Shipman, IL Radon Levels
Check local Shipman radon levels and find certified testing and mitigation professionals to keep your home safe
Shipman, IL Radon Facts
Small Shipman in Macoupin County, part of the broader St. Louis Metro region, falls within EPA Zone 2 for radon assessment. The area's prairie geology, featuring glacial deposits over limestone bedrock, creates moderate conditions for radon production and accumulation in residential structures. With limited radon data available for zip code 62685, professional testing is recommended for homeowners, particularly those with basement foundations.
Macoupin County average: 8.50 pCi/L, based on 2 user-submitted tests across 2 cities in the county. No homeowner readings have been submitted for Shipman itself yet, so this county figure is the closest available benchmark. The EPA recommends taking action at or above 4.0 pCi/L.
Shipman, IL Radon Mitigation
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Radon Readings Near Shipman, IL
No homeowner tests have been submitted for Shipman yet. The closest cities with user-submitted radon data are shown below — explore them to gauge local conditions. Radon varies by home, so testing is the only way to know your level.
| City | Distance | Avg User Level | Readings |
|---|---|---|---|
| Carlinville | 8.2 mi | 9.00 pCi/L | 1 |
| Staunton | 15.7 mi | 8.00 pCi/L | 1 |
| Jerseyville | 20.6 mi | 3.50 pCi/L | 2 |
| Godfrey | 21.7 mi | 6.00 pCi/L | 1 |
| East Alton | 22.7 mi | 4.00 pCi/L | 1 |
| White Hall | 28.6 mi | 6.00 pCi/L | 1 |
| Grafton | 28.6 mi | 14.00 pCi/L | 1 |
| Auburn | 29.7 mi | 6.00 pCi/L | 1 |
Macoupin County Radon Profile
EPA mapping assigns Macoupin County to Radon Zone 2, indicating moderate predicted indoor screening levels in the 2 to 4 pCi/L range based on regional geology. Homeowner-submitted tests from 2 cities in Macoupin County average 8.50 pCi/L across 2 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. As the second leading cause of lung cancer in the U.S., radon warrants testing in every Macoupin County home regardless of zone or a neighbor's results.