Lionville, PA: High Radon Risk — 40/100 (2026)
1 ZIP code · 1 water system · Updated 2026-06-03
In recent EPA cycles, Lionville shows a persistent below-average water quality pattern within PA — documented violations span multiple service areas and have appeared consistently across reporting periods.
How Lionville Compares
Data: EPA SDWIS Last verified: 2026-06-03
Water Systems Serving Lionville
Supply infrastructure in Lionville, PA runs through a single dominant provider — the main entity among 1 tracked system through which rate decisions, infrastructure work, and federal compliance are managed.
Overview
We track water quality and home safety data for 1 ZIP code in Lionville, Pennsylvania, covering 1 community water system serving approximately 112 people.
No EPA violations recorded across any ZIP codes in Lionville — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Lionville: D (40/100)
The score combines three factors:
| Factor | What It Measures |
|---|---|
| Water Quality | EPA violations and compliance history |
| Lead Levels | 90th percentile lead concentration vs EPA action level |
| Radon Risk | EPA radon zone classification |
Water Sources
Lionville water systems draw from: Groundwater.
Lead & Copper
- Lead data: not yet available for Lionville
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 1 (High Risk)
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
Areas with No Violations
| ZIP Code | Safety Score | System | Population |
|---|---|---|---|
| 19353 | D | WINDHAVEN MHP | 112 |
All ZIP Codes in Lionville
- 19353 [D]
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Lead/copper: EPA Lead and Copper Rule sampling data
- Radon: EPA Map of Radon Zones
Updated daily.
What You Can Do in Lionville
- Test your water at home. City-level data shows averages — your tap may differ. NSF-certified test kits cost $20-40 and give results in days.
- Install a certified water filter. An NSF-certified pitcher or under-sink filter removes most common contaminants.
- Check your home's plumbing. Homes built before 1986 may have lead solder in pipes. A licensed plumber can assess your risk.
- Review your water system's CCR. Your utility publishes an annual Consumer Confidence Report with detailed test results. Request it or find it online.
Deep Dive Reports
Detailed analysis for Lionville, PA