Water Quality in Coulee Dam, WA
26 water systems serving 10,072 people
City Overview
Average lead detection across Coulee Dam water systems is 1.6 ppb (Low). The EPA action level is 15 ppb.
Violation Summary
| Total violations on record | 169 |
| Health-based violations | 39 |
| Lead action level violations | 0 |
| Open (unresolved) violations | 0 |
Water Systems in Coulee Dam
Frequently Asked Questions
Is Coulee Dam tap water safe to drink?
Coulee Dam 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 Coulee Dam, Washington?
Coulee Dam has 26 public water systems serving approximately 10,072 people. The average lead level across sampled systems is 1.6 ppb. There are 169 total violations on record.
Does Coulee Dam have lead in the water?
EPA monitoring data shows an average lead detection of 1.6 ppb across Coulee Dam's water systems. The EPA action level is 15 ppb. No lead action level violations are currently reported.
How many water utilities serve Coulee Dam?
26 public water systems are registered in Coulee Dam, Washington with the EPA Safe Drinking Water Information System. Together they serve approximately 10,072 people.