Water Quality in Grass Valley, CA
58 water systems serving 80,061 people
City Overview
Average lead detection across Grass Valley water systems is 1.6 ppb (Low). The EPA action level is 15 ppb.
Violation Summary
| Total violations on record | 520 |
| Health-based violations | 202 |
| Lead action level violations | 0 |
| Open (unresolved) violations | 0 |
Water Systems in Grass Valley
Frequently Asked Questions
Is Grass Valley tap water safe to drink?
Grass Valley 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 Grass Valley, California?
Grass Valley has 58 public water systems serving approximately 80,061 people. The average lead level across sampled systems is 1.6 ppb. There are 520 total violations on record.
Does Grass Valley have lead in the water?
EPA monitoring data shows an average lead detection of 1.6 ppb across Grass Valley's water systems. The EPA action level is 15 ppb. No lead action level violations are currently reported.
How many water utilities serve Grass Valley?
58 public water systems are registered in Grass Valley, California with the EPA Safe Drinking Water Information System. Together they serve approximately 80,061 people.