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THE FOUR TERMS TO EXAMINE: Primary Standards— Mandatory Heaim- Related Standards rises -nay cause nealtn problems m drinkimg «are, Secondary Standards— Aesthouc Standards a n healrh- istedi that vvld vase odor taste . or appearance problem. dnnkmg «are, Unregulated Parameters— loformaoun about :onomwms rnat are mond.ored pa, are not currendy regulated by federal and sole aeanh age r- Additional Parameters - 44.1maaon that may also be if .terns, r customers e .:s(i7d v nt Ceq_l�tninaet L�WN '. rAaalll)rlarit a etfnrrt water below wbide titers k3 re Insole or expected'rbk to heahh. : MI LGs are set by site USEPA- Public Hadth Gast (PNGr The level of a contaninnt In drinking water below which there Is no known or mpected risk to hesitls PHGs are get by the California EmrFarnhenal Protection Agency. Maximum Residual Disinfec- tant Level (MRDLk The level of a disinfectant added for water vaeanem: that may not be ex- ceded at the consumers tap. Maaclmtxm Residual Disinfec. rant Level Goel (MRDLG): The level of a disinfectant added for water treatment below which there is no it or expected risk to health. MRDLGs are set by the USEPA. Primary Drinking Water Standard (POWS): The MCLs and MRDLs for contaminants that affect health along with their monitoring and reporting require• meats. and water treatment requirements. Treatment Technique (TT): A required process intended to reduce the level of a contaminant in drinking water Regulatory Action Level: The concentration of a contaminant which, 0 exceeded, triggers ..— ment or other requirements that A water system must follow. The adjacent table lists dam on the levels of regulated conamnants that were detected in our water supply from January I through December-31.2011 The pros. ence of these contaminants in the drinking water does not necessan ily indicate that the water poses a health risk. ei 20% Post - Consumer Waste LOS CUATRO TERMINOS QUE DEBEMOS EXAMINAR: Normas Primaries —Las normal obbgar —as aiacloruclas :on �a salad que poeden ocasionar Drool— en al agua potable. Normas Secundartae— Normas astenus n ,eucdonodis con 'a sarud, qua pueden outer Nor labor , ?roblem.as de aspec[o m al agua potable Param.w., NwRegulados— Informaaon sobre allsontm s qua son ccnvdados per, rye no as— a ... Inven,e regulados por lax agencies de salad del estado Parametros Adk3onales— kdormicibn ackc —al rye puede mmresar a nuesvras Ike WATER QUALITY DATA Primary Standards — Mandatory Health - Related Standards 1omonee army emosm 03 NA Highest 007 NR NR Sod runoff Turbidhy INTO) CoanbaeJ Fdar Elgism, I 9S(a) NA I X <03 100 NR NR Sol runoff Turbid Turbidity. h a measure of the knideuss of the water It a — .,.red m our ouberted racer source because s s a good ndicaror of the dfecove- 'oral Ce(b) NA NA NO 0.1 NO NO NO Naturally oresenc m the rnvronment pacana tbl Natural Uranium ipCULI 20 0A3 2 NO-102 3.73 jEronarchn of natural deposits NO NO 0.19 0 119 plumbing systems; erosion of natural Eroswn of natural dap-- rvndf ni Arsec (ppbl 10 0004 NO NO ND-26 0.26 from orchard,, gists and aWcro Internal corrosion of household Lead (pub) AL= IS 0.2 roduction wastes larilan (ppb) 1.000 2.000 NO NO ND - 136 17,6 Oil and meal refliierrs discharge: deposits dxharps from Industrial saw uhcte _ natural deposits erosion FluoMe tPPml 2 l NO - 0 3 0.16 0.17 . 0 S3 0.34 Eroon of natural deposits: discharge snfrom (natural «currn i feminer and aluminum fact to" Fluoride (ppan) reatmentn (c) OA NA NA Water add— for dental health Nitta has NO3 ,,pm) 4S 45 NO - D4 NO NO 333 1046 Runoff and leaching nom fertiliser—, disnf—ion Fla Adele [bathing from sepuc tanks and sewage: Nitrate and Motu 10 10 NO NO NO - 751 2AS erosme of ml drpouts at N 16.4 Total Chlorine Sehnum Ippb1 50 1501 NO NO ND NO liefnannin. mines, and chemxal wash 042 -11 0.9 jai it present, oleviad level* if lead can muse serious health problem, especialty for pregnant «maen and young children Lead in drinking water o plimaMy ?,,m u rols and components associated discharge. runoff SPECIAL EDUCATIONAL STATEMENT REGARDING NITRATE: Nitrate levels may rue quickly for short pentads clams because d r nhll or igra:ukural sc[way Nitrate in dnnkng water ac levels above 45 mg/L e a health risk for .farse of less than ,ix months of age. Such nitrate leveh .n drinking water can ncerfere «rah he capaory of the infant's blood to carry oxygen, rewl ng m a serious dines.. syo pmms ..kid. shwnnass pf breath and blueness pf cif skin. Nana levels above 45 mgfL may also affect Ne sbiliq of the blood m carry oxygen a other mdi ilu ds, such u praphahr women and sow with tartan specifk eneyrse deli —mis. It you to anng for an .fart. you should ask advice from your health care crchder Ia) The urb.d,,y level ul the 6kerod water than be less than or equal to 0.3 NTU �n 9S% of the measurements taken each month and shall not exceed I NTU at any cone. The avenges and ranges of turb.d.q shown in the Secondary Standards were based on the treatment plant effluent IIll The Since required raw water coklorm monnonm3 for ill craaunenc plants beginning March 2008 Reporting level n I CF1.1710Um1 for total cola orm and E. cob (c) Oat a for Use Ast—Ify-occumirg fluoride were taken before the fluoridation treatment began. Fluoride— treatment of avatar supplies it Al No MWD treatment punts sorted sequentally from October 29. 2007 co Decemeer 3. 2007 Mem000lkan was n compliance with all xowsipns of the Suns, Fluordauon System Requirements. 75A -32 Internal corrosion of household Copper tppml AL = 1 3 (11 NO NO 0.19 0 119 plumbing systems; erosion of natural deposes; hatching from wood Iron—mm. Internal corrosion of household Lead (pub) AL= IS 0.2 NO ND NO 0 119 epkn dmb rld deposits dxharps from Industrial saw uhcte _ - Leaking underground gasoline storage Mnhyl- tort Mathyln rt-b 5 3 ND NO NO NO tanks and ppefin discharge from i petroleum and chemical f—cs —, Toni Trihabmathanes 20.5 ply- product of dnnkmg water 80 NA 37 66 52 NO 59.6 1TTHM) I bl disnf—ion Fla Adele d ddnking wear 60 ill (pp NA IS-13 23 NO - 453 16.4 Total Chlorine Onnkmg «aver dames am, added bar i1ireatmrm Residual ippml 1401 [4.01 13.2.8 23 042 -11 0.9 jai it present, oleviad level* if lead can muse serious health problem, especialty for pregnant «maen and young children Lead in drinking water o plimaMy ?,,m u rols and components associated «nh service lines and home plumemg The City of Santa 4na is responsible lot providing high quality drinking «ear. h., cannot .m,.i the variety of nucerah used n plumbing componeou. When your wool, has been sitting for several hours. you -an mnirrete the potshnal for lead exposure by hushing your tap for 30 seconds to 2 mor u[es before uvng «acor for drinking ar cooking if you corned about lead o your «,tar...shot methods, and tteps yno can take to main uit exposare is available from rho Sale Drinking Water Hotfin or a[ lamp.' wvrw ep.g— Wal— its, 'lead. 75A -32