Call For A Free Quote: 1-800-299-3578 (toll free) | 859-212-0545 (local)

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

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)
County Clark County, KY
Zip Code 40391
Avg. User Level 5.00 pCi/L
User Tests 1

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.

5.00
pCi/L average
Above EPA Action Level

Based on 1 user-submitted radon test for homes in Winchester, KY. The EPA recommends taking action at or above 4.0 pCi/L.

0
4.0 EPA
10+

Winchester, KY Radon Mitigation

Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.

Need Radon Mitigation or Testing in Winchester?

  • 100% Free, No-Obligation Quotes
  • Matches You with State-Licensed Clark County Pros
1-800-299-3578 859-212-0545 (local) Toll-free · Mon–Fri 8am–6pm ET

Winchester, KY Radon Levels

User-submitted radon test readings from homes in the Winchester area.

Radon LevelCityHome AgeFoundation
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.

CityDistanceAvg User LevelReadings
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.

Radon FAQ for Winchester, KY

What is the average radon level in Winchester, KY?
Based on 1 user-submitted test, the average radon level in Winchester is 5.00 pCi/L. This exceeds the EPA's recommended action level of 4.0 pCi/L, and radon testing is recommended for all homes in the area.
What EPA Radon Zone is Winchester in?
Winchester and the 40391 zip code are in Clark County, which has an EPA assigned Radon Zone of 1. A zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L.
How much does radon mitigation cost in Winchester?
Radon mitigation in Winchester typically costs between $800 and $2,000. Most homes with standard basements can be mitigated with a sub-slab depressurization system in the $1,000–$1,500 range. Factors that can increase cost include complex foundations, crawl spaces, or very high radon levels.
Should I test for radon if I'm buying a home in Winchester?
Yes. Radon testing should be part of every home purchase. A short-term radon test is typically included as part of the home inspection process and costs $150–$250. If elevated levels are found, you can negotiate mitigation as part of the sale.