Water Quality in Colusa, CA
33 water systems serving 13,315 people
City Overview
Average lead detection across Colusa water systems is 6.2 ppb (Moderate). The EPA action level is 15 ppb.
Violation Summary
| Total violations on record | 1008 |
| Health-based violations | 20 |
| Lead action level violations | 0 |
| Open (unresolved) violations | 0 |
Water Systems in Colusa
Frequently Asked Questions
Is Colusa tap water safe to drink?
Colusa 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 Colusa, California?
Colusa has 33 public water systems serving approximately 13,315 people. The average lead level across sampled systems is 6.2 ppb. There are 1008 total violations on record.
Does Colusa have lead in the water?
EPA monitoring data shows an average lead detection of 6.2 ppb across Colusa's water systems. The EPA action level is 15 ppb. No lead action level violations are currently reported.
How many water utilities serve Colusa?
33 public water systems are registered in Colusa, California with the EPA Safe Drinking Water Information System. Together they serve approximately 13,315 people.