Water Quality in Maple Valley, WA
42 water systems serving 32,865 people
City Overview
Average lead detection across Maple Valley water systems is 1.0 ppb (Low). The EPA action level is 15 ppb.
Violation Summary
| Total violations on record | 895 |
| Health-based violations | 32 |
| Lead action level violations | 0 |
| Open (unresolved) violations | 0 |
Water Systems in Maple Valley
Frequently Asked Questions
Is Maple Valley tap water safe to drink?
Maple 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 Maple Valley, Washington?
Maple Valley has 42 public water systems serving approximately 32,865 people. The average lead level across sampled systems is 1.0 ppb. There are 895 total violations on record.
Does Maple Valley have lead in the water?
EPA monitoring data shows an average lead detection of 1.0 ppb across Maple Valley's water systems. The EPA action level is 15 ppb. No lead action level violations are currently reported.
How many water utilities serve Maple Valley?
42 public water systems are registered in Maple Valley, Washington with the EPA Safe Drinking Water Information System. Together they serve approximately 32,865 people.