Water Quality in Williamsport, PA (17728)
EPA violation data for public water systems serving ZIP code 17728.
Active Health Violations
9 health-based violations found in the past 5 years, with at least one still unresolved. Contaminant levels have exceeded federal safety limits. Consider testing your tap water independently.
More violations than 95% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
4,675
Population
27
Water Systems
84
Violations (5yr)
9
Health-Based
Location
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Water Systems Serving This Area (27)
Williamsport Mun Water Auth
Little Pine State Pk
Hepburn Lycoming Elem School
Bairs Truck Stop And Cottages
Trail Inn Restaurant
Mountain Top Motor Lodge
Shannons Trailer Park
Mountain Top Motel
Short Mt Spring Water Co Inc
Christian Church At Cogan Sta
Mountain Top Motor Lodge
Fairlawn Trailer Court
Schmohl Mobile Home Park
Summit Lodge
Hepburn Twp Vol Fire Co
3 health-basedStable Bar And Grille
One Stop Grocery %Kenneth
Green Hill Sewing Club
Browns Trailer Park
Cogan Station Market
4 health-basedHaleeka Campground
All resolvedJohnny Rays Patriot Cafe
2 health-basedLycova Grange # 2006
Roxie'S
Trail Inn
All resolvedLycova Grange # 2006
Mountain Top Mobile Home Park
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 (17728) has more violations than 95% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 84.
Recommended Water Filters
Based on health-based violations detected in your area, these filter types are commonly used to address similar contaminants. Consult your water utility's Consumer Confidence Report for the most current data.
UV Water Purifier
Uses ultraviolet light to neutralize bacteria, viruses, and parasites without chemicals. Ideal for homes with microbial contamination concerns.
Targets:E. coli, Coliform, Giardia, Cryptosporidium
Look for:NSF/ANSI 55 (Class A) certified
Always look for filters certified by NSF International for the specific contaminants you want to remove. This is general educational information, not an endorsement of any specific product.