Water Quality in Williamsport, PA (18619)
EPA violation data for public water systems serving ZIP code 18619.
Past Health-Based Violations
1 health-based violation was found in the past 5 years, meaning contaminant levels exceeded federal safety limits. All have since been resolved. There are also 37 monitoring/reporting violations.
More violations than 88% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
162
Population
8
Water Systems
38
Violations (5yr)
1
Health-Based
Location
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Water Systems Serving This Area (8)
Williamsport Mun Water Auth
Little Pine State Pk
Green Acres Little League-2
Green Acres Little League-1
Green Acres Little League-3
Hillsgrove Hotel
1 health-basedMccartys Mercantile
All resolvedSunset Ice Cream Stand
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 (18619) has more violations than 88% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 38.
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.