
ort.
Ctf
ppty
, S
.C.
-
Vith ttte reservation that th* data ere not stiff iciently reliable
or ccaapleto, it Is estimated that the total supply, that tti^fat be safely
vitbdreva frca the lireatone aquifer is between 3 end 6 all 11 DP gallons
per day* In eadrgsnc^ea, larger supplies can be puspod for short
periods* An additional waoont of vater night be obtained by allowing
the de*p v&lls on F&rris ^slend to be ptssped for the £pr&ater proportion
of any 24. bc\ir period** «
The abore figures are h!g^ily conjectural* The aqnlfer sdght safely
provide sore than the sncnmt estis&ted* On the other ho&d, stich factorsi
as deepening of the Port Hojal channel, the iccraaded use of gronnd-vatsor
for irri^tion, and the possibilities of eontaoinatioa by Tcortical deep-
age9 cii^it singljr or collectively liait the eafe yield to &oae lessori
caiount* Farther etujy should be giveo to the problea is order to select
favorable locations for additional veils* &ose areas vbicb, at the
present tiswi^ appear a*xst fsrorable are (1) frca Burton nortbvest
Grey's Hill to Garden* s Corner* and (2) southwest of the Burton veil
field en the vest side of Broad Hiver and north of Spring Island*