Water Quality: Escondido, CA
6 water systems • 171,989 people served
Multiple Health ViolationsWater Quality Summary
Escondido is served by 6 public water systems with a combined service population of 171,989 people, and has 52 EPA Safe Drinking Water Act violations on record. Critically, 28 of those are health-based violations, meaning one or more contaminants were detected above EPA-established safe levels — a serious public health concern. Escondido's violation count is 8% above the national average for California. Contaminants associated with violations include Contaminant 4109, Haloacetic Acids, TTHM.
Contaminants Found
Linked to increased cancer risk and potential reproductive and developmental effects with long-term exposure.
Common source: Reaction of chlorine disinfectants with organic matter in treated water
EPA limit: 0.060 mg/L (60 ppb)
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)
Water Systems Serving Escondido
| System Name | PWSID | Source | Population | Violations |
|---|---|---|---|---|
| ESCONDIDO, CITY OF | CA3710006 | Surface Water | 137,044 | 0 |
| RINCON DEL DIABLO MWD (ID-1) | CA3710018 | Surface Water | 30,757 | 1 |
| RINCON DEL DIABLO MWD (ID-A) | CA3710044 | Surface Water | 3,275 | 1 |
| DEL DIOS MUTUAL WATER COMPANY | CA3700866 | Surface Water | 330 | 6 |
| ANZA RV RESORT | CA3301355 | Groundwater | 323 | 0 |
| OAKVALE PARK | CA3700962 | Groundwater | 260 | 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.