Water Quality: Downey, CA
9 water systems • 311,053 people served
Multiple Health Violations129
Total Violations
28
Health-Based Violations
9
Water Systems
311,053
Population Served
Water Quality Summary
Downey has 28 health-based violations on record, meaning one or more contaminants were found above EPA-established safe levels. Contaminants involved: E. coli, Gross Alpha. In total, 129 violations are on record for 9 water systems serving 311,053 people.
Contaminants Found
E. coli
Gross Alpha
Water Systems Serving Downey
| System Name | PWSID | Source | Population | Violations |
|---|---|---|---|---|
| DOWNEY - CITY, WATER DEPT. | CA1910034 | Groundwater | 108,816 | 5 |
| LIBERTY UTILITIES - BELLFLOWER-NORWALK | CA1910211 | Surface Water | 72,624 | 0 |
| LIBERTY UTILITIES (AV RANCHOS) CORP. | CA3610003 | Groundwater | 64,469 | 4 |
| LIBERTY UTILITIES - COMPTON | CA1910021 | Surface Water | 26,371 | 7 |
| LIBERTY UTILITIES - LYNWOOD | CA1910161 | Surface Water | 24,701 | 0 |
| CITY OF BELL GARDENS | CA1910108 | Surface Water | 11,437 | 3 |
| LIBERTY UTILITIES - MESA CREST | CA1910241 | Surface Water | 1,619 | 0 |
| LIBERTY -YERMO | CA3610118 | Groundwater | 861 | 110 |
| LIBERTY-BELLVIEW HEIGHTS | CA3600010 | Groundwater | 155 | 0 |
Concerned About Your Water?
A home water filter can remove common contaminants. NSF-certified filters are tested against EPA standards.
Consider a reverse osmosis system for comprehensive filtration or a carbon filter for basic improvement.
Data Sources
Drinking water violation data from the EPA Safe Drinking Water Information System (SDWIS). Data includes all recorded violations for active community water systems.