Water Quality: Claremont, CA
4 water systems • 1,789 people served
No Health ViolationsWater Quality Summary
Claremont is served by 4 public water systems with a combined service population of 1,789 people, and has 11 EPA Safe Drinking Water Act violations on record. None of those violations are health-based — the records reflect missed monitoring or reporting deadlines rather than a contaminant exceeding safe levels. Claremont's violation count is 77% below the national average for California.
Water Systems Serving Claremont
| System Name | PWSID | Source | Population | Violations |
|---|---|---|---|---|
| SONORA WATER RESOURCES, INC | CA5510024 | Surface Water | 1,154 | 3 |
| SIERRA WATER RESOURCES - SIERRA CITY | CA4600017 | Groundwater | 324 | 3 |
| OWENS VALLEY WATER RESOURCES, INC. | CA1400005 | Groundwater | 311 | 5 |
| THREE VALLEYS MWD | CA1910041 | Surface Water | 0 | 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.
Other Cities in California
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.