Water Quality in Williamsport, PA (17771)
EPA violation data for public water systems serving ZIP code 17771.
Active Health Violations
20 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.
2,929
Population
36
Water Systems
125
Violations (5yr)
20
Health-Based
Location
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Water Systems Serving This Area (36)
Williamsport Mun Water Auth
Little Pine State Pk
Fry Bros Restaurant And Store
1 health-basedSteam Valley Restaurant
All resolvedSheshequin Campground
Cendoma Campground
Cendoma Campground-Mobile Home
Lewis Twp Elementary School
Edgewood Mobile Home Park
1 health-basedCamp Susque
6 health-basedSusque Boys Camp
Crossroads Country Tavern
Cogan House School
Cogan House School
Cerquozzi Diner
Trout Run Hotel
Cerquozzi Diner
Trout Run Hotel
Hutchinson Mobilehome Park
Brookside Mart
Forest Inn
10 health-basedSteam Valley Inn
Forest Inn
Brookside Mart
Wilawan Mhp
Trout Run Vol Fire Co
Marsh Hill Market
Trout Run General Store
2 health-basedChamberlain Nursery Ice Cream
Derrs Motel And Campground
Trout Run Vol Fire Co
Fry Brothers Country Store
Hemlock Hotel
Derrs Motel And Campground
Schmouders Mobile Home Park
Hemlock Hotel
Contaminants Found
Missed testing deadlines — not a detection of bacteria.
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
At high levels, nitrate can cause blue baby syndrome in infants.
Similar to nitrate — harmful to infants at high levels.
Annual water quality report delivery requirement.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jun 2025
How Does This Compare?
Williamsport (17771) has more violations than 97% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 125.
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.
Reverse Osmosis System
Highly effective at removing heavy metals, dissolved solids, and a wide range of contaminants. Recommended for homes with lead or arsenic concerns.
Targets:Lead, Copper, Arsenic, Mercury, Cadmium
Look for:NSF/ANSI 58 certified
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.