Water Quality: Dos Palos, CA
1 water system • 7,452 people served
Multiple Health ViolationsWater Quality Summary
Dos Palos is served by 1 public water system with a combined service population of 7,452 people, and has 44 EPA Safe Drinking Water Act violations on record. Critically, 43 of those are health-based violations, meaning one or more contaminants were detected above EPA-established safe levels — a serious public health concern. Dos Palos's violation count is 8% below the national average for California. Contaminants associated with violations include Contaminant 2920, Fecal Coliform, TTHM, Total Haloacetic Acids (HAA5).
Contaminants Found
Indicates direct fecal contamination; associated with diarrhea, cramps, nausea, and potential severe illness.
Common source: Human and animal fecal waste
EPA limit: Zero tolerance (any positive triggers violations)
Total trihalomethanes are linked to increased risk of bladder cancer and adverse reproductive outcomes.
Common source: Reaction of chlorine disinfectants with naturally occurring organic matter in water
EPA limit: 0.080 mg/L (80 ppb)
Haloacetic acids are associated with increased cancer risk and potential reproductive and developmental effects.
Common source: Reaction of chlorine disinfectants with organic matter in treated water
EPA limit: 0.060 mg/L (60 ppb)
Water Systems Serving Dos Palos
| System Name | PWSID | Source | Population | Violations |
|---|---|---|---|---|
| CITY OF DOS PALOS | CA2410002 | Surface Water | 7,452 | 44 |
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.