Water Quality in Johnstown, PA (15907)
EPA violation data for public water systems serving ZIP code 15907.
No Health-Based Violations
None of the 6 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There are60 monitoring/reporting violations (missed testing deadlines), all resolved.
Better than 93% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
6
Water Systems
60
Violations (5yr)
0
Health-Based
Location
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Water Systems Serving This Area (6)
Greater Johnstown Wa Riverside
All resolvedBethlehem Steel Johnstown Plt
Lycoming Mall-Crown America
Penelec Keystone Sta
Greater Johnstown Wa Saltlick
All resolvedWestwood Restaurant
Contaminants Found
Used to disinfect water — generally safe at regulated levels.
Missed testing deadlines — not a detection of bacteria.
A naturally occurring element that can cause cancer and other health effects at high levels.
Similar to nitrate — harmful to infants at high levels.
At high levels, nitrate can cause blue baby syndrome in infants.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jun 2025
How Does This Compare?
Johnstown (15907) has more violations than 93% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 60, most of which are monitoring/reporting issues.
Water Filter Recommendations
No contaminant issues detected. For general protection, a basic carbon filter removes common impurities like chlorine and sediment. Look for NSF/ANSI 42 certified products.