Water Quality in Gresham, OR
25 water systems serving 78,477 people
City Overview
Average lead detection across Gresham water systems is 4.2 ppb (Low). The EPA action level is 15 ppb.
Violation Summary
| Total violations on record | 496 |
| Health-based violations | 23 |
| Lead action level violations | 0 |
| Open (unresolved) violations | 0 |
Water Systems in Gresham
Frequently Asked Questions
Is Gresham tap water safe to drink?
Gresham 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 Gresham, Oregon?
Gresham has 25 public water systems serving approximately 78,477 people. The average lead level across sampled systems is 4.2 ppb. There are 496 total violations on record.
Does Gresham have lead in the water?
EPA monitoring data shows an average lead detection of 4.2 ppb across Gresham's water systems. The EPA action level is 15 ppb. No lead action level violations are currently reported.
How many water utilities serve Gresham?
25 public water systems are registered in Gresham, Oregon with the EPA Safe Drinking Water Information System. Together they serve approximately 78,477 people.