Water Quality in Williamsport, PA (17810)
EPA violation data for public water systems serving ZIP code 17810.
No Health-Based Violations
None of the 16 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There are17 monitoring/reporting violations (missed testing deadlines), all resolved.
Better than 76% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
5,309
Population
16
Water Systems
17
Violations (5yr)
0
Health-Based
Location
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Water Systems Serving This Area (16)
Williamsport Mun Water Auth
Little Pine State Pk
Gregg Twp Municipal Auth
Allenwood Fed. Prison Complex
White Deer Run Treatment Centr
All resolvedSt John'S Lutheran Church
Elimsport Elementary School
Reptiland
White Deer Run
Hidden Creek Campground
Weaver,S Sunset
Shultzs Country Market
Allenwood Diner
Nanas Country Kitchen
Om Aaa Truck Stop
Daddy Nick'S Place
Contaminants Found
Missed testing deadlines — not a detection of bacteria.
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?
Williamsport (17810) has more violations than 76% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 17, 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.