Water Quality: Hillsborough, CA
2 water systems • 11,926 people served
No Health ViolationsWater Quality Summary
Hillsborough is served by 2 public water systems with a combined service population of 11,926 people, and has 6 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. Hillsborough's violation count is 88% below the national average for California.
Water Systems Serving Hillsborough
| System Name | PWSID | Source | Population | Violations |
|---|---|---|---|---|
| TOWN OF HILLSBOROUGH | CA4110016 | Surface Water | 11,766 | 0 |
| IL VINETO | CA3900624 | Groundwater | 160 | 6 |
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.