Water Quality in Johnstown, PA
22 water systems serving 87,953 people
City Overview
Average lead detection across Johnstown water systems is 4291004.0 ppb (Elevated). The EPA action level is 15 ppb. 2 systems have triggered action level violations.
Violation Summary
| Total violations on record | 1859 |
| Health-based violations | 285 |
| Lead action level violations | 2 |
| Open (unresolved) violations | 0 |
Water Systems in Johnstown
Frequently Asked Questions
Is Johnstown tap water safe to drink?
Some water systems in Johnstown have detected elevated lead levels. While municipal treatment meets EPA standards, lead can leach from older home plumbing. Consider using a certified filter if your home was built before 1986.
What is the water quality in Johnstown, Pennsylvania?
Johnstown has 22 public water systems serving approximately 87,953 people. The average lead level across sampled systems is 4291004.0 ppb. There are 1859 total violations on record.
Does Johnstown have lead in the water?
EPA monitoring data shows an average lead detection of 4291004.0 ppb across Johnstown's water systems. The EPA action level is 15 ppb. 2 systems have triggered lead action level violations.
How many water utilities serve Johnstown?
22 public water systems are registered in Johnstown, Pennsylvania with the EPA Safe Drinking Water Information System. Together they serve approximately 87,953 people.