Norristown
Is Norristown tap water safe to drink?
Use extra caution — Norristown scores 45/100. This report aggregates EPA drinking water data across 2 local systems in Norristown. We found 5985 total violations (44 unresolved).
Real-Time Environment
Live: 09:00 PM☀️ No active precipitation. Rainfall can impact surface water turbidity and pollutant runoff in Norristown.
Water Quality Impact
🛡️ Home Water Treatment Needs
Should you invest in filtration or softening for your home in Norristown?
Expert Advice
Given the safety margin, a Carbon Block or sediment filter is recommended to improve taste and remove trace particulates.
Buying a Filter?
Should you buy a water purifier in Norristown? See our analysis.
Baby Formula Safety
Is Norristown tap water safe for infants? Critical safety guide.
Homebuyer's Perspective
For those looking to relocate to Norristown, water quality is a key factor in long-term property maintenance. With a score of 45/100, 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 Norristown
Based on EPA SDWIS violation records and contaminant test results for all water systems serving Norristown.
Frequently Asked Questions
Is Norristown tap water safe to drink?
Use extra caution — Norristown scores 45/100.
How many water systems serve Norristown?
Norristown is served by 2 public water systems in our latest EPA-backed dataset.
How can I check water quality for my exact address in Norristown?
Use the WaterQ search tool to look up your ZIP code and view nearby systems, contaminant levels, and recent violations for Norristown.
What is the water quality score for Norristown?
The water quality score for Norristown is 45 out of 100, based on EPA contaminant data, violation history, and testing results across the 2 systems serving the city.
What are the top contaminants in Norristown?
The top contaminants detected in Norristown include Lead (90th percentile). View detailed information on our contaminants page.
Norristown Water Quality Summary
Norristown, PA receives a water quality score of 45/100 (Grade D) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 2 public water systems serving the area.
Norristown'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.
Norristown's score of 45 is 26 points below the Pennsylvania state average of 71, and below the nationwide average of roughly 78/100 across all U.S. states.
For residents of Norristown, Pennsylvania, the mid-size city's low water quality rating highlights the challenges of living in the Appalachian foothills, where older industrial infrastructure remains in place. This poor evaluation of the local water systems suggests that prospective homebuyers should plan for utility concerns that are common in this part of the Mid-Atlantic region. Consequently, preparing for household water treatment is a practical step when moving to this community.
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 Norristown (2)
Check Your Specific Address
Water quality can vary by neighborhood in Norristown.
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Compare Norristown water quality: View all states · Contaminant library · How we score water quality