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Brilliant, OH Radon Levels

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


Brilliant, OH Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)
County Jefferson County, OH
Zip Code 43913

Located in Jefferson County along the Ohio River valley, Brilliant sits in zip code 43913 within Ohio's EPA Zone 1 high radon potential area. The community's position near the Pennsylvania border features Pennsylvanian-age shale and sandstone formations that can readily produce radon gas. While specific testing data remains limited, the geological conditions and zone designation strongly recommend that Brilliant homeowners prioritize radon testing and mitigation planning.

Brilliant, OH Radon Mitigation

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

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Radon FAQ for Brilliant, OH

What EPA Radon Zone is Brilliant in?
Brilliant and the 43913 zip code are in Jefferson 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 Brilliant?
Radon mitigation in Brilliant 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 Brilliant?
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