WaterQ
Pennsylvania State Report All States
Official Status: March 2026

Is Lansdale tap water safe to drink?

✓ Generally Safe
A

Mostly yes — Lansdale scores 92/100.

Safety Score
92
out of 100

Still not sure if you need a filter in Lansdale?

Read Decision Guide →
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Lansdale

Pennsylvania

View Pennsylvania state report Data updated: Mar 2026

Is Lansdale tap water safe to drink?

Mostly yes — Lansdale scores 92/100. This report aggregates EPA drinking water data across 1 local system in Lansdale. We found 209 total violations (18 unresolved).

Real-Time Environment

Live: 07:00 AM
0mm Precipitation

☀️ No active precipitation. Rainfall can impact surface water turbidity and pollutant runoff in Lansdale.

Water Quality Impact

✅ Minimal Impact Localized weather conditions may influence test result variability.

🛡️ Home Water Treatment Needs

Should you invest in filtration or softening for your home in Lansdale?

Requirement Status
Optional
🟢
💡

Expert Advice

Your water quality is excellent. Standard filtration is optional but can further enhance taste.

Buying a Filter?

Wondering if Lansdale tap water needs filtering? We break it down.

→

Baby Formula Safety

Mixing baby formula with Lansdale tap water? Read this first.

→

Homebuyer's Perspective

If you're house-hunting in Lansdale, water quality belongs on your due-diligence checklist alongside schools and crime data. The high safety score (92/100) suggests lower risk for plumbing corrosion and appliance scaling.

Property Impact: Positive / Stable

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 Lansdale

209
Violations (5yr)
18
Unresolved
1
Contaminants Tracked
0
Exceeding EPA Limit

Based on EPA SDWIS violation records and contaminant test results for all water systems serving Lansdale.

Frequently Asked Questions

Is Lansdale tap water safe to drink?

Mostly yes — Lansdale scores 92/100.

How many water systems serve Lansdale?

Lansdale is served by 1 public water system in our latest EPA-backed dataset.

How can I check water quality for my exact address in Lansdale?

Use the WaterQ search tool to look up your ZIP code and view nearby systems, contaminant levels, and recent violations for Lansdale.

What is the water quality score for Lansdale?

The water quality score for Lansdale is 92 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 Lansdale?

The top contaminants detected in Lansdale include Lead (90th percentile). View detailed information on our contaminants page.

Water Quality Score
92/100
Grade
A
Water Systems
1
Population
91,941

Lansdale Water Quality Summary

Lansdale, PA receives a water quality score of 92/100 (Grade A) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 1 public water system serving the area.

Lansdale'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.

Lansdale's score of 92 is 21 points above the Pennsylvania state average of 71, and above the nationwide average of roughly 78/100 across all U.S. states.

Residents and prospective homebuyers in the mid-size city of Lansdale, Pennsylvania, can rely on a single water system that provides exceptionally clean drinking water. Despite being located in a Mid-Atlantic region known for Appalachian foothills and older industrial infrastructure, this local utility delivers water that meets outstanding performance standards. This high level of reliability provides consistent water quality to locals, indicating that the community's water infrastructure remains robust and well-maintained.

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

Lead (90th percentile)
0.0005 / 0.015 mg/L
0 mg/L MCL: 0.015 mg/L

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Water Systems Serving Lansdale (1)

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Related

Compare Lansdale water quality: View all states · Contaminant library · How we score water quality