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THE FOUR TERMS TO EXAMINE: <br />Primary Startderds— Matdamry 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 probhnu In drinking water <br />Untagtdued abort wntaMrunu that an monitored but <br />an not —s ndy regulated by federal and state health spode . <br />Addidottstl Promotes— Wontation that troy also be of khmrat to our Nsfomrs. <br />TERMS AND <br />ABBREVIATIONS <br />The following glossary of d"Ini. <br />dons will help you understand <br />the terms and abbropol dons used <br />in this report. <br />Maalmum Contarniaant Leal <br />(MC4 TM highest level of a <br />tonominartc that is allowed 3n <br />drinking water. Primvy, MCL; <br />are Net as does to else PHGS (or <br />MCLGs) as is economic* and <br />tachnologitally feasible Secom <br />dory MCLa rs set to prong the <br />odor. taste, and appearance of <br />drinking wasr. <br />Madmurre Contamkmat Laval <br />Goal (14CLG): TM kevsi of a <br />contaminant in drinking waver <br />below which afire ls no known <br />or expected risk to health. <br />MCLGs an Nat by the USEPA. <br />Public Health Goal (INHG - <br />The, level of a contan+ina t In <br />drinking water below which <br />dhre I. no known or expected <br />risk to hstahh. PHGs are set by <br />the California EnvkonmenW <br />Protection Agency. <br />Maximum Residual Disinfec- <br />tant Level (MRDL): The [steel <br />of a disinfectant added for water <br />treatnent that may, not be ex- <br />Goaded at the wnsumtr s tap. <br />Maxlmtam Residual Ohinfee- <br />tamt Led Goal (MROLGy- <br />That 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 />Primary DrMgdng Water, <br />standard (►DWS): The MCU <br />and MRDLs for consemimnta tut <br />all*" he" along with their <br />emonkoring and reporting require - <br />smartest. and ware troeonenc <br />mqu[rernmu. <br />Trwtmaeat Technique (TT): <br />A required protests ntsnded to <br />reduce the Waal of a contaminant <br />in drinking waste. <br />Regulatory Acton Leak. The <br />mncentr'aoon of a conto nihant <br />which. If exceeded, triggers treat. <br />them or other mquiratrtents taut <br />a war syatam roust follow. The <br />adjacent table her date — the <br />levels of regulated contamnant: <br />tat wore detected in our water <br />supply from pnuary 1 through <br />Decembor 31.2007. The pre► <br />once of these contaminants in the <br />drinking water does not neceoar. <br />dy Indicate that the watt, pose a <br />health risk. <br />0 20% Post- Consumer Wash <br />Additional oblammums wed below <br />Al: aggressnaneu index <br />AL- action IwW <br />CFU: Colony- 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 />oaslonar problutm en el ague potable <br />Normm Soctardrla —Nmros esaiticas (no reboonada con Is salud) qw pwden <br />-- olor, sabor o problems do apatto on of .0. potable. <br />Pw*nwm Ne Reguladm-- bdormed6n sobs eietnenoos "son caaoladoe <br />pre que no ortkh acmtrrrha rop"Niaa par In a(rri de aksd Isdaraies y del eased. <br />Prin ocm Adkkutakw— Mornud6n adoond qw puce darer a nuuvo rinbea <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 wrbidity unit- <br />. rruature of wspended mauri d in water <br />pC3fL- picocuries per titer (a measure of radioactivity) <br />PHG: Publa Health Goal <br />pPb p+RS W b9Etn, or trac,ogra s per ikor (utfl) <br />pp— parts per million, or -INS xn pr Near (mg/L) <br />Primary Standards - Mandatory Health- Related Standards <br />NA ( NA (ND-0.3 I 0.1 I NO <br />NO jNa,taN parent n the nrkannreant <br />75A-21 <br />23 . 2.3 <br />of natural depots runoff I- <br />(ppbl <br />IO <br />0.004 <br />NO - 28 <br />Highe tt RM <br />NO 3r0 <br />0.55 <br />I E—ion <br />—her <br />—har dy gb.. and elattremltt produetien <br />Bream (ppb) <br />I D00 <br />2 D00 <br />NO - 140 <br />110 <br />NO - I Sib D <br />194 <br />Oland metal relneres dschargac ­1 <br />nuorwe (ppm) <br />2 <br />1 <br />0.2 - OA <br />0.3 <br />0.17 - OS3 <br />034 <br />Embe of A,ml depoeec discharge from <br />rirrlde (p, <br />T <br />(<) <br />I <br />0.4- I D <br />02 <br />NA <br />NA <br />Water N ld'cke for dermal heath <br />Nine far NO3 No.I <br />4S <br />45 <br />NO .0.4 <br />1 NO <br />I NO - 37 6 <br />1 1021 <br />Run.0 and 1—hng ham fatdar eta <br />bchirt ham am"k tans. and .—a. <br />Nitrate and Ntrae <br />10 <br />10 <br />NO <br />NO <br />1413-115. <br />2-44 <br />to N <br />roion of natural dapmks <br />Selnirm (ppb) <br />SO <br />(5D) <br />NO <br />NO <br />N0. <br />NR <br />0.afneeieA mne� and <hrrniul watt. <br />Bach rvnafl <br />SPECIAL EDUCATIONAL STATEMENT REGARDING NITRATE: Nina I«eh tray 6. qukkly nor short periods d tine bra.. d ranhl or <br />agric.kunl activity. Ntrae in drinking water at I—IN Awe 4S mgrs is a heath tak for idam of io thw kk nan[ht of age. Such nitrate Wok n drnkng <br />water <n intrfen with the capacity of the nfnts blood to carry oxygn, rewkng n a serious Asest ry.,pt— m6de rhe-- of breath and blunea d <br />the sl n. Nitrate bvek abwa 4S oWt rnty ako affrt the ability of the blood to carry o.ygn n other indkiduak ouch as pregnant women and thoas with <br />cman >pwr enzyme defkienciat If you an uring for an Whet. you nhould ant a&v horn your health tare prwidr. <br />(a) The [urbYry Mal d the Rand water dwl be Imo than or equal to 0.3 NTU n 9S% of the rnsam ents taken each month and has not exceed I NTU <br />at any rim. The avenge. and ranges I turbidity nh— a the Secndary Standard. wee based on the [romawt plant d%-L <br />(b) The State required sew water coBlorm nwnito ing for at treatment plants bgnnmg Marh 2008. Reporting bvd is I CMNI00m1 for total coliom red E. <br />(c) Data for the mangy - catering IlUmide were taken before the fluoridation rasurnnt bpn. Fluoridation tray— d watr wpplr at A fps MWD <br />tmn[ planta —ad seq. —derby from O.Ar 29, 2007 to Orenbw 3. 2007. Metropokan war n coopianca with aN vra.arern s of the States <br />Noridation System 0.SRUIrs en[s <br />.L <br />Internal c--n d household <br />C 0.3 NO <br />ND 019 <br />0 1 I9 plumbng kyxern: -4- d natenl <br />dnpo.it4 Imchng Prom wood <br />I-raal c—io n d household <br />02 ND <br />NO ND <br />0 119 pWrbing Manc� endon of tnaetral <br />depoiec dschrgr frorn ndurtal <br />—hadanvsa <br />Merhyl.tert- Lealuhg underground S .aka <br />storage tans. red pipskner: <br />S I3 NO NO ND -3.40 IA9 <br />dscharge non pat-i —red <br />{MTBEI Ip ►b) <br />JMTBE)(p <br /><hemiulfartorw. <br />Total 80 <br />NA 12 - 8a I c <br />41 <br />NO - S91 (d) <br />18.1 By- product d drenkn wa[ <br />Hakacti Acids 60 <br />NA <br />NO - 20.t d <br />5.7 By- prod.. d drinking war <br />Teal Chlorine (4( <br />(4) 11 .29 <br />25 <br />0.42.0.79 <br />0.b7 Orinldnt water 4i-f—, added <br />0.etidu I <br />Iw tmen <br />(d) The Stage 2 Dinlrtantn/Danbttion 87- Produce (131138P) Rub'. IDSE was conducted be-- Apd 2007 and March 2009 for tool [rdwbrrne[Anes <br />(TTHM,) std haioacrd accts (HAASI n conp -ton with S.C. I DDBP Rub's conpfence mantomg. M TTHM red HAAS •slur fern the 191DSE <br />hpecfx arryk. were with. the range (rarer r.p.,tm ter 11.r okan'n dut,b. lion Y.- Inromwtion on then. _Mee is awlaab.p- req.— from <br />the Meu opokm Water District of Swthrn CAN- <br />) The Sage 2 Danfecta ,VDklnfxtbn By- Products (0,08P) 0.ukY IDSE was conduced between Nwewbr 2007 and Augux 2009 Ir total <br />triha loo-h —, (TTHM.) and hakncetc xd. (HAAS) n .jM ti with Stage I DIORP 0.ub', crrprome moncamg. AN TTHM and HAAS —6., hen <br />the 12 IDSE Tw: sarrpk. were within the —S. of -6., reported f— ,h. Cky d Santa Mi. dkrkutim c7a°tt <br />75A-21 <br />