Water Quality: Green Valley Lake, CA
1 water system • 2,993 people served
Multiple Health ViolationsWater Quality Summary
Green Valley Lake is served by 1 public water system with a combined service population of 2,993 people, and has 10 EPA Safe Drinking Water Act violations on record. Critically, 4 of those are health-based violations, meaning one or more contaminants were detected above EPA-established safe levels — a serious public health concern. Green Valley Lake's violation count is 79% below the national average for California. Contaminants associated with violations include Gross Alpha, Haloacetic Acids.
Contaminants Found
Alpha-emitting radioactive particles increase cancer risk, particularly from bone and other internal cancers.
Common source: Natural uranium and radium in geological formations
EPA limit: 15 pCi/L (excluding radon and uranium)
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)
Water Systems Serving Green Valley Lake
| System Name | PWSID | Source | Population | Violations |
|---|---|---|---|---|
| GREEN VALLEY MWC | CA3610023 | Surface Water | 2,993 | 10 |
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.