Water Quality in Lewiston, ID
39 water systems serving 40,985 people
City Overview
Average lead detection across Lewiston water systems is 1.5 ppb (Low). The EPA action level is 15 ppb.
Violation Summary
| Total violations on record | 2125 |
| Health-based violations | 588 |
| Lead action level violations | 0 |
| Open (unresolved) violations | 0 |
Water Systems in Lewiston
Frequently Asked Questions
Is Lewiston tap water safe to drink?
Lewiston 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 Lewiston, Idaho?
Lewiston has 39 public water systems serving approximately 40,985 people. The average lead level across sampled systems is 1.5 ppb. There are 2125 total violations on record.
Does Lewiston have lead in the water?
EPA monitoring data shows an average lead detection of 1.5 ppb across Lewiston's water systems. The EPA action level is 15 ppb. No lead action level violations are currently reported.
How many water utilities serve Lewiston?
39 public water systems are registered in Lewiston, Idaho with the EPA Safe Drinking Water Information System. Together they serve approximately 40,985 people.