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THE FOUR TERMS TO EXAMINE: <br />Primary Standars— MaMatory Haaldl-Rahtad Standards that nw cause haddh <br />problema in drwhleng water. <br />Secondary Standards— Aerthedc Standards (nata haadds mistad) that could cause <br />odor, tab, w appwanea proElrre in drbildng water. <br />Unregulated ►rrttatre— inlormadon about ccntatNnanve cat an monitored but <br />are rot currently regulated by federal and state haakh agancl . <br />Additional ►arrneees— Infwmadat that may also be of i—, to our cusromnes. <br />TERMS AND <br />ABBREVIATIONS <br />The ftsEowing glossary of defili- <br />done will help you understand <br />the owns and abbreadedons used <br />in this report <br />MaArnum Contambavat Level <br />(MCL )- . The high level of a <br />connmmars that le allowed in <br />drinking wax. Primary MCU <br />an set as close to the PHGs (or <br />MCLGs) as Is sconomicaly and <br />tether dagimy feasble secon- <br />dary MCL. an sat to Protect the <br />odor. tam. and appearance of <br />drinking water. <br />MaAmium Contaminant Level <br />Goal (MCLG). The level of a <br />camoi ektant le drW ft warn <br />below which tare it tats known <br />or expected risk w hedtn. <br />MCLGs an to by de USEPA. <br />Public Health Goal (PHG): <br />The level of a contaminant in <br />drint" water blow which <br />this IS too known w sapecrsd <br />risk to health. PHGs an set by <br />the California Environmental <br />Protection Agency. <br />Maximums Residual Disinfec. <br />tant Lend (MRDL): The level <br />of a dhinhctant added for water <br />treatment Chat may not be m- <br />caeded at the mssum-'s tap. <br />Maximum Residual OleitJec. <br />tattt Level Goal (MRDLG} <br />The level of a dldnkconc added <br />for water treatment below which <br />then is no known or expected <br />risk to health, MRDLGs are set <br />by the USEPA.. <br />Primary Driddng Wawa <br />Standard (PDWS): The MCLA <br />and MRDU for conta idnana that <br />affect health along with Chair <br />motdtorieg and reporting reyttfra- <br />manm, and water trsaemett <br />regnienallta. <br />Trwtsrront Teschnigw (Ti): <br />A required proem intended to <br />reduce CM level *F& ccntarrinent <br />In drinking water. <br />Regulatory Action Levak The <br />concentration of a contaminant <br />which, If eacceeded. triggers oest- <br />men or ether, f*"I trhama tat <br />a watt 3yttam Roust fall— The <br />adjacent table Parts dam on the <br />levek d regulated tonnmitants <br />Chat writ detected In our wur <br />supply from peaty I through <br />Dec.mber 31, 2007. The pres- <br />ence of thus. contamwnta in the <br />drinking water don not neater- <br />fly indicate that the water poses a <br />Male[ rink <br />0 20% Post- Cormmw Waft <br />LOS CUATRO TERMINOS QUE DEBEMM EXAMINAR: <br />Normas Peimarfaa —Las ncrrrot o66►ttnrhat rah6cinadet can bi salud qw pt adet <br />omlaaar probfetnes en el .lira potable. <br />Normal Secundarfaa —Names aaWioc (no rdad raidaa con I shut) qw ptteden <br />causer olor, labor o probMnaa de aspecto an all ague potable. <br />Par nstros NsReguladw- 44onrod6n sobrs akenemos quo son mtadados <br />pro q e no sa hn s[eobnrtt i regJadi s por la agrt I de taitd loderslea y dal redo <br />Pariralbaf Ailkionalaa-- Inkiniaadd6n iddaraal qe, pYada imareaar a rNYQaa da1eL <br />WATER QUALITY DATA <br />Additional obbrewdons used below: <br />AI: aWassivenas index ND: hoc detectable at tooting Wirt pCVL- picotwiat pr liver (a measure of radioactivity) <br />AL action I-al NL• notification level PHG: Public Haahh Gad <br />CFU: C.1—y- Forming lhva NR: not r.giA d ppb: parts per billion. ter micrvjnms per Otter (url.) <br />MFL• million fib— per live NS: no standard ppm: parts per rnllion, r nilli rams pr lint (mRl) <br />NA: not applicable NTU: naphelorneo-k turbidity w[iet- <br />a rtnaaWe Of suspandd material in water <br />Primary Standards - Mandatory Health- Ildated Standards <br />NA I NA I NO.03 1 0.1 1 NO I NO INatutaay ptaant e. the rvbernant <br />7 5A -15 <br />21 • 2J <br />Etosbn d mtunl dyostc snit t- <br />N>anr iPPb3 <br />10 <br />OA04 <br />ND-2.11 <br />High- RAA <br />ND • 3.0 <br />0.55 <br />nrt 1 glass and .lactanr, production <br />+•art <br />Brb.n(Ppb) <br />IDW <br />2A00 <br />NO -140 <br />110 <br />NO - ISIA <br />19.4 <br />Oi and nnd,.r— dbdamger mntunl <br />Ruend. (Mod <br />2 <br />1 <br />01 - 0A <br />0.3 <br />0.17 •013 <br />0.34 <br />Easion d natural dgove dnwharg.fn— <br />f4ueride (PP-) <br />OD <br />NA <br />NA <br />VJaer aAd' ter domed halth <br />Neva (as NO3 Pond <br />45 <br />1 45 <br />1 NO - 0.4 <br />NO <br />NO - 376 <br />108 <br />RaeoR and leaching konfxder term <br />I.chng bon [qtr tame and sewage <br />Niraca and Nance <br />10 <br />10 <br />NO <br />NO <br />NO - BSO <br />2.H <br />fas N <br />rrbn d natura l d aria <br />Selenium (ppb) <br />SO <br />(SO) <br />I NO <br />NO <br />NR <br />NR <br />Rl rim, mn.n, and <heretal wars <br />h <br />SPECIAL EOLK- AT10MAL STATEMENT REGARDING NITRATE: Nano I.& may nt. quickly for short period, of cane bauuse d nidal r <br />agricultural acsirey. Nitrate ie drinking water u lark above 4S nqk b a heath rink far nfama of has than sou months of age. Such estate levels in drinking <br />witr can marfere with [ha capacity of the inlet s blood to carry exygai, riou king n a serious dnesc symicono include thortneas of breath and bkteaeas of <br />the den. Nanta kvea above 45 nVIL may Aeo diet the ab3ry of he blood ,o carry oxygen n oho, ndiiJuak at,h as prep— women and then with <br />ten q.ik m.y —dalki —its If you — raring (ran nhnt you dnould ark advk. from your halth can p—Wr. <br />its) The turbidity bvd d the litred war sal ba leas than r equal to 0.3 NTU in 9575.f W e maisunm.nss taken itch month and that - -,ad I NTU <br />at any tins Tha avenges and nngea d curbiday shown in ehe Saeondary Stndards wan bard an tea tratmwet plan[ dlluanc <br />(b) The ken required taw waxer <of3ann monitoring Ir al ueatmnt pane beginning Match 1008. Reponng land e I VU100i t fr total coaorm and E. <br />(c) O.0 frth..— reify -oc -ring fluent. were taken bell— the Rntid.d...aeon, began. Runridation crounnen, d water wpplaa al fire MWD <br />trat-vic pbnts s[atd mqumth* from October 29.2007 to Decerer 3, 2007. Metropolitan was n co pibnce with at prwaonsof [he Sum's <br />0.uridadon Sy.— R qui, —.- <br />Im.rmi caa,bn d hws.hoM <br />Copper (pp-) M =11 NO <br />NO 0.19 <br />0 119 pbmbng tyf1f16'r°°°° d n.—I <br />dge.kc kacheig f— wood <br />.—,it- <br />LO.3 <br />Internal cortasfan d hove h id <br />Laid (ppb) AL0A15 NO <br />NO NO <br />0 119 pint :la/aamid. of moral <br />dgookc d.tharg a from nduerbl <br />nenulaturers <br />MeahyL rt- Larking underground gead"na <br />buryarhr 5 13 ND ND NO - 3,40 100 scrag, unk, and PVef • <br />(MTSE) (ppb) deeharge Man petroleum and <br />chanic.1facteri. <br />Total <br />80 NA II - td a <br />41 <br />ND - 59.9 (d <br />IB'1 By-product d cirbnkn water <br />H.Ioeckr Adds <br />60 NA I IA-311( a <br />13 <br />NO - 20.1 d <br />SJ Byprodnxt of drning wear <br />Tod Chheri.. <br />(41 (4) 1 I1.2.9 <br />IJ <br />A. <br />D-11,, wae dainfaran. added <br />R al <br />. <br />far carnet <br />(d) The S.C. 2 Dente ...WD sinf i tion gy- Prod -cs (DIDBPl Rua', IDSE was conduced between Apra 2007 and March 2008 for [owl «subrnetnenr <br />(TTHM.) and h.6 —attic acid, (HMS) in - P.ctbn with Sage I DIDBP Rule', cumplanc. —.—S. AN TTHM and HAAS -lu. from the 191DSE <br />grlc aurgko war, wahn the tang, d vahrer -ported far Mat".1tan's dinrbution ty.— Info ,k. on char. wph. a salable uPon -pees hem <br />the H— opakan Water Datne, of Seu,h— C.W—i. <br />(a) Th. Sage 2 Danf ctamr/Dknf —ion Bpfiivduca (DrDBPI Rule's IDSE was cwductd between Nwereber 2007 and Aug— 2008 far total <br />udnalonwthan.s (TTHM.) and habacet'x aids (HAAS) sa onry.ctun with Seaga I DIDSP R.W. earp6n-moneorng. AA TTHM and HMS rerun from <br />the 12 IDSE pacic w he we within 0—g, d rater rrprted for the Cty d Sant, Mat dktrbutian syrem <br />7 5A -15 <br />