Water Quality in South San Francisco, CA
5 water systems serving 14,838 people
City Overview
Average lead detection across South San Francisco water systems is 0.0 ppb (Very low). The EPA action level is 15 ppb.
Violation Summary
| Total violations on record | 75 |
| Health-based violations | 14 |
| Lead action level violations | 0 |
| Open (unresolved) violations | 0 |
Water Systems in South San Francisco
Frequently Asked Questions
Is South San Francisco tap water safe to drink?
South San Francisco tap water meets EPA standards for most contaminants. Review the individual water system pages below for the latest lead sample results and violation history.
What is the water quality in South San Francisco, California?
South San Francisco has 5 public water systems serving approximately 14,838 people. The average lead level across sampled systems is 0.0 ppb. There are 75 total violations on record.
Does South San Francisco have lead in the water?
EPA monitoring data shows an average lead detection of 0.0 ppb across South San Francisco's water systems. The EPA action level is 15 ppb. No lead action level violations are currently reported.
How many water utilities serve South San Francisco?
5 public water systems are registered in South San Francisco, California with the EPA Safe Drinking Water Information System. Together they serve approximately 14,838 people.