Saint Peters, PA: High Radon Risk — 40/100 (2026)
1 ZIP code · 1 water system · Updated 2026-06-03
Monitoring data across Saint Peters reveals a persistent pattern of below-average compliance in PA — multiple service areas carry documented health violations, and the data has shown little overall improvement over recent EPA reporting cycles.
How Saint Peters Compares
Data: EPA SDWIS Last verified: 2026-06-03
Water Systems Serving Saint Peters
While 1 water system appear in federal records for Saint Peters, PA, one provider supplies the majority of residential connections — making it the central point of infrastructure and compliance accountability for most households.
Overview
We track water quality and home safety data for 1 ZIP code in Saint Peters, Pennsylvania, covering 1 community water system serving approximately 36,000 people.
No EPA violations recorded across any ZIP codes in Saint Peters — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Saint Peters: 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
Saint Peters water systems draw from: Surface water.
Lead & Copper
- Lead data: not yet available for Saint Peters
- 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 |
|---|---|---|---|
| 19470 | D | POTTSTOWN BOROUGH WATER AUTH | 36,000 |
All ZIP Codes in Saint Peters
- 19470 [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 Saint Peters
- 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 Saint Peters, PA