Water Quality in Great Falls, MT
138 water systems serving 83,833 people
City Overview
Average lead detection across Great Falls water systems is 1.9 ppb (Low). The EPA action level is 15 ppb.
Violation Summary
| Total violations on record | 8716 |
| Health-based violations | 534 |
| Lead action level violations | 0 |
| Open (unresolved) violations | 0 |
Water Systems in Great Falls
Frequently Asked Questions
Is Great Falls tap water safe to drink?
Great Falls 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 Great Falls, Montana?
Great Falls has 138 public water systems serving approximately 83,833 people. The average lead level across sampled systems is 1.9 ppb. There are 8716 total violations on record.
Does Great Falls have lead in the water?
EPA monitoring data shows an average lead detection of 1.9 ppb across Great Falls's water systems. The EPA action level is 15 ppb. No lead action level violations are currently reported.
How many water utilities serve Great Falls?
138 public water systems are registered in Great Falls, Montana with the EPA Safe Drinking Water Information System. Together they serve approximately 83,833 people.