2010Bn Bo CoCht Lng

Nc

BN QUNG CO CUC THI GII NHT S BO TN NC NM 2010(n V Cc Dch V V Nc Ca Thnh Ph Garden Grove)

Bn Bo Co Cht LngNc Nm 2010 Ca Qu V

Cht Lng Nc Ung

T nm 1990, cc ngnh phc v nc ca tiu bang Californiatng cung cp Bn Bo Co Cht Lng nc hng nm cho cckhch hng ca h. Bn bo co trong nm nay c bao gm s thnghim cht lng nc ca nm 2008, v chun b cho ph hpvi nhng iu l c yu cu nm 1996 thng li o Lut An TonNc Ung. S cho php li i hi C Quan Bo V Mi Trngca Hoa K (United States Environmental Protection Agency)(USEPA) vi s cp nht v lm vng mnh thm v quy nh cachng trnh vi nc.

C Quan Bo V MiTrng ca Hoa K(USEPA) v B Y T CngCng ca California (CDPH)l nhng c quan c trchnhim em li cht lngnc ung theo ng tiuchun. C Quan Qun LThc Phm v Dc Phm(FDA) t nhng iu quynh cho nc vo chai.

Thnh Ph Garden Grovert thn trng bo v s anton cung cp nc, v nhtrong nhng nm qua khi ncc a n nh qu v uphi tiu chun i hi docc c quan quy nh ca tiu bang v lin bang. Trong vi trnghp Thnh Ph cn i xa hn na nhng g quy nh bng cchth nghim cht gy nhim c th mang li ri ro n sc khe.

Theo di n nhng cht gy nhim cha c kim sot gipC Quan Bo V Mi Trng ca Hoa K (USEPA) xc nh ccc nhim xy ra ni no v c nn hay khng cn thit lp lutquy nh cho cc cht gy nhim .

Bao MinhNhu Tran, thng gii nht ca nm2010 cuc ng thi ca Mrs. Crawfords,lp 3, Crosby, trng tiu hc.

S la chn ca Th Tr

ngS la chn c

a Th Trng

Thng tin v bn bo co ny, hoc hu ht cht lng v nc caqu v, vui lng lin lc Zachary Barret, Gim St Vin v Cht LngNc, hoc Cel Pasillas hoc Millie Castellanos-Rodriguez, ChuynVin Cht Lng Nc, s (714)741-5395.

Nhng bui hp ca Cng Cng ca Hi ng Thnh Ph c t chcvo ngy th Ba, tun th hai v tun th t ca mi thng lc 6:45 chiu,trong phng hp ca Hi ng Thnh Ph ti Trung Tm Hi Ngh Cngng, 11300 Stanford Avenue, Garden Grove, California. Qu v c th linlc n Th K Vn Phng ca Thnh Ph, Garden Grove City Hall, 11222Acacia Parkway, Garden Grove, CA 92840 hoc go s (714)741-5040 v btc thng tin g lin quan n nhng bui hp ca Hi ng Thnh Ph.Xin vui lng tham gia vo nhng bui hp.

Nu mun bit thm thng tin v nhng nh hng sc khe ca cc s nhim nu trn trong bn di y, gi n C Quan Bo V Mi Trngca Hoa K (U.S. Environmental Protection Agency) s (800)426-4791ng dy nng.

Nhng Cu Hi v Nc ca Qu V ?Lin Lc chng ti c tr li

D n NcTiu Bang

Cng Dn NcSng Colorado

Data as of April 2010

Sacramento

Redding

Fresno

LosAngeles

OrangeCounty

SanDiego

SanFrancisco

Sacramento

Redding

Fresno

H Oroville47%

H Shasta85%

H Folsom58%

V nh Delta

H Ch a Don Pedro 81%

H Ch a Pine Flat58%

H Ch aSan Luis

84%

H Ch aDiamond Valley

47%

Nh ng M c Ch a c a Sng Colorado: H Powell: 56% H Mead: 44%

Gi tuytma ngv nhngma maxun ch tmthi lm du cng hn hn ca tiubang California.Gim bt nhng snh v nc c kthp vi kh nng p t vmi trng hn ch bm nct D An Nc ca Min BcCalifornia tip tc nh hngn s cung cp nc ca Min NamCalifornia. S bo tn nc, c hai,trong nh v ngoi tri, cha bao gi quantrng hn.

Nhng Ngun V S Cung Cp

Nc ung ca qu v c pha trn phn ln l t nc ngmt 12 ging nc ca vnh nc ngm ca Qun Cam v tngnc mt c nhp khu bi Khu Nc Metropolitan, min NamCalifornia. Nhng ngun nc c nhp khu do Metropolitanc pha trn vi nc ca Tiu Bang, d n nc t min Bc,California v t Cng Dn Nc dng sng Colorado (ColoradoRiver Aqueduct). Nc ngm ca qu vl t ngun nc thin nhin dui mtt c Khu Nc Qun Cam qun l,ko di t p Prado (Prado Dam) vngang qua mt phn vng ty bc caQun Cam, tr vng a phng Brea vLa Habra, v ko di xa n vng minnam nh El Toro Y.

Nm trc, nh nhng nm qua,nc vi ca qu v tiu chun caC Quan Bo V Mi Trng ca Hoa K(USEPA) v nc theo tiu chun y tTiu Bang. Thnh Ph Garden Grove rtthn trng bo v s an ton cung cp nc v mt ln na, chngti hnh din bo co rng h thng ca chng ti cha bao gi viphm n s nhim trn cp bc cc hay bt c tiu chun vcht lng ca cc loi nc khc. Tp qung co ny l hnh nhv cht lng nc ca nm va qua. Bao gm tt ch nhng chitit nhng ngun nc n t u, cha ng nhng g, v so snhth no vi cc Tiu Chun ca Tiu Bang v Lin Bang

Thng Tin Cn Bn V NhngCht Gy Nhim Nc Ung

Cc ngun gc ca nc ung (c hai nc vi v nc chai)bao gm nc sng, h, dng sui, ao, h cha, sui v ging.Nh nc chy ngoi mt ca t lin hay qua tng lp ca mtt, ha tan t nhin tr thnh khong cht v, trong vi trnghp, cht phng x c th nht c nhng cht do kt qu t s

c mt ca ng vt v hot ngcon ngi.

Nhng cht gy nhim c thhin din trong nc ngun gm: Nhng nhim vi khun, nh cc

vi rt, vi khun, c th t cc nhmy nghin cu cht thi, h thng

cht gy thi, qu trnh hotng nng nghip th nui

v ng vt hoang d.

Nhng vt v c gy nhim, nh mui v kimloi, c th do vic t nhin xut hin hay ktqu t cn bo tr li th, cng nghip haynhng s bc d nc cng trong ni a, duhoc s sn xut hi t, khai m v ngh nngtri.

Nhng cht gy nhim phng x, c th xyra cch t nhin hoc do kt qu ca du v ssn xut hi t hoc nhng hot ng khai m.

Thuc tr su v thuc dit c, c th n tnhiu ngun gc khc nhau nh nng nghip,nc bo tr li ca thnh th v s s dng cakhu dn c.

S gy nhim do ha hchu c, bao gm cht tnghp v nhng ha cht hu cd bay hi, l sn phmca qu trnh cng nghip vsn xut du m, cng c thn t nhng trm xng, ncbo tr li ca thnh th, ngdng nng nghip v h thngnhim khun.

bo m s an ton khiung nc vi, C Quan Bo V Mi Trng ca Hoa K (USEPA)v B Y T Cng Cng ca California (CDPH) ch nh iu chnhquy lut gii hn gy nhim trong nc do h thng nc cngcng, Nhng quy nh do B Y T CngCng ca California (CDPH). Cngthit lp nhng gii hn v cccht gy nhim trong ncchai phi cung cp s bo vnh nhau v v sinh cho cngcng. Nc ung, bao gmnc c vo chai, c khnng cha ng s lng nhcht gy nhim, s hin dinca cc cht gy nhim khng cnthit mang li s nguy him cho sckhe. Thm thng tin v s gy nhim v tim nng cc hiu ngsc khe c th c bit thm bng cch gi in thoi cho CQuan Bo V Mi Trng ca Hoa K(USEPA) s (800)426-4791.

Florua TrongNc Ung

Florua c thm vo nhngcung cp nc ung ti Hoa Kt nm 1945 trong 50 cc thnh phln nht Hoa K, thm 43 floruanc ung ca h. Trong nm2007, Khu Nc QunMetropolitan Nam California tham gia mt phn ln vi nh cung cp nc cng cng ca qucgia b sung florua vo nc ung phng nga su rng. Ph hpvi ngh ca B Y T Cng Cng ca California (CDPH) cngnh Trung Tm Kim Sot v Ngn Nga Bnh ca Hoa K ,

Metropolitan iu chnh mc florua tnhin cho nc c nhp khu t sngColorado v cc d n nc vo phm vi tiu cho sc khe ca rng t 0.7 n 1.3phn triu. Nc a phng chng takhng phi do b sung vi florua. Floruatrong nc ung c gii hn theo quynh ca tiu bang California vi liu dngmc ti a 2 phn triu.

Thng Tin Cho Qu VS kh Trng: Nc c cung cp doThnh ph Garden Grove c cha ng cht

ha hc clorine dng kh trng v cht ha hc chloraminesdng bi Khu Nc Qun Metropolitan, cng vi mc ch khtrng. Cc khch hng ang lc mu thn, nn tham kho vi bcs ca h.

C v cc ng Vt: Nu qu v c c hay cc ng vt, nnloi b bt c cht ha hc chloramines v chlorine trc khi thaync, nh, khi cho bnh nc ung ng s khng xa b i chtha hc chloramines. Nn tham kho kho b nui c a phng vnhng sn phm s c loi b nhng cht kh trng.

Bnh un Nc Nng: Nhiu mi hi c th pht hin ra tbnh un nc nng ca cnnh, hy nh lm theo shng dn ca nh sn xut vdi sch nc trong bnh unnc nng thng xuyn. iuny s lm di sch tt cnhng cht bn tch ly,cung cp nc tt doanh thu ti a ha cht lng nc, vgip gi cho n v c hotng tt.

Mc ch S Dng v Ccn V Lc: Phi thn trng trong vic thay i hoc lm schbt c b lc, hoc nhng n v trong nh ca qu v. Lun lunlm theo nhng hng dn ca nh sn xut. Nh l nc ch schnh b lc cho php. Khng duy tr b lc ng cch c th lmcht lng nc rt xu.

Tm Vi & Tm Chu: 8%

Qun o & Cc My Git: 9%

Nhng Cu V Sinh: 11%

Nhng My Ra Bt a: 1%

Lm p Phong Cnh: 58%

Nhng L Thng: 7%

Nhng Vi Nc: 6%

Lm p Phong Cnh: 58%

Khu Dn C Qun Cam S Dng Nc Nh Th NoTi nhng bi c v nhngvn ngoi tri tn khong 60%nc c s dng. Nhng ctgim ti nc ngoi tri xungkhong 1 hoc 2 ngy mt tun,qu v s gim i ton b mc sdng nc mt cch ng k.

Vo mng www.bewaterwise.com bit thm nhng mo nh v kin s dng cho nh v c sca qu v.

Nhng iu Qu V Cn Bit V Nc Ca Mnh, v nh Hng Th No Cho Qu V.

Ngi Suy Gim Min DchMt s ngi d b tn thng do cht nhim trong

nc ung hn ton th dn chng. Ngi suy gim mindch, l nhng ngi bnh ung th ang cha tr ha hc,nhng ngi ghp cc b phn trong c th, ngibnh HIV/AIDS hoc ri lon h min dch, Mt sngi cao tui v tr s sinh c bit c nguy c nhimkhun. Nhng ngi ny nn nh n s c vn vingi chm sc sc khe ca h v nc ung.

Vi Trng Sng nC quan bo v mi trng ca Hoa K v trung tm

kim sot bnh dch lin bang, nguyn tc l ch tmthch hp lm gim i nguy c v struyn nhim bi Vi Trng Sng n vnhng cht gy nhim vi trng khc,c c sn ng dy gi nng cho ncung an ton ca C Quan Bo V MiTrng ca Hoa K(USEPA) s (800)426-4791 t 9 gi sng v 5 gi chiu(gimin ng). (6 gi sng ti 2 gi chiu,gi California).

T VnKh Radon

Kh Radon l mt khphng x m qu v khngth nhn thy, v gic, hayngi. N c tm thy trnkhp Hoa K, kh Radonc th di chuyn ln mtt v vo nh t ni rnnt v cc l trong nn mng. Kh Radon c th tchlu ln n mc rt cao trong tt c cc loi nh.Kh Radon cng c th vo trong nh khi khng khthot ra t vi nc tm hoa sen, ra chn, v cc hotng gia nh. Th khng kh c cha Radon c th sdn n ung th phi. Ung nc c cha ng Radonc th lm tng nguy c ung th d dy. So snh viRadon vo nh t cn b, radon vo nh qu v tnc vi ch l mt ngun nh c radon trong khng

kh trong nh. Mc hot ng ca CQuan Bo V Mi Trung ca Hoa K(USEPA) cho khng kh trong nhl 4.0 picocuri mi lt. Radontrong nc vi ca qu v nggp khng hn 0.1 picouri mtlt cho khng kh trong nh quv. Nu qu v quan tm v radontrong nh ca qu v, th nghimkhng kh trong nh ca qu v.

Hy sa li cn nh ca qu v nu mc radon 4picouri mi lt khng kh hoc cao hn. C nhiucch n gin khc nhau sa v vn radon mkhng phi tn km nhiu.

Thm thng tin, xin gi cho chng trnh Radonca Tiu Bang (1-800-745-7236), ng Dy NngNc Ung EPA (1-800-426-4791), hoc ngDy Nng Randon Hi ng An Ton Quc Gia(1-800-SOS-RADON).

Mi Quan Tm u TinCa Chng Ti L ChtLng Nc Ca Qu V

Nhng Tiu Chun Cht Lng Nc L G?Nhng tiu chun nc ung c thit lp bi C Quan BoV Mi Trng ca Hoa K (USEPA) v B Y T Cng Cngca California (CDHP) t nhng gii hn nhng cht m cth nh hng n sc khe ngi tiu th hay cht lngthm m ca nc ung. Biu trong bo co ny cho thycc loi nc c cht lng ng cc tiu chun:

Mc Ti a Cht Nhim (MCL): Mc cao nht ca cht nhim c cho php vo nc ung. MCL chnh ct nh PHG v mt kinh t v c tnh cch k thut kh thi.

Mc Ty U Ti a (MRDL): Mc cao nht ca cht khtrng c cho php trong nc ung. S chng minh cthuyt phc rng vic b sung cc cht kh trng l cn thit kim sot nhng cht gy nhim vi khun.

Ch Yu L, MCL c t ra bo v mi, v gic v sc mt ca nc ung.

Tiu Chun u Tin Cho Nc Ung: MCL cho nhngcht gy nhim nh hng n sc khe cng vi s theodi v nhng yu cu thng bo v lm sch nc.

Mc Thi Hnh iu L (AL): S tp trung ca cht gy nhim, nu qu , s a n s iu tr hoc nhng nhu cukhc m h thng cp nc phi tun theo.

Nhng Cht Gy Nhim c oLng Nh Th No?Nc c th v xt nghim sut c nm. Cht gy nhimc o lng bng:

Mt phn triu (ppm) hoc milligrams cho mi lt (mg/1)

Mt phn t (ppb) hoc micrgram cho mi lt (ug/1)

Mt phn trn mt t t (ppt) hoc nanograms cho mi lt (ng/1)

Mc Tiu Ca Cht Lng Nc L G?Ngoi nhng tiu chun bt buc v cht lng nc, C QuanBo V Mi Trng ca Hoa K (USEPA) v B Y T CngCng ca California (CDPH) t nguyn t mc tiu chtlng nc vi mt s cht gy nhim. Mc ch cht lngnc thng c t cp thp nh th nn khng thnhcng khi thi hnh v khng th o lng trc tip. Tuy vy, nhngmc ch ny l cung cp nhng bng ch dn v phng hnghu ch cho nhng thc hnh ca ban qun l nc. Biu trongbn bo co ny bao gm ba loi mc tiu cho cht lng nc.

Mc Tiu V Mc Gy Nhim Cc (MCLG): Mcgy nhim trong nc ung thp m khng c bit skhng gy nguy him cho sc khe.

Mc Tiu Mc Ty U Cc (MRDLG): Mc chtkh trng di y c bit khng c nguy him n sckhe. MRDLGs khng phn nh li ch ca vic s dng cccht kh trng hn ch nhng cht gy nhim vi khun.

Mc Tiu Y T Cng Cng (PHG): Mc gy nhim trongnc ung thp m khng c bit s khng gy nguyhim cho sc khe. Mc Tiu Y T Cng Cng (PHG) ct ra bi C Quan Bo V Mi Trng ca California.

Cht Lng Nc Ung ca Thnh Ph Garden Grove 2009Nc Ngm a Phng v Khu Vc Nc ca Metropolitan iu Tr Tng Nc Mt.

PHG S Lng Trung S Lng TrungBnh Phm Vi Vi Phm Ngun Tiu BiuHa Hc MCL (MCLG) Bnh Nc Ngm MWD c Nhp Khu Pht Hin MCL? Cht Gy Nhim

X Quang Th Nghim nm 2009

Phng X Alpha (pCi/L) 15 (0) 9.6 5.6 3.8 12 No S n Mn ca Nhng Cht ng Thin NhinPhng X Beta (pCi/L) 50 (0) NR 4.3 ND 6.4 No S Phn R Do Nhn To hoc Nhng Cht ng Thin NhinHa Hc Urani (pCi/L) 20 0.43 8.9 3.3 2.9 12 No S n Mn ca Nhng Cht ng Thin Nhin

Ha Cht V C Th Nghim 2009

Nhm (ppm) 1 0.6 ND 0.17 ND 0.23 No Qu Trnh iu Tr Cht Cn, Nhng Cht ng Thin NhinThch Tn (ppb) 10 0.004

V Cht Ch trong Nc Vi

Nu c, nhng mc ctng ln ca cht ch c th gy ranhng vn nghim trng chosc khe, c bit l cho ph nmang thai v tr con. Cht Chtrong nc ch yu n t ccnguyn liu v nhng thnh

phn lin quan n cc ngdy dch v v h thng ng nc

ti t gia. B Phn Dch V Ncca Garden Grove c trch nhim cung

cp nc ung cht lng cao, nhng khng th kimsot nhiu loi vt liu c s dng trong cc thnhphn h thng ng nc. Khinc ca qu v c yn lin tc trong vigi, qu v c thgim i tim nngca cht ch bngcch x vi ncca qu v trong 30giy n 2 pht trc

khi s dng nc ung hoc nu n. Nu bn quantm n cht ch trong nc, bn c th yu cu thnghim nc.

Thng tin v cht ch trong nc ung, phng phpth nghim, v nhng bin php qu v c th lm gim ti thiu s nh hng c sn t ng DyNng An Ton cho Nc Ung ti:www.epa.gov/safewater/lead.

Cho S An Ton ca Qu VThnh Ph Garden Grove lun lun quan tm

n s an ton ca cc c dn ca h. Hy lu rng c th c ngi gi lm Nhn Vin Dch VNc ca Thnh Ph c gng i vo bn trong nginh ca qu v. Nu bt c lc no, bt k ngino n ca ca qu v v tuyn b rng h lNhn Vin Dch V Nc ca Thnh Ph, vui lngyu cu cho xem th chng minh Thnh Ph ca

h. Lu tn trn th chng minh v hi nhucu nhim v ca h. Sau , cho h i bnngoi trong khi bn xc nhn rng h l ngilm vic cho Thnh Ph.Mt nhn vin lm vic cho Thnh Ph s ch

i trong khi bn xc nhn rng h ang lm

Nhp Khu (Metropolitan)Thm nh Nc

Trong thng 12 nm 2002, Khu Vc NcMetropolitan ca Min Nam California hon ttthm nh ngun nc ca sng Colorado vNhng S Cung Cp D n Nc ca Tiu Bang.Nhng s cung cp nc ca dng sng Coloradoc xem l c hi n s gii tr, thnh th, ncbo, s th ha ngy cng tng trong ngthy phn v nc thi. S Cung Cp Nc caTiu Bang c xem c hi n thnh th/ncbo , th vt hoang d, nng nghip, gii tr vnc thi. Qu v c th ly bn sao ca s thmnh nc bng cch lin lc in thoi nMetropolitan (213)217-6850.

S Thm nh Nc NgmS thm nh nhng ngun nc ung cho Khu

Vc Nhng Dch V Nc Thnh Ph GardenGrove c hon tt vo thng 12 nm 2002.Nhng ngun nc ngm c xem l rt hicho nhng hot ng sau y lin kt n nhngcht gy nhim c pht hin trong s cungcp nc: c bit nhng cht gy nhimtrong lng chim, di tch lch s v cc hot ngnng nghip, p dng phn bn, v cc cngvin. Nhng ngun nc ngm c xem l hinht cho nhng hot ng sau y khng linkt n nhng cht gy nhim c pht hin:c xc nhn do cc l thng nhng bn lutr ngm, my git kh, trm xng, ra hnh/in.

Bn sao v s nh gi c sn cho qu v tiB Y T Cng Cng ti, vn phng a Phng,Santa Ana, 28 Civic Center Plaza Room 325,Santa Ana, CA 92701. Qu v c th yu cumt bn nh gi tm tt, xin lin lc vi BPhn Cc Dch V Nc ca Thnh Ph GardenGrove ti s (714)741-5395.

Nhng S Thm nh Nc Ngun

nhim v hp php.Xin lu rng, trkhi bn sp tcho mt s kim trac ngi ca bn,khng c l do ti saonhn vin ca ThnhPh Garden Grovephi i vo nh caqu v.

chng minh shp php ca bnyu cu vo nh qu v, gi cho B Phn Dch Vnc Thnh Ph ti s (714)741-5395 hoc sCnh St Garden Grove ti s (714)741-5704. Hs xc nhn ngi ny c phi l mt Nhn VinThnh Ph trn nhim v hp php hay khng.

H Thng Phn Phi Nc c Cht Lng ca Thnh Ph Garden Grove nm 2009

S Kh Trng MCL S Lng Phm Vi Ca nhng Vi Phm Ngun Tiu BiuNhng Sn Phm (MRDL/MRDLG) Trung Bnh S Khm Ph MCL? ca Cht Gy Nhim

Tng S Trihalomethanes (ppb) 80 9.1 ND 58 No Kh Trng Clo Cho Nhng Sn Phm

Axit Haloacetic (ppb) 60 3.8 ND 27 No Kh Trng Clo Cho Nhng Sn Phm

S D Clo (ppm) (4 / 4) 0.8 0.2 2.6 No B Sung Cht Kh Trng iu Tr

Cht Lng Thm M

Cht c (ntu) 5* 0.2 0.1 0.3 No S n Mn ca Nhng Cht ng ThinNhin

Mi su a im trong h thng phn phi c th nghim hng ba thng mt ln cho tng s Trihalomethanes v Axt Haloacetic;ba mi ba a im c th nghim mi thng v mu sc, mi v nhng n v cht c, mu sc v mi cha c pht hin.MRDL = Mc Ty U Ti a; MRDLG = Mc Tiu Ty U Ti a; ntu = Nhng n v cht c Nephelometric; ND = khng c pht hin*Cht gy nhim c quy nh bi mt tiu chun ph thuc bo tr nhng cht lng thm m (v, mi, mu sc).

Nhng Mu Dng Vi Phm Ngun Tiu BiuCht Lng Vi Khun MCL MCLG Tnh Hng Thng Cao Nht MCL? ca Cht Gy Nhim

Tng S Vi Khun Dng Trc Khun Rut 5% 0 0.8% No S Hin Din T Nhin trong Mi Trng

Khng qu 5% s mu hng thng c th dng tnh cho tng s vi khun dng trc khun rut S xut hin lin tip 2 ln dng tnh ca tng s mu dng trc khun rut, mt trong s c cha phn trong dng trc khun rut/E. coli, to thnh mt s vi phm MCL cp tnh.

Nhng Mc Hot ng ca Ch v ng ti Nhng Vi Nc Ni C Ng.

Mc Hot ng Mc Tiu 90 Gi Tr Vt qu a im AL / Vi Phm Ngun Tiu Biu (AL) Sc Kho Phn V S Lng a im AL? ca Cht Gy Nhim

Ch (ppb) 15 0.2 ND