Williamsport
Is Williamsport tap water safe to drink?
Use extra caution — Williamsport scores 38/100. This report aggregates EPA drinking water data across 1 local system in Williamsport. We found 73 total violations (39 unresolved).
Real-Time Environment
Live: 01:00 PM☀️ No active precipitation. Rainfall can impact surface water turbidity and pollutant runoff in Williamsport.
Water Quality Impact
🛡️ Home Water Treatment Needs
Should you invest in filtration or softening for your home in Williamsport?
Expert Advice
Given the safety margin, a Carbon Block or sediment filter is recommended to improve taste and remove trace particulates.
Buying a Filter?
Wondering if Williamsport tap water needs filtering? We break it down.
Baby Formula Safety
Mixing baby formula with Williamsport tap water? Read this first.
Homebuyer's Perspective
If you're house-hunting in Williamsport, water quality belongs on your due-diligence checklist alongside schools and crime data. With a score of 38/100, we recommend budgeting for high-quality point-of-entry filtration systems to protect your home's value.
Health & Family Safety
Residents should monitor Lead (90th percentile) levels. Pregnant women and families with young children should consult the specific EPA health goals listed below.
View Health Risk Glossary →Compliance Record for Williamsport
Based on EPA SDWIS violation records and contaminant test results for all water systems serving Williamsport.
Frequently Asked Questions
Is Williamsport tap water safe to drink?
Use extra caution — Williamsport scores 38/100.
How many water systems serve Williamsport?
Williamsport is served by 1 public water system in our latest EPA-backed dataset.
How can I check water quality for my exact address in Williamsport?
Use the WaterQ search tool to look up your ZIP code and view nearby systems, contaminant levels, and recent violations for Williamsport.
What is the water quality score for Williamsport?
The water quality score for Williamsport is 38 out of 100, based on EPA contaminant data, violation history, and testing results across the 1 system serving the city.
What are the top contaminants in Williamsport?
The top contaminants detected in Williamsport include Lead (90th percentile). View detailed information on our contaminants page.
Williamsport Water Quality Summary
Williamsport, PA receives a water quality score of 38/100 (Grade F) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 1 public water system serving the area.
Williamsport's water quality score is below the national average, indicating a history of EPA violations or elevated contaminant levels. Residents are encouraged to check their specific water system report and consider additional filtration.
Williamsport's score of 38 is 33 points below the Pennsylvania state average of 71, and below the nationwide average of roughly 78/100 across all U.S. states.
Water quality data is sourced from the U.S. EPA SDWIS database and updated quarterly. Learn about our scoring methodology → Read our Pennsylvania water quality rankings report →
Key Contaminants
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Water Systems Serving Williamsport (1)
Check Your Specific Address
Water quality can vary by neighborhood in Williamsport.
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