Golden State Water Company - South San Gabriel is a large public water system in EPA region 9 that provides tap water for the 91755 zip codes. It has 11 facilities where the water supply was tested for 78 chemical contaminants that impact tap water quality and human health.
The maximum reported level of HAA5 (five regulated haloacetic acids) was 1.63 µg/L. The maximum reported level of Manganese was 9.3 µg/L. There were 2 contamintants found in the Golden State Water Company - South San Gabriel water supply at levels that were above the minimum reporting level.
San Gabriel TP
Ground Water (GW)SGTP Final Effluent EPEntry Point to the Distribution System (EP)
USGVMWD Intertie
Surface Water (SW)USG-1 EPEntry Point to the Distribution System (EP)
Garvey Well 3
Ground Water (GW)Garvey Treatment Plant EPEntry Point to the Distribution System (EP)
Stage 2 DBP Sample Sites
Multiple Sources (MX)SG-DBP02 - 7520 Garvalia Ave.Distribution System (DS)
SG-DBP03 - 7861 La Merced Rd.Distribution System (DS)
SG-DBP04 - 7309 Tegner Dr.Distribution System (DS)
SG-D05-DN - 7528 Teresa AveDistribution System (DS)
Saxon Well 3
Ground Water (GW)EP #30: Saxon 3 EPEntry Point to the Distribution System (EP)
Saxon Well 4
Ground Water (GW)EP #29: Saxon 4 EPEntry Point to the Distribution System (EP)
Distribution System - SW
Surface Water (SW)DSMRT for USGVMWD (7861 La Merced Rd.)Maximum Residence Time (MR)
Distribution System - GW
Ground Water (GW)DSMRT for Saxon Wells 3 & 4 (146 Marshall)Maximum Residence Time (MR)
DSMRT for San Gabriel TP (7520 Garvalia)Maximum Residence Time (MR)
EARLE WELL 01
Ground Water (GW)EARLE WELL 01 01S/12W-25A01SR (SR)
GARVEY WELL 01
Ground Water (GW)GARVEY WELL 01 01S/12W-25B03SR (SR)
SAXON WELL 04
Ground Water (GW)SAXON WELL 04 01S/12W-24E05SR (SR)
The latest water samples were taken on April 11th, 2024.