Water Quality in San Luis Obispo, CA
100 water systems serving 154,839 people
City Overview
Average lead detection across San Luis Obispo water systems is 1.8 ppb (Low). The EPA action level is 15 ppb. 1 system have triggered action level violations.
Violation Summary
| Total violations on record | 547 |
| Health-based violations | 71 |
| Lead action level violations | 1 |
| Open (unresolved) violations | 0 |
Water Systems in San Luis Obispo
Frequently Asked Questions
Is San Luis Obispo tap water safe to drink?
San Luis Obispo 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 San Luis Obispo, California?
San Luis Obispo has 100 public water systems serving approximately 154,839 people. The average lead level across sampled systems is 1.8 ppb. There are 547 total violations on record.
Does San Luis Obispo have lead in the water?
EPA monitoring data shows an average lead detection of 1.8 ppb across San Luis Obispo's water systems. The EPA action level is 15 ppb. 1 system have triggered lead action level violations.
How many water utilities serve San Luis Obispo?
100 public water systems are registered in San Luis Obispo, California with the EPA Safe Drinking Water Information System. Together they serve approximately 154,839 people.