Water Quality: Alpine, CA

3 water systems • 165 people served

Multiple Health Violations
54
Total Violations
26
Health-Based Violations
3
Water Systems
165
Population Served

Water Quality Summary

Alpine is served by 3 public water systems with a combined service population of 165 people, and has 54 EPA Safe Drinking Water Act violations on record. Critically, 26 of those are health-based violations, meaning one or more contaminants were detected above EPA-established safe levels — a serious public health concern. Alpine's violation count is 12% above the national average for California. Contaminants associated with violations include Haloacetic Acids, Nitrate-Nitrite, Selenium, Stage 2 DBP.

Contaminants Found

Haloacetic Acids

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)

Nitrate-Nitrite

Causes methemoglobinemia in infants and may pose cancer risks with long-term exposure.

Common source: Fertilizer runoff, septic systems, animal feedlots, natural deposits

EPA limit: 10 mg/L (as nitrogen)

Selenium

Hair loss, nail brittleness, and nervous system damage at elevated concentrations.

Common source: Natural geological deposits, mining discharges, oil refinery waste

EPA limit: 0.05 mg/L (50 ppb)

Stage 2 DBP

Trihalomethanes and haloacetic acids that increase cancer risk and may cause adverse reproductive outcomes.

Common source: Chlorine disinfection reacting with natural organic matter in source water

EPA limit: TTHM: 0.080 mg/L; HAA5: 0.060 mg/L

Water Systems Serving Alpine

System Name PWSID Source Population Violations
WILLOWSIDE TERRACE WATER ASSOCIATION CA3701995 Groundwater 100 34
IMPERIAL LAKES INC. CA1300628 Surface Water 40 19
RIVERFRONT MUTUAL WATER COMPANY CA1300664 Groundwater 25 1

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

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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.

Verify at epa.govSearch ECHO for CA