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<br />....
<br />..,.
<br />o
<br />en
<br />
<br />Con.:emraliom of tr,ll'e element". "UCh;1.. cadmium.
<br />line. copper. and lead. In "Ireamncd ~eJlIn('nh In
<br />rnam' hi..,lOril...al 11Ilninl:! :HCi!.., were !:'rt.'alcr than
<br />!!uid~]lOC'" for the rHlI~clHm of aqu;tic lift-
<br />Ip, [1-[2).
<br />
<br />PC"licide... wcn~ common]: lkle,,;ted in ..treams. in
<br />iil:n..:uhural area" of the Clllur.lun Plall'au durin\: thL"
<br />, ,
<br />grll\\ing ..ea,..on: h\.1\\I;'\er. the cnn.:cnlralion" were
<br />lyph.:aJl) 11m, f'c..,tH:iuc I..'ulh:t'nlr,tlion.., that e,\.I..'c(.'ded
<br />g'luJelinc... hlf the protcction of ;tquark' life werc
<br />Ut'lt'del! III (\nl) 5 llfYO ..amrlt.", (p. Ih). ;-';11\ all
<br />dck'deo pc...ti..:iut,.... have c"'lahli...hcu ,guideline....
<br />
<br />The.' hl."rhiciJe.. .1Irannt' and ;IJachlor \\cn,' uCh....:lcJ
<br />ill ml'T\..' than ollC'-t\alf of (he wall,'r ,,;unrk.. coIlC..:ll'u
<br />In ;lgrku[tura] area... of the Cllh\rado Platl'au. Thl.''''c
<br />.,:ornpound... ~tlrnmtln]) lhl'd fur wl.'l.'d \:on!w[ 111
<br />('(1m. v.er\" a]..o ,,'ommllOly d\"tecled in agricultural
<br />;.tn.:-.h na[lImwide fp, J 7),
<br />
<br />.\;u[rielll and ..u~pt.'nded."'l."dlllll.'llt l.(lnel'ntra[illll~ in
<br />"lream,", jn till.' Culm.IJ(l PI.lll'au \1,-l.Tl' [ypically
<br />grl'a[l.'r than l'(lllCcn[ralilln~ fUlIlIJ in ..[ream... in otht'r
<br />arl."a'" of the L'eOL lp. I S-191, 1'hl....e COlll.en[rallnn...
<br />can generally be a......IK.iall."d with a IlJllre d.:gradl'd
<br />..[atu,," ,If alga<... mH.rtehra[l.'.... and Ji..h lp, IYl.
<br />
<br />Major Influences on Streams and Rivers
<br />
<br />.Urban devclopmelll
<br />.t\banJ(medlinactin' mine~
<br />.Agrkul[ural return f1uw..
<br />
<br />Ground-Water Highlights
<br />
<br />HI"[llric:l1 gWlIlld-wal<.'r-ljualit) d.lta fill' [hl' lTOL
<br />ar<.' limit<.'d, The ~[lldit",... ('omplcteJ in till.' l'("OI. h~
<br />;"":r\WQA pfll\'ld<.' ba..diTk' inforl1l;l[ionlhat (';1Il 1"0<.'
<br />u..cd fnr iJ<"IHifying fmure wJter-411alil~ change..., Wilh
<br />[b,,' t"\cep[inn of radon, gn1und-v.:ilt"r ljuality in Ihe
<br />urhan area.. (11' the SOllllll.'rn Rncky ~tt)un!;llm gene 1'-
<br />;j1l~ me[ Ft'dt'r;ll and Slatl' ...tanJard~ for Jnnking
<br />\\;lter. The pre...enn' nf a rc\\ ell'vall.J ni[rale C(l[1\.'CI1-
<br />[r.lllUm. a few pc..[il.lde.... Jnd gl'nerally Inw <..(lIll'cntra-
<br />lillm (If \'Olalile 11rpanil' l'lllllpPllnd, indicate ...ome
<br />intluence nn the: lluailly of gmund wall'r from hUlllan
<br />;\Clivi[le..., Ba('{l'rla \\ere dr:ll'cteu In ground-water
<br />,ample, .1I1U call llecur naturally \lr inJiL-ale human
<br />lnlluenl.'l'<'.
<br />
<br />. A con.:entrallon of nitra[l." greater than lill." U.S, Envi-
<br />r,mm,'llIal Protectitlll Agenl.'y ,LJSEPA) drinking-
<br />\\'.lIer ..landaI'd wa... (\Iund in I of 57 ;;.hallm~ grounJ-
<br />waler ';llllpk~ ('lllle:('[l'd in urhan bnd-u.;l' ..elling;;.
<br />11',81.
<br />
<br />,
<br />
<br />\Va[l.'[ Qllali[~ in [hl' L'pper C,'lor.ld" Riwr B.1SIIl
<br />
<br />. Grnllnd water in urhan area... re:charge:d inlhe: late
<br />I 98(h or I 991h lend.~ [0 ha\'e higher conce:ntr:.l1ions of
<br />IlIlratl." [han ground WaleI' re('harged hefore: the 1980...
<br />lp, 101.
<br />Pe...[kide... and \Oblile orgall1l' compollnd~ we:re:
<br />detected Infrequen[ly and generally a[ .:on,,'en[ration...
<br />rc", Ihan drinking-water ...tandard.., In only lint" ...ample.
<br />dil'hlon1lllethane and letra.:hJowe[hene:. \~hich are so]-
<br />ven"'. \\ere d\"le:cted al C!'ncentratlOn... grealcr than
<br />their drinking-w;Jtcr ...lanJard.. (p. 101. Lo\\ conl.'elHra-
<br />[illn~ Ill' melhyl tal~bl1tyl elha (~lTBEI. <I ga...oline
<br />"Juili\'e. wen: deted\"d in ..hallm\ ground w;\ler in four
<br />of [he [iv'\' urban ;lfea.. ....11111'1<.'0 II'. 9),
<br />Tn[.\1 ,,'011 form ba(.tcri~l were detel.'leO 1Il ~ I perl.l."n! of
<br />Ihe "hallm\ ~rol1nJ-\\ '-ltCI' ...ample... l'olle:('Ie:d In urban
<br />af\"a... Illlht' S"l1lhcm Rod.;y :\Iountain...: nonc of [he
<br />...ampk..., <..lll11ainl.'d tilt' p('ll..n[iall~ palhugenic f.'schai-
<br />,'hill ("oli (E. ('/IIi) hac[eria (p. JOJ.
<br />Radon. a naturall~ ll<.:l.'urring ra,hnal'ti\'e ga.... \\-''-1<;
<br />deteL'te:d III all well... ...ampled in urhan are::l... in the
<br />SOll[hl'rn R(lCky ,\I(lUn[<lII1.... COl1l'l'ntratlOn... \\ere
<br />gn:al('r than [hl' prnpthl'd USE!':\. Jrinking-\\''-lll'r ~lan-
<br />Jard of .100 PiL'OL'UfIl'''' pt'r Iill'r. CUfTeiHl~ I~OOOl.
<br />radon in drinking wall'r h not rl'gulateJ: howcver. if::l
<br />nl'W drinking-water rl'gub[j(lll i... illlplcllll"ntl."d. Ireal-
<br />me:nt \If drinking waleI' for radon llla~ be requirl'd in
<br />[he UCOL (p, 4),
<br />
<br />Major Influences on Ground Water
<br />
<br />.Urhan development in the Soulhern Rody Moulllain<;
<br />';-':atural hackground conditl{'l1~
<br />
<br />$elected toolcalors of Ground.Waler QualiTy
<br />
<br />Sllallov.
<br />G'ouM Wa:e, SUDDI~ W,,'15
<br />
<br /> U""'"
<br />P"$I,Otle5
<br />""-a:" J
<br />R~~ .
<br />VoIal,i.. ..a
<br />OrganICS .
<br />T'ace
<br />EI"meNS -
<br />BaCI~a .
<br />
<br />Urban '-0'951 ~ange'ana
<br />
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<br />. . .
<br />. - ..)
<br />. . ~
<br />-
<br /> ,
<br />
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<br />
<br />Pe-rce<"lage ofsaf'>pIes ....'111 conce~lo-atlO~s graate' than
<br />O,eQ<lallo..ea'It>.'t";a1f1C1nationaig<l'Cle"ne5fOfClnn.,"'iI
<br />...ale'
<br />
<br />.. Perc9ntageofsa""ples...'llleoocenl"a!ton5~slllhan
<br />~..:tll-reiale-d nall1)tl.al gUIdelInes ~OJ' Cl',n~'ng .....:e'
<br />
<br />Pe'cenlagttotsamples..l1t'lnOMlecl,on
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