Water Quality: Chowchilla, CA
3 water systems • 19,272 people served
Multiple Health ViolationsWater Quality Summary
Chowchilla is served by 3 public water systems with a combined service population of 19,272 people, and has 26 EPA Safe Drinking Water Act violations on record. Critically, 16 of those are health-based violations, meaning one or more contaminants were detected above EPA-established safe levels — a serious public health concern. Chowchilla's violation count is 46% below the national average for California. Contaminants associated with violations include Barium.
Contaminants Found
Increases blood pressure and causes cardiovascular effects with long-term exposure.
Common source: Natural rock deposits, oil drilling operations, coal power plant waste
EPA limit: 2 mg/L
Water Systems Serving Chowchilla
| System Name | PWSID | Source | Population | Violations |
|---|---|---|---|---|
| CHOWCHILLA CITY WATER DEPT | CA2010001 | Groundwater | 13,916 | 2 |
| VALLEY STATE PRISON | CA2010801 | Groundwater | 3,173 | 24 |
| CENTRAL CA WOMENS FACILITY | CA2010800 | Groundwater | 2,183 | 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.