Water Quality in Williamsport, PA (17776)
EPA violation data for public water systems serving ZIP code 17776.
Active Health Violations
5 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 96% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
145
Population
18
Water Systems
88
Violations (5yr)
5
Health-Based
Location
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Water Systems Serving This Area (18)
Williamsport Mun Water Auth
Little Pine State Pk
Happy Acres Campground
1 health-basedWaterville Water Association
Waterville Water Association
Little Pine State Pk
2 health-basedHappy Acres Rest & General St
2 health-basedHappy Acres Snack Bar
Waterville Water Assoc
All resolvedUpper Pine Bottom
Pine Creek Valley Lodge
Waterville Hotel
Texas Blockhouse
Happy Acres Mobile Home Park
English Center Store
Harpers Creekside Tavern
All resolvedUpper Pine Bottom
Bonnell Flats
Contaminants Found
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?
Williamsport (17776) has more violations than 96% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 88.
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.