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Mount Vernon, OH Radon Levels

Check local Mount Vernon radon levels and find certified testing and mitigation professionals to keep your home safe


Mount Vernon, OH Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)
County Knox County, OH
Zip Code 43050
Avg. User Level 5.50 pCi/L
User Tests 2

Central Ohio's Mount Vernon in Knox County demonstrates moderate-to-high radon potential with an average level of 5.5 pCi/L, exceeding EPA recommendations. The area's glacial till over shale bedrock, common throughout the Columbus Metro region, contributes to radon accumulation in the many basement-equipped homes typical of zip code 43050. Recent testing confirms the need for ongoing radon monitoring in this historic county seat community.

5.50
pCi/L average
Above EPA Action Level

Based on 2 user-submitted radon tests for homes in Mount Vernon, OH. The EPA recommends taking action at or above 4.0 pCi/L.

0
4.0 EPA
10+

Mount Vernon, OH Radon Mitigation

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Mount Vernon, OH Radon Levels

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

Radon LevelCityHome AgeFoundation
6 pCi/L Mount Vernon, OH 51-99 Years Partial Basement
5 pCi/L Mount Vernon, OH 21-50 Years Full Basement

Have a radon test result for Mount Vernon? Submit your reading to help other homeowners.

Radon FAQ for Mount Vernon, OH

What is the average radon level in Mount Vernon, OH?
Based on 2 user-submitted tests, the average radon level in Mount Vernon is 5.50 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 Mount Vernon in?
Mount Vernon and the 43050 zip code are in Knox 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 Mount Vernon?
Radon mitigation in Mount Vernon 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 Mount Vernon?
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.

Most Active Radon Markets in Ohio

Cities in Ohio with the most user-submitted radon test data, ranked by number of submissions.

CityAvg User Radon LevelSubmissions
Marietta 8.00 pCi/L 5
Cincinnati 5.20 pCi/L 5
Hilliard 11.75 pCi/L 4
Wilmington 5.25 pCi/L 4
Newark 15.00 pCi/L 3
Athens 11.33 pCi/L 3
Findlay 10.33 pCi/L 3
Perrysburg 9.67 pCi/L 3
Powell 8.33 pCi/L 3
Columbus 6.00 pCi/L 3