Water Quality in Williston, ND
68 water systems serving 37,407 people
City Overview
Average lead detection across Williston water systems is 1.2 ppb (Low). The EPA action level is 15 ppb.
Violation Summary
| Total violations on record | 1263 |
| Health-based violations | 162 |
| Lead action level violations | 0 |
| Open (unresolved) violations | 0 |
Water Systems in Williston
Frequently Asked Questions
Is Williston tap water safe to drink?
Williston 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 Williston, North Dakota?
Williston has 68 public water systems serving approximately 37,407 people. The average lead level across sampled systems is 1.2 ppb. There are 1263 total violations on record.
Does Williston have lead in the water?
EPA monitoring data shows an average lead detection of 1.2 ppb across Williston's water systems. The EPA action level is 15 ppb. No lead action level violations are currently reported.
How many water utilities serve Williston?
68 public water systems are registered in Williston, North Dakota with the EPA Safe Drinking Water Information System. Together they serve approximately 37,407 people.