Mc Connellstown, PA: High Radon Risk — 55/100 (2026)
1 ZIP code · 1 water system · Updated 2026-06-03
Recent monitoring in Mc Connellstown shows middle-tier safety for PA — some systems are clean; others have logged EPA violations.
How Mc Connellstown Compares
Data: EPA SDWIS Last verified: 2026-06-03
Water Systems Serving Mc Connellstown
Supply infrastructure in Mc Connellstown, 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 Mc Connellstown, Pennsylvania, covering 1 community water system serving approximately 1,450 people.
No EPA violations recorded across any ZIP codes in Mc Connellstown — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Mc Connellstown: C (55/100)
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
Mc Connellstown water systems draw from: Groundwater.
Lead & Copper
- Lead data: not yet available for Mc Connellstown
- 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 |
|---|---|---|---|
| 16660 | C | Walker Twp Muni Authority | 1,450 |
All ZIP Codes in Mc Connellstown
- 16660 [C]
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 Mc Connellstown
- 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.
Deep Dive Reports
Detailed analysis for Mc Connellstown, PA