Gradyville, PA: High Radon Risk — 40/100 (2026)
1 ZIP code · 1 water system · Updated 2026-06-03
Gradyville's water safety record falls below average in PA — compliance violations span multiple service areas, and several systems have recorded exceedances that trigger federal notification requirements under the Safe Drinking Water Act.
How Gradyville Compares
Data: EPA SDWIS Last verified: 2026-06-03
Gradyville's Water Providers
Across most of Gradyville, PA, residential water comes from a single utility. That provider sets rates, manages infrastructure maintenance, and files compliance reports with the EPA on behalf of the households it serves. Federal tracking data shows 1 system on record, but one carries the bulk of the service load.
Overview
We track water quality and home safety data for 1 ZIP code in Gradyville, Pennsylvania, covering 1 community water system serving approximately 140,437 people.
No EPA violations recorded across any ZIP codes in Gradyville — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Gradyville: 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
Gradyville water systems draw from: Surface water.
Lead & Copper
- Lead data: not yet available for Gradyville
- 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 |
|---|---|---|---|
| 19039 | D | CHESTER WATER AUTHORITY | 140,437 |
All ZIP Codes in Gradyville
- 19039 [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 Gradyville
- 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 Gradyville, PA