City of Compton Water Dept. is a large public water system in EPA region 9 that provides tap water for the 90220 zip codes. It has 15 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 7.7 µg/L. The maximum reported level of Manganese was 92 µg/L. The maximum reported level of quinoline was 0.072 µg/L. Some (1 of 14 or 7%) of the latest water samples showed levels of quinoline that were at or above unsafe concentration levels. There were 3 contamintants found in the City of Compton Water Dept. water supply at levels that were above the minimum reporting level. 1 of the contaminants were above the reference level, which means they may pose a risk to human health.
MWD Intertie
Surface Water (SW)Entry Point to Dist. SystemEntry Point to the Distribution System (EP)
Well 18
Ground Water (GW)EP #26 - Well 18 TreatedEntry Point to the Distribution System (EP)
Well 17
Ground Water (GW)EP #25 - Well 17 TreatedEntry Point to the Distribution System (EP)
Well 15
Ground Water (GW)EP #24 - Well 15 TreatedEntry Point to the Distribution System (EP)
Well 13
Ground Water (GW)EP #23 - Well 13 TreatedEntry Point to the Distribution System (EP)
Well 11
Ground Water (GW)EP #22 - Well 11 TreatedEntry Point to the Distribution System (EP)
Distribution System
Multiple Sources (MX)Site 6 (1514 W. 134th Street)Distribution System (DS)
Site 8 (421 N. Nestor)Distribution System (DS)
Site 11 (413 S. Locust)Distribution System (DS)
Site 17 (1720 N. Elva)Distribution System (DS)
Site 18 (707 S. Barclay)Distribution System (DS)
Site 20 (175 E. Manville)Distribution System (DS)
Site 21 (701 N. Hillford)Distribution System (DS)
Site 24 (1328 W. Arbutus)Distribution System (DS)
D/DBP Max. Residence Time-Site 1
Multiple Sources (MX)add ucmr max residence sp nameMaximum Residence Time (MR)
WELL 01
Ground Water (GW)WELL 01 03S/13W-22H02SR (SR)
WELL 11
Ground Water (GW)WELL 11 03S/13W-27E02SR (SR)
WELL 13
Ground Water (GW)WELL 13 03S/13W-26C01SR (SR)
WELL 14
Ground Water (GW)WELL 14 03S/13W-26M01SR (SR)
WELL 15
Ground Water (GW)WELL 15 03S/13W-27G01SR (SR)
WELL 17
Ground Water (GW)WELL 17 1910026-015SR (SR)
WELL 18
Ground Water (GW)WELL 18 03S/13W-14F01SR (SR)
The latest water samples were taken on May 9th, 2024.