Water Quality in Williamsport, PA (17737)
EPA violation data for public water systems serving ZIP code 17737.
Active Health Violations
15 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 97% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
5,970
Population
28
Water Systems
124
Violations (5yr)
15
Health-Based
Location
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Water Systems Serving This Area (28)
Williamsport Mun Water Auth
Little Pine State Pk
Hughesville Borough Water Auth
All resolvedCrystal Lake Camps
C G Renn Elementary School
All resolvedGeorge Farrall Elementary Scho
George Ferrell Elementary
All resolvedCrystal Lake Camp
2 health-basedCiraulos Freeze
Circulos Freeze
Cherry Grove Campsites
Highland Lake Manor
2 health-basedBartos Trailer Court
Tivoli Tavern
Bostleys Child Care
Jlp Bar And Grill
Country Skateland Subs
Hughesville Camp Meeting
11 health-basedHotel Mawr Glen
Tivoli Tavern
All resolvedAngus Inn
Villa Grove
Hughesville Camp Meeting
Mcdonalds Hughesville
Sonestown Country Inn
Jeans Hotel
Highland Lake Manor 40 Et 8
Angus Inn
Contaminants Found
Missed testing deadlines — not a detection of bacteria.
Used to disinfect water — generally safe at regulated levels.
At high levels, nitrate can cause blue baby syndrome in infants.
Similar to nitrate — harmful to infants at high levels.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jun 2025
How Does This Compare?
Williamsport (17737) has more violations than 97% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 124.
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.