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<br />I'WS1D: IO~O()~6
<br />Som\: contaminants do not haw Maximum Contaminant L\:vds \:stablish\:d fhr th\:m. TIl\:S~ "unr~gulat~d
<br />contHluinants" ar~ ass~ss\:d using stat~ standards known as h\:alth risk limits to d~t~rmin~ ir th~y pos~ a lhr~at
<br />to hunHU1 h~alth. I I' unacc~ptabk levds or an unr\:gulat~d contaminant ar\: round, th\: r\:slxms\: is th~ sam~ as
<br />ir an MCL has b~'\:n \:xc~,\:<.j...'d; th~ wat~r syst~m must infhrm its custom\:rs and lHk\: oth~r COIT\:ctivc actions.
<br />In th~ tabl~ that fhllows ar\: th\: unr~gulat\:d cO\1tmuinants that \wr~ d~t~'Ct~d:
<br />
<br />-- L\:wl Found -
<br />k:ontamimmt (units) Rang~ A wrag~/R~sult Typical Sourc~ or Contamimmt
<br /> (2006)
<br />Sodium (l')1)m) (07/17/2002) ~/A t3.R r.:rosion or natural d~l)osits.
<br />Sull~tt~ (I)I)IU) (07/1 7/20(2) ~/A R,2 r.:rosion or natural d~~)osits.
<br />
<br />Complianc~ with ~ational Primary Drinking Wat~r R~gulations
<br />
<br />Th\: sourc~s or drinking wat~r (both tap wat~r and bottled wat~r) includ~ riwrs, lak\:s, str~ams, Ixmds,
<br />r\:s~rvoirs, springs, and wdls. As wat~r trawls ov\:r th~ surl1tC~ orth~ land or through th~ ground, it dissolv~s
<br />naturally-occurring min~rals and, in som~ cas~s, radioactiv~ mat~rial, and can pick up substanc~s r~suhing
<br />rromth~ pr~s~nc\: or animals or rrom human activity.
<br />
<br />Contaminanls thalmay b~ pr~s~nt in sourc\: wat~r inclulk:
<br />!1-licmbitll ('fJllttllllimlllts, such as virus~s and bact~ria, which may com~ rrom ~wag\: tr~atm~nt
<br />plants, s\:ptic syst\:ms, agriculturalliv\:stock OI1\:ratio\1s, and wildlill:.
<br />I1wrgtlllic CfJlltlllllilltlllt!i, such as salts and m~tals, which can oc naturally-occurring or r~sult rrom
<br />urban stormwat\:r fllnon: industrial or dom~stic wast~wat\:r discharg~s, oil and gas production,
<br />mining, or I1trluing.
<br />Pesticitles tllltll,erbidtle!l', which may com~ rrom a variety or sourc~s such as agricultur~, urban
<br />stormwal\:r runon: and r~sid~ntialus~s.
<br />Orgm,ic cI,elllictll cmlttllllillull1s, including synth~t ic and volatil~ organic ch~micals, which ar~ by-
<br />products or industrial proc~ss~s and l1\:trokum production, and can also com\: rrom gas stations, urban
<br />stormwat\:r runon: and s\:ptic syst~ms.
<br />Rtltli(}{tc.'1i\'e cm,tmllilltlllt.\', which can oc naturally-occurring or b~ th\: n.'sult or oil ~U1d gas
<br />production and mining act ivities,
<br />
<br />In ord~r to ~nsllr~ that tap wat~r is sail: to drink, th~ l:. S. Environm\:ntal Prot~ction Ag~ncy (EPA) pr~scriocs
<br />r~glllations which Iimitth~ amount or c~rtain contaminants in wat~r provkkd by public wat\:r syst~ms. Food
<br />and Drug Administration r~glllations ~stablish limits ror contaminants in boukd wat~r which must provid~
<br />th~ sam~ prot~'Ction ror public h~alth.
<br />
<br />Drinking wat\:r, including boukd wat~r, may r~asonably oc \:xp~'Ct~d to contain at kast smull amounts or
<br />som~ contHluinants. Th\: pr~~nc~ or contamimll1ts do\:s not n~c~ssarily indicah.' that wat~r IX)~S a h~ahh
<br />risk. Mor~ inrormation about contamimmts and p()t~ntial h~alth dll:cts can oc obtain~d by citlling th\:
<br />Envirol1lucnlal Prol~cli()n Ag~ncy's Sail: Drinking Wat~r lIotlin~ at 1-800-~26-~791.
<br />
<br />Some! jleople may I'll! more! 1.,t/llertlMe! to ('Ol/lamillell/(,\' ill elrillki1lg II'C/(l!r 11"/1( IlIe gelte!ral populalioll, Im/llttllO-
<br />('ompromiseelper,\'()I/.\' su('1I a.\' per,w)l/.~ l1'UII ('e/l((,l!r ttI"lergoillg dlemolllertlpy, l'II!r,wm.\' 11'110 lIal'e! ullelergO/II! or gait
<br />Irc/l(splal/l,~, l'II!ople Irilll H/lZ:JIDS or Ollre!r immUlIe! ,~y.\'lem eli,~orele/'!l, .\'OIl/e l!!ele!r(l', allel i/~till/I.\' ('all Ill! parlicular(l' al
<br />ri.\'kfrom iI~ti!Cli01l.\'. Tlle,~e! l'II!ople .\'I/(mlel,~e!e!k CIC!1-i('e ahotll elrillkillg It'ale!r.frc>J1/ IlIeir lIe!allll care! pr()l'iele~'. EI'AiCDC
<br />guielelille.\' OIl approprielle II/e!e/l(,\' to les.\'e!1I Ihe ri,\'k (~f'i/~tecliOlI.\' hy ('r,11'to'\1lCWieliulII are! ell'ai/aMe .fi'cml Ihe! Selle Drillkillg
<br />Wale!r HOlli1le al 1-8(J(J-.J:!()".J,79 I.
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