Southeastern, PA: High Radon Risk — 40/100 (2026)
3 ZIP codes · 1 water system · Updated 2026-06-03
Drinking water quality in Southeastern has lagged behind PA benchmarks — documented violations keep the safety grade low.
How Southeastern Compares
Data: EPA SDWIS Last verified: 2026-06-03
Who Supplies Your Water in Southeastern
One utility dominates residential water service in Southeastern, PA — out of 1 system in federal records.
Overview
We track water quality and home safety data for 3 ZIP codes in Southeastern, Pennsylvania, covering 1 community water system serving approximately 9,900 people.
No EPA violations recorded across any ZIP codes in Southeastern — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Southeastern: 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
Southeastern water systems draw from: Surface water.
Lead & Copper
- Lead data: not yet available for Southeastern
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 1 (High Risk)
- Zone 1 (High): 3 ZIP codes
- Zone 2 (Moderate): 0 ZIP codes
- Zone 3 (Low): 0 ZIP codes
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
Areas with No Violations
| ZIP Code | Safety Score | System | Population |
|---|---|---|---|
| 19397 | D | DOWNINGTOWN WATER AUTHORITY | 9,900 |
| 19398 | D | DOWNINGTOWN WATER AUTHORITY | 9,900 |
| 19399 | D | DOWNINGTOWN WATER AUTHORITY | 9,900 |
All ZIP Codes in Southeastern
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 Southeastern
- 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 Southeastern, PA