City of Chino is a large public water system in EPA region 9 that provides tap water for the 91710 zip codes. It has 31 facilities where the water supply was tested for 85 chemical contaminants that impact tap water quality and human health.
The maximum reported level of HAA5 (five regulated haloacetic acids) was 15.15 µg/L. The maximum reported level of Manganese was 1.8 µg/L. There were 2 contamintants found in the City of Chino water supply at levels that were above the minimum reporting level.
WFA Intertie
Surface Water (SW)Entry Point to Dist. SystemEntry Point to the Distribution System (EP)
WFA CONNECTION - TR 3610012-014WFEntry Point to the Distribution System (EP)
SAWPA Intertie
Ground Water (GW)Entry Point to Dist. SystemEntry Point to the Distribution System (EP)
RESERVOIR #3Entry Point to the Distribution System (EP)
Eastside Water Facility
Ground Water (GW)EWTF GAC InfluentEntry Point to the Distribution System (EP)
Benson Water Facility
Ground Water (GW)Benson GAC InfluentEntry Point to the Distribution System (EP)
Res. 3
Multiple Sources (MX)Entry Point to Dist. SystemEntry Point to the Distribution System (EP)
Res. 4
Multiple Sources (MX)Entry Point to Dist. SystemEntry Point to the Distribution System (EP)
Res. 5
Surface Water (SW)Entry Point to Dist. SystemEntry Point to the Distribution System (EP)
Res. 7
Ground Water (GW)Entry Point to Dist. SystemEntry Point to the Distribution System (EP)
DBP Site 1 - 11902 Central Ave
Multiple Sources (MX)DBP Site 1 - 11902 Central AveDistribution System (DS)
DBP Site 2 - 4624 Pilgrim Ct
Multiple Sources (MX)DBP Site 2 - 4624 Pilgrim CtDistribution System (DS)
DBP Site 3 - WFA
Surface Water (SW)DBP Site 3 - WFADistribution System (DS)
DBP Site 4 - 4857 Independence
Multiple Sources (MX)DBP Site 4 - 4857 IndependenceDistribution System (DS)
DBP Site 5 - 4136 Polk
Multiple Sources (MX)DBP Site 5 - 4136 PolkDistribution System (DS)
Site 6 - 5131 Franklin
Multiple Sources (MX)DBP Site 6 - 5131 FranklinDistribution System (DS)
DBP Site 7 - 11723 Yorba
Multiple Sources (MX)DBP Site 7 - 11723 YorbaDistribution System (DS)
DBP Site 8 - 13100 7th
Multiple Sources (MX)DBP Site 8 - 13100 7thDistribution System (DS)
Well 11
Ground Water (GW)EPTDS from Well 11Entry Point to the Distribution System (EP)
Distribution System
Surface Water (SW)DSMRT for WFAMaximum Residence Time (MR)
DSMRT for SAWPAMaximum Residence Time (MR)
Distribution System
Ground Water (GW)DSMRT for GW SitesMaximum Residence Time (MR)
WELL 04
Ground Water (GW)add ucmr sp nameEntry Point to the Distribution System (EP)
WELL 06
Ground Water (GW)add ucmr sp nameEntry Point to the Distribution System (EP)
WELL 04
Ground Water (GW)WELL 04 02S/08W-11L04SR (SR)
WELL 05
Ground Water (GW)WELL 05 01S/08W-35J01SR (SR)
WELL 06
Ground Water (GW)WELL 06 02S/08W-11M01Entry Point to the Distribution System (EP)
WELL 09
Ground Water (GW)WELL 09 01S/08W-35J03SR (SR)
WELL 10
Ground Water (GW)WELL 10 01S/08W-35C05SR (SR)
WELL 11
Ground Water (GW)WELL 11 02S/08W-06E01SR (SR)
WELL 12
Ground Water (GW)WELL 12 01S/08W-35C07SR (SR)
WELL 13
Ground Water (GW)WELL 13 02S/08W-12K01SR (SR)
WELL 14
Ground Water (GW)WELL 14 01S/08W-26H02SR (SR)
RESERVOIR 4
()RESERVOIR #4Entry Point to the Distribution System (EP)
The latest water samples were taken on March 20th, 2025.