Hummelstown
Is Hummelstown tap water safe to drink?
Mostly yes — Hummelstown scores 97/100. This report aggregates EPA drinking water data across 2 local systems in Hummelstown. We found 241 total violations (7 unresolved).
Real-Time Environment
Live: 11:00 AM☀️ No active precipitation. Rainfall can impact surface water turbidity and pollutant runoff in Hummelstown.
Water Quality Impact
🛡️ Home Water Treatment Needs
Should you invest in filtration or softening for your home in Hummelstown?
Expert Advice
Your water quality is excellent. Standard filtration is optional but can further enhance taste.
Buying a Filter?
Evaluation of municipal compliance and household filtration options in Hummelstown.
Baby Formula Safety
EPA compliance thresholds and pediatric water precautions for Hummelstown.
Homebuyer's Perspective
Water system history in Hummelstown informs property maintenance and private filtration requirements. The high safety score (97/100) 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 Hummelstown
Based on EPA SDWIS violation records and contaminant test results for all water systems serving Hummelstown.
Frequently Asked Questions
Is Hummelstown tap water safe to drink?
Mostly yes — Hummelstown scores 97/100.
How many water systems serve Hummelstown?
Hummelstown is served by 2 public water systems in our latest EPA-backed dataset.
How can I check water quality for my exact address in Hummelstown?
Use the WaterQ search tool to look up your ZIP code and view nearby systems, contaminant levels, and recent violations for Hummelstown.
What is the water quality score for Hummelstown?
The water quality score for Hummelstown is 97 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 Hummelstown?
The top contaminants detected in Hummelstown include Lead (90th percentile). View detailed information on our contaminants page.
Hummelstown Water Quality Summary
Hummelstown, PA receives a water quality score of 97/100 (Grade A) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 2 public water systems serving the area.
Hummelstown'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.
Hummelstown's score of 97 is 26 points above the Pennsylvania state average of 71, and above 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 Hummelstown (2)
Check Your Specific Address
Water quality can vary by neighborhood in Hummelstown.
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