Water Quality: Johnstown, PA
7 water systems • 81,025 people served
Multiple Health Violations712
Total Violations
149
Health-Based Violations
7
Water Systems
81,025
Population Served
Water Quality Summary
Johnstown has 149 health-based violations on record, meaning one or more contaminants were found above EPA-established safe levels. Contaminants involved: Contaminant 2920, TTHM, Total Haloacetic Acids (HAA5). In total, 712 violations are on record for 7 water systems serving 81,025 people.
Contaminants Found
Contaminant 2920
TTHM
Total Haloacetic Acids (HAA5)
Water Systems Serving Johnstown
| System Name | PWSID | Source | Population | Violations |
|---|---|---|---|---|
| GREATER JOHNSTOWN WA RIVERSIDE | PA4110034 | Surface Water | 49,500 | 115 |
| HIGHLAND S & W AUTH BEAVERDAM | PA4110017 | Surface Water | 22,617 | 101 |
| SOUTHWESTERN CAMBRIA CNTY AUTH | PA4110041 | Surface Water | 4,400 | 56 |
| EAST TAYLOR MUNI AUTH | PA4110043 | Surface Water | 3,152 | 246 |
| HIGHLAND S & W AUTH LLOYDELL | PA4110015 | Groundwater | 723 | 38 |
| HIGHLAND S&W AUTH NORTHERN END | PA4110016 | Groundwater | 463 | 71 |
| GREATER JOHNSTOWN WA SALTLICK | PA4110014 | Surface Water | 170 | 85 |
Concerned About Your Water?
A home water filter can remove common contaminants. NSF-certified filters are tested against EPA standards.
Consider a reverse osmosis system for comprehensive filtration or a carbon filter for basic improvement.
Data Sources
Drinking water violation data from the EPA Safe Drinking Water Information System (SDWIS). Data includes all recorded violations for active community water systems.