Water Quality: Arnold, CA
2 water systems • 5,527 people served
Some ConcernsWater Quality Summary
Arnold is served by 2 public water systems with a combined service population of 5,527 people, and has 7 EPA Safe Drinking Water Act violations on record. Critically, 3 of those are health-based violations, meaning one or more contaminants were detected above EPA-established safe levels — a serious public health concern. Arnold's violation count is 85% below the national average for California. Contaminants associated with violations include Mercury, Total Haloacetic Acids (HAA5).
Contaminants Found
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)
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 Arnold
| System Name | PWSID | Source | Population | Violations |
|---|---|---|---|---|
| BLUE LAKE SPRINGS MUT WTR | CA0510009 | Surface Water | 4,841 | 3 |
| SNOWSHOE SPRINGS ASSN. | CA0510011 | Surface Water | 686 | 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.