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Lancaster, OH Radon Levels

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


Lancaster, OH Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)
County Fairfield County, OH
Zip Code 43130
Avg. User Level 9.00 pCi/L
User Tests 1

Part of Fairfield County in the Columbus Metro area, Lancaster shows concerning radon levels with an average reading of 9.0 pCi/L that significantly exceeds the EPA action threshold. The area's glacial till deposits over shale bedrock create favorable conditions for radon accumulation, making testing critical for homes throughout the 43130 zip code.

9.00
pCi/L average
Above EPA Action Level

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

0
4.0 EPA
10+

Lancaster, OH Radon Mitigation

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

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Lancaster, OH Radon Levels

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

Radon LevelCityHome AgeFoundation
9 pCi/L Lancaster, OH 0-20 Years Full Basement

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

Radon FAQ for Lancaster, OH

What is the average radon level in Lancaster, OH?
Based on 1 user-submitted test, the average radon level in Lancaster is 9.00 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 Lancaster in?
Lancaster and the 43130 zip code are in Fairfield 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 Lancaster?
Radon mitigation in Lancaster 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 Lancaster?
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