South Canaan, PA: High Radon Risk — 40/100 (2026)
1 ZIP code · 1 water system · Updated 2026-06-04
Compared to PA averages, South Canaan scores below the baseline — health violations appear more frequently than the norm and the city's grade reflects that ongoing shortfall.
How South Canaan Compares
Data: EPA SDWIS Last verified: 2026-06-04
Who Supplies Your Water in South Canaan
With one provider handling most of South Canaan's residential supply in PA, water service accountability is concentrated in a single utility among the 1 system on record.
Overview
We track water quality and home safety data for 1 ZIP code in South Canaan, Pennsylvania, covering 1 community water system serving approximately 6,533 people.
No EPA violations recorded across any ZIP codes in South Canaan — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for South Canaan: 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
South Canaan water systems draw from: Groundwater.
Lead & Copper
- Lead data: not yet available for South Canaan
- 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 |
|---|---|---|---|
| 18459 | D | AQUA PA FAWN LAKE FOREST | 6,533 |
All ZIP Codes in South Canaan
- 18459 [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 South Canaan
- 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 South Canaan, PA