Water Quality: St. Helena, CA
4 water systems • 6,328 people served
Multiple Health Violations33
Total Violations
27
Health-Based Violations
4
Water Systems
6,328
Population Served
Water Quality Summary
St. Helena has 27 health-based violations on record, meaning one or more contaminants were found above EPA-established safe levels. Contaminants involved: Fecal Coliform, Total Haloacetic Acids (HAA5). In total, 33 violations are on record for 4 water systems serving 6,328 people.
Contaminants Found
Fecal Coliform
Total Haloacetic Acids (HAA5)
Water Systems Serving St. Helena
| System Name | PWSID | Source | Population | Violations |
|---|---|---|---|---|
| ST. HELENA, CITY OF | CA2810004 | Surface Water | 5,386 | 28 |
| ADVENTIST HEALTH - ST. HELENA HOSPITAL | CA2800625 | Groundwater | 817 | 0 |
| SPINDRIFT MARINA | CA3400169 | Groundwater | 100 | 3 |
| VAILIMA ESTATES MUTUAL WATER | CA2800532 | Groundwater | 25 | 2 |
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.
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.