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Bethany, MO Radon Levels

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


Bethany, MO Radon Facts

EPA Radon Zone Zone 2 — Moderate Risk 2–4 pCi/L (Zone 2)
County Harrison County, MO
Zip Code 64424

Bethany in Harrison County represents a small Missouri community in EPA Zone 2, where glacial till deposits over limestone bedrock create moderate radon potential. The town's housing includes many early-to-mid 1900s homes with full basements, providing enclosed spaces where radon can accumulate. With limited testing data available for zip code 64424, residents should test their homes to understand local radon conditions.

Bethany, MO Radon Mitigation

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

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EPA Radon Zones Near Bethany, MO

No user-submitted radon readings are available for Bethany or its immediate area yet. The table below shows the EPA radon zone — a county-level prediction of radon risk — for nearby communities. Radon still varies from home to home, so testing is the only way to confirm your level.

CityDistanceCountyEPA Radon Zone
Coffey 11.1 mi Daviess County Zone 2
Pattonsburg 16.2 mi Daviess County Zone 2
Albany 16.3 mi Gentry County Zone 2
Jameson 17.9 mi Daviess County Zone 2
Mc Fall 18.3 mi Gentry County Zone 2
Denver 18.7 mi Worth County Zone 2
Cainsville 19.3 mi Mercer County Zone 2
Darlington 20.8 mi Gentry County Zone 2

Harrison County Radon Profile

Harrison County is mapped as EPA Radon Zone 2, where the local geology is predicted to produce moderate indoor screening levels between 2 and 4 pCi/L. User-submitted readings are still sparse within Harrison County itself, so the nearby measurements shown on this page provide the closest real-world picture of local radon conditions. Radon is the second leading cause of lung cancer in the United States, and a short-term test is the only way to confirm a specific home's level in Harrison County.

Radon FAQ for Bethany, MO

What EPA Radon Zone is Bethany in?
Bethany and the 64424 zip code are in Harrison County, which has an EPA assigned Radon Zone of 2. A zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L.
What EPA radon zones surround Bethany, MO?
Bethany sits in Harrison County, which the EPA classifies as Radon Zone 2. Among the nearby communities listed above, 8 in Zone 2 (moderate risk, 2-4 pCi/L). EPA radon zones are county-level predictions of radon potential, so the EPA recommends testing every individual home regardless of its zone, since levels vary from house to house.
How much does radon mitigation cost in Bethany?
Radon mitigation in Bethany 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 Bethany?
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.