Water Quality: South San Francisco, CA
2 water systems • 13,511 people served
No Health ViolationsWater Quality Summary
South San Francisco is served by 2 public water systems with a combined service population of 13,511 people, and has 2 EPA Safe Drinking Water Act violations on record. None of those violations are health-based — the records reflect missed monitoring or reporting deadlines rather than a contaminant exceeding safe levels. South San Francisco's violation count is 96% below the national average for California.
Water Systems Serving South San Francisco
| System Name | PWSID | Source | Population | Violations |
|---|---|---|---|---|
| WESTBOROUGH WATER DISTRICT | CA4110027 | Surface Water | 13,486 | 0 |
| WINDFLOWER POINT MUTUAL WATER COMPANY | CA1700657 | 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.
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.