Water Quality: Eldorado Hills, CA
2 water systems • 800 people served
Multiple Health ViolationsWater Quality Summary
Eldorado Hills is served by 2 public water systems with a combined service population of 800 people, and has 12 EPA Safe Drinking Water Act violations on record. Critically, 5 of those are health-based violations, meaning one or more contaminants were detected above EPA-established safe levels — a serious public health concern. Eldorado Hills's violation count is 75% below the national average for California. Contaminants associated with violations include Fecal Coliform, Mercury.
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)
Damages kidneys and the central nervous system; causes developmental harm to fetuses and infants.
Common source: Natural deposits, industrial discharges, landfill runoff
EPA limit: 0.002 mg/L (2 ppb)
Water Systems Serving Eldorado Hills
| System Name | PWSID | Source | Population | Violations |
|---|---|---|---|---|
| TAHOE PARK WATER COMPANY | CA3110018 | Groundwater | 750 | 8 |
| TAHOE PARK WATER CO - SKYLAND/NIELSEN | CA3110049 | Groundwater | 50 | 4 |
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.