Lancaster
Is Lancaster tap water safe to drink?
Generally acceptable, but review local hotspots — score 77/100. This report aggregates EPA drinking water data across 1 local system in Lancaster. We found 168 total violations (19 unresolved).
Real-Time Environment
Live: 03:15 PM☀️ No active precipitation. Rainfall can impact surface water turbidity and pollutant runoff in Lancaster.
Water Quality Impact
🛡️ Home Water Treatment Needs
Should you invest in filtration or softening for your home in Lancaster?
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 Lancaster tap water needs filtering? We break it down.
Baby Formula Safety
Mixing baby formula with Lancaster tap water? Read this first.
Homebuyer's Perspective
If you're house-hunting in Lancaster, water quality belongs on your due-diligence checklist alongside schools and crime data. With a score of 77/100, 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 Lancaster
Based on EPA SDWIS violation records and contaminant test results for all water systems serving Lancaster.
Frequently Asked Questions
Is Lancaster tap water safe to drink?
Generally acceptable, but review local hotspots — score 77/100.
How many water systems serve Lancaster?
Lancaster is served by 1 public water system in our latest EPA-backed dataset.
How can I check water quality for my exact address in Lancaster?
Use the WaterQ search tool to look up your ZIP code and view nearby systems, contaminant levels, and recent violations for Lancaster.
What is the water quality score for Lancaster?
The water quality score for Lancaster is 77 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 Lancaster?
The top contaminants detected in Lancaster include Lead (90th percentile). View detailed information on our contaminants page.
Lancaster Water Quality Summary
Lancaster, PA receives a water quality score of 77/100 (Grade B) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 1 public water system serving the area.
Lancaster's water quality is near the national average. While most systems meet EPA standards, some violations have been recorded. Residents may wish to review their specific water system's report for contaminant details.
Lancaster's score of 77 is 6 points above the Pennsylvania state average of 71, and below the nationwide average of roughly 78/100 across all U.S. states.
Prospective homebuyers looking at Lancaster should consider that this mid-size Pennsylvania city is served by a sole water system experiencing typical regional issues. Situated in the Appalachian foothills of the Mid-Atlantic, the local infrastructure is older and industrial, which directly impacts the municipal supply's moderate performance. While the water is functional for residents, the current rating highlights that there is significant room for improvement across the system.
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 Lancaster (1)
Check Your Specific Address
Water quality can vary by neighborhood in Lancaster.
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Compare Lancaster water quality: View all states · Contaminant library · How we score water quality