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THE FOUR TERMS TO EXAMINE: <br />Primary Startderds-Mandamry HWda-Relined Standards that may cause hmhh <br />problems in dritktrtg water <br />Secondary Standards-AesAedc Standards (non health-related) that could cause <br />odor. rases. or appearance problems In drinking water <br />Untagtdued ?rrnet?rs-hformstirn abort wntaMrunu that an monitored but <br />an not ctxrendy regulated by federal and state health spode . <br />Addidomd Paratnetse -WorrmatiOn that nay also be of inures. to cur -sto nners. <br />TERMS AND <br />ABBREVIATIONS <br />The following glossary of defkti. <br />dons will help you understand <br />the terms and abbsavktons used <br />in this report. <br />Maalmum Contarniaant Leal <br />(MC4 TM highest level of a <br />tonomirertc that is allowed n <br />drinking water. Primvy MCL; <br />are Net as does to eM PHGS (or <br />MCLGs) as Is economic* and <br />technologically feasible Secom <br />dory MCL an set to prong the <br />odor. taste, and appaeance of <br />drinking wasr. <br />Madmurre Contasrtkmat Laval <br />Goal (PtCLG): The ktvsi of a <br />contaminant in drinking waver <br />below which dire b no known <br />or expected risk to health. <br />MCLGN are Net by the USEPA. <br />Public Health Goal (PFIG? <br />Thar level of a co ntan inns In <br />drinking water below which <br />dhee I. no known or expected <br />risk to health. PHGN are set by <br />the California EnvionmanW <br />Protection Agency. <br />Maximum Residual Disinfec- <br />tant Level (MRDL): The [steel <br />of a disinfectant added for water <br />treumunt that may, not be ex- <br />Goaded at the wnsumtr s tap. <br />Masdmtam Residual Ohinfee- <br />tam Led Goal (MROLG} <br />The Awl of a disnfecsent added <br />for water trmu"mt below which <br />there is no known or expected <br />risk to health. MRDLGs ars sot <br />by the USEPA. <br />?rdmary DrMgdng Water, <br />standard (?DWS): The MCU <br />and MRDLs for contbroinamcm, Chat <br />all*" he" along with their <br />monkorktg and reporting rsgnirs- <br />smartta, and water troeonerrt <br />requirements. <br />Tswtmattt Technigw (TT): <br />A required protests intmentled to <br />reduce the Waal of a contaminant <br />in drinking waste. <br />Regulatory Acton Leak. The <br />mncentr'aton of a conetnihant <br />which. If exceeded, triggers treat. <br />sheet or other mquira r ents taut <br />a water system root follow. The <br />adjacent table ht, doe - the <br />levels of regulated contamnant: <br />chat wore detected in our water <br />supply from pnuary 1 through <br />Decembor 31.2007. The prom, <br />once of these contaminants in the <br />drinking water does not noceroar. <br />ily khdicato that the watt, pose a <br />health risk. <br />0 213% Post-Coraumer Wa4as <br />Additional oblammums wed below <br />At: aggressnaneu index <br />AL- action IwW <br />CFU: Cdony-Forming Unit, <br />PIFL- mRicn fibers per firer <br />NA. not applicable <br />LOS CUATRO TERMINOS QUE DEDEMOS EXAMINAR: <br />Norma Primarfaa-tat normas oDBprores rehclonedu con No salad qw puedw <br />oasio ar problutm en d at. potable <br />Normm Soctardrla-Nmros esaiticas (no reboonada con Is salud) qw pwden <br />auaa' oior, sabor o problems de apatto on of ague potable. <br />Pw*nwm Nt Regahdm--bdormed6n sobs aletnomoN "son cdntroladca <br />pre que no ortfin acmtrrrha rop"Niaa par In a(rri de seised Ie I Ia y del eased. <br />Prin ocm Adkkutakw-Mornud6n adoond qw pude darer a massacres rlnbea <br />WATER QUALITY DATA <br />ND: not detectable at rating limit <br />NL- notification Iwd <br />NR. not required <br />NS: no standard <br />NW: nephelomevic wrbidhy unit- <br />. rruature of wspetded mauri d in water <br />NA I NA I ND-0.3 I 0.1 I NO <br />pCifL- picocuries per liter (a measure of radioactivity) <br />PHG: Publa Health Goal <br />pPb p+RS W b9Etn, or nic,ogrars per iker (utfl) <br />pp- parts per million, or -INS- pr Sear (mg/L) <br />NO jNa,-N parent n Qe nrkarreax <br /> <br /> 23.2.) <br />1 . mion of-ral depots runoff hem <br />Anenk (ppbi 10 0.004 NO - 221 2 <br />.3 NO 3.0 03S IEa <br />-hard., 16.. and .1-k- produetien <br />B.-(ppb) ID00 2D00 ND-140 110 NO - ISibD 194 OI and maulstioares dschargac-1 <br />Fluoride (ppm) 2 1 0.2-0.4 0.3 0.17 - OS3 034 Embe of nA,ml depo.et discharge from <br />pirrlde (ppnn) <br />T (<) 1 0.4- I G 02 NA NA Water N ld'cke for dermal heath <br />Nine far NO3 em1 4S 45 NO .0.4 NO NO - 37 6 1021 Run.0 and 1-hng ham fatdar u.{ <br />Nitrate and Ntrae 10 10 NO NO 141-850 244 bchiht ham .y[k tans. and .-a. <br />N -1 1 _I.. of natural d casts <br /> <br />S.I.nirm (ppbi <br />SO <br />(56) <br />NO <br />NO <br />N0. <br />NR 0.dinri.A mne? and <hrrniul watt. <br />Bach rvnafl <br />SPECIAL EDUCATIONAL STATEMENT REGARDING NITRATE: Nina I«eh ony rite quirky fir short periods d tine beour d ranhl or <br />agric.kunl activity. Ntra, in drinking water at Ned. Awe 4S mgrs is a heath r6k for idam of io thw sk -ht of age Such nitrate Wok n drnkng <br />water <n i trfen with the capacity of the nfnts blood to carry oxygn, rewkng n a serious Awes ry.,pt- m6de rhe-- of breath and blunea d <br />the reds Nitrate bvek oboe. 4S oWt nay ako affrt he .6&y of the blood to carry o.ygn n other indkiduak ouch as prepwnt women and thoas with <br />cman >pwNk enzyme defkiencss If you an uring for an Whet. you nhould ant a&- horn your health tare prwidr. <br />(a) The [urbYry Mal d the Rand eats dal be loo than or equal to 0.3 NTU n 9S% of the rnsam ants taken each month and drat not exceed I NTU <br />at any rim. The a-,.. and ranges I turbidity drown a the Secndary Standard. wee based on the [romawt plant d%-L <br />(b) The State required sew water coBlorm nwnitoring for at tmtmnt plants bgnnmg Marh 2008. Reporting Nvd is I CMNI00m1 for total coliom red E. <br />(c) Data for the mangy-catering 8umide were taken before the fluoridation rasurnnt bpn. Fluoridation tray- d watr wpplr at A ern. MWD <br />tman[ plan,. -ad freq.-defy from Onabr 29, 2007 to Orenbw 3. 2007. Metropokan war n coopNnca with aN vr?whxens d the Stati. <br />NWWation System A&RUIrrrents <br />.L <br />laemal crrosion d houtahold <br />C0.3 NO 019 0 1 19 <br />dnpodtx I.chng Prom wood <br />Itwraal c-io n d household <br /> <br />ND 0 119 pWrbing Manc? .sedan drntural <br />02 ND NO <br />depoiec dachrgr frrn nduztal <br />rmhadanunn <br />Merhyl.tert- Lealuhg underground S ..I.. <br />storage tans. red pip.kner: <br />b.ty4erhr S 13 NO NO NO - 3.40 1 A9 <br />discharge non perrok.m red <br />(MTBE)(ppb) <br /><hendcal fartorw. <br />Teal 80 NA 12 . 8a 1 c 41 NO - S91 d) 18.1 By-p-clu. of drnkn war[ <br />Hakactk Acids 60 NA 1 A - 321 < I l NO - 20.t d 5.7 By-prod.. d drinking war <br />Teal Chlorine (4( (4) 1 <br />b7 Orinkhg wow d'nnf4tunt added <br />79 0 <br />1.29 25 0 <br />42.0 <br />. <br />. <br />. <br />. <br />0.etidu I Iw tmen <br /> <br />(d) The Stage 2 Dinlrtaatn/DanNttion 87-Produce (13I138P) Rule's IDSE was conducted be-- Apd 2007 and March 2009 for tool [rdwbmrhnes <br />(TTHMs) end haioacrd accts (HAASI n conp-ton with S.C. I DDBP Rub'. conpfence mantomg. AN TTHM red HAAS •alur fern the 191DSE <br />fpecr arryk. were with. the range (rarer r.p.,twi ter 11.r okan', due;orion ga.- Inromwtion on then. _Iee i. awlahN.p- req.- from <br />the Meu opokm Water District of Swthrn CAN- <br />(.) The S.C. 2 Daidec.,UVDklnfxtbn By-Producm (0,08P) Rule's IDSE was conduced between Nwrnbe. 2007 and Augux 2009 Ir total <br />trih.loo-hann (TTHM.) and hakncetc xd. (HAAS) -.j-ti with S.C. I DIORP R.I.', currprom. moncamg. AN TTHM and HAAS velar., lawn <br />the 12 IDSE Tw:& sample were within the -S. of -6., rep-. f- ,h. Cky d Santa A - dkrrbuum c7a°tt <br />75A-21 <br />Primary Standards - Mandatory Health-Related Standards