Water Quality: San Mateo, CA
2 water systems • 157 people served
Multiple Health Violations15
Total Violations
7
Health-Based Violations
2
Water Systems
157
Population Served
Water Quality Summary
San Mateo has 7 health-based violations on record, meaning one or more contaminants were found above EPA-established safe levels. Contaminants involved: Selenium, Stage 2 DBP. In total, 15 violations are on record for 2 water systems serving 157 people.
Contaminants Found
Selenium
Stage 2 DBP
Water Systems Serving San Mateo
| System Name | PWSID | Source | Population | Violations |
|---|---|---|---|---|
| LAZY B MOBILEHOME PARK | CA5000048 | Groundwater | 125 | 6 |
| BLUE LAKES MOBILE HOME PARK | CA1700589 | Groundwater | 32 | 9 |
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.