Winchester, KY Radon Levels
Check local Winchester radon levels and find certified testing and mitigation professionals to keep your home safe
Winchester, KY Radon Facts
Part of the Lexington metropolitan area, Winchester in Clark County has recorded an average radon level of 5.0 pCi/L, which exceeds the EPA's recommended action threshold of 4.0 pCi/L. The community's location over Kentucky's limestone karst geology contributes to elevated radon potential throughout zip code 40391. Residents should prioritize radon testing and mitigation, especially in homes with basements or crawl spaces common to the region.
Based on 1 user-submitted radon test for homes in Winchester, KY. The EPA recommends taking action at or above 4.0 pCi/L.
Winchester, KY Radon Mitigation
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Winchester, KY Radon Levels
User-submitted radon test readings from homes in the Winchester area.
| Radon Level | City | Home Age | Foundation |
|---|---|---|---|
| 5 pCi/L | Winchester, KY | 51-99 Years | Full Basement |
Have a radon test result for Winchester? Submit your reading to help other homeowners.
Radon Readings Near Winchester, KY
Compare radon levels in Winchester with the closest nearby cities that have user-submitted test data.
| City | Distance | Avg User Level | Readings |
|---|---|---|---|
| Mount Sterling | 13.9 mi | 12.00 pCi/L | 1 |
| Lexington | 17.7 mi | 8.40 pCi/L | 5 |
| Nicholasville | 22.3 mi | 8.00 pCi/L | 1 |
| Georgetown | 25.7 mi | 15.00 pCi/L | 1 |
| Cynthiana | 29.0 mi | 5.00 pCi/L | 1 |
| Versailles | 30.2 mi | 20.00 pCi/L | 1 |
| Harrodsburg | 39.3 mi | 9.00 pCi/L | 2 |
| Flemingsburg | 39.8 mi | 8.00 pCi/L | 2 |
Clark County Radon Profile
Because of its underlying geology, Clark County is mapped as EPA Radon Zone 1 — the most elevated classification — where predicted indoor screening averages exceed 4 pCi/L. Homeowner-submitted tests from 1 city in Clark County average 5.00 pCi/L across 1 test — 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 Clark County home regardless of zone or a neighbor's results.