Allentown
Is Allentown tap water safe to drink?
Mostly yes — Allentown scores 93/100. This report aggregates EPA drinking water data across 9 local systems in Allentown. We found 1030 total violations (76 unresolved).
Real-Time Environment
Live: 11:00 AM☀️ No active precipitation. Rainfall can impact surface water turbidity and pollutant runoff in Allentown.
Water Quality Impact
🛡️ Home Water Treatment Needs
Should you invest in filtration or softening for your home in Allentown?
Expert Advice
Your water quality is excellent. Standard filtration is optional but can further enhance taste.
Buying a Filter?
Filtration technologies matched to Allentown contaminant records.
Baby Formula Safety
Guidance on preparing infant formula using municipal tap water in Allentown.
Homebuyer's Perspective
Municipal water quality in Allentown directly influences pipe corrosion rates and home filtration needs. The high safety score (93/100) suggests lower risk for plumbing corrosion and appliance scaling.
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 Allentown
Based on EPA SDWIS violation records and contaminant test results for all water systems serving Allentown.
Frequently Asked Questions
Is Allentown tap water safe to drink?
Mostly yes — Allentown scores 93/100.
How many water systems serve Allentown?
Allentown is served by 9 public water systems in our latest EPA-backed dataset.
How can I check water quality for my exact address in Allentown?
Use the WaterQ search tool to look up your ZIP code and view nearby systems, contaminant levels, and recent violations for Allentown.
What is the water quality score for Allentown?
The water quality score for Allentown is 93 out of 100, based on EPA contaminant data, violation history, and testing results across the 9 systems serving the city.
What are the top contaminants in Allentown?
The top contaminants detected in Allentown include Lead (90th percentile). View detailed information on our contaminants page.
Allentown Water Quality Summary
Allentown, PA receives a water quality score of 93/100 (Grade A) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 9 public water systems serving the area.
Allentown's water quality is above the national average, with strong compliance records and low contaminant levels. Residents generally receive clean, safe tap water that meets EPA standards.
Allentown's score of 93 is 22 points above the Pennsylvania state average of 71, and above the nationwide average of roughly 78/100 across all U.S. states.
As a mid-size city nestled in the Appalachian foothills of Pennsylvania, Allentown relies on nine separate water systems that consistently deliver excellent performance. While the Mid-Atlantic region is known for its older industrial infrastructure, local water supplies maintain a track record of high quality and reliability. For prospective homebuyers and current residents, these strong rating metrics demonstrate that the city's utility network successfully manages regional challenges to provide clean, dependable tap water.
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 Allentown (9)
Lca Wlsa Central Division
BLca North Whitehall Division
ASwt Main System
BSwt Allentown Cons System
ASalisbury Twp Water System
ALca Emmaus Consecutive Div
ALca Allentown Division
BLca Arcadia West Division
ALv Hospital Cedar Crest
ACheck Your Specific Address
Water quality can vary by neighborhood in Allentown.
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