Water Quality in Stockton, CA
244 water systems serving 289,031 people
City Overview
Average lead detection across Stockton water systems is 1.9 ppb (Low). The EPA action level is 15 ppb. 4 systems have triggered action level violations.
Violation Summary
| Total violations on record | 2751 |
| Health-based violations | 1251 |
| Lead action level violations | 4 |
| Open (unresolved) violations | 0 |
Water Systems in Stockton
Frequently Asked Questions
Is Stockton tap water safe to drink?
Stockton 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 Stockton, California?
Stockton has 244 public water systems serving approximately 289,031 people. The average lead level across sampled systems is 1.9 ppb. There are 2751 total violations on record.
Does Stockton have lead in the water?
EPA monitoring data shows an average lead detection of 1.9 ppb across Stockton's water systems. The EPA action level is 15 ppb. 4 systems have triggered lead action level violations.
How many water utilities serve Stockton?
244 public water systems are registered in Stockton, California with the EPA Safe Drinking Water Information System. Together they serve approximately 289,031 people.