Water Quality: El Monte, CA
8 water systems • 289,546 people served
Multiple Health Violations102
Total Violations
63
Health-Based Violations
8
Water Systems
289,546
Population Served
Water Quality Summary
El Monte has 63 health-based violations on record, meaning one or more contaminants were found above EPA-established safe levels. Contaminants involved: Barium, Chlorine Dioxide, Nitrate, Stage 2 DBP. In total, 102 violations are on record for 8 water systems serving 289,546 people.
Contaminants Found
Barium
Chlorine Dioxide
Nitrate
Stage 2 DBP
Water Systems Serving El Monte
| System Name | PWSID | Source | Population | Violations |
|---|---|---|---|---|
| SAN GABRIEL VALLEY WATER CO.-EL MONTE | CA1910039 | Groundwater | 248,000 | 12 |
| EL MONTE-CITY, WATER DEPT. | CA1910038 | Groundwater | 22,968 | 0 |
| SAN GABRIEL VALLEY WATER CO-MONTEBELLO 1 | CA1910189 | Groundwater | 9,630 | 0 |
| SAN GABRIEL VALLEY WATER CO-MONTEBELLO 2 | CA1910117 | Surface Water | 7,330 | 15 |
| DEL RIO MUTUAL | CA1900130 | Groundwater | 700 | 4 |
| HEMLOCK MUTUAL WATER CO. | CA1910053 | Groundwater | 686 | 9 |
| STERLING MUTUAL WATER COMPANY | CA1910158 | Groundwater | 198 | 11 |
| SUNNY ROAD WATER SYSTEM | CA3901213 | Groundwater | 34 | 51 |
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.