Diagonal, IA Radon Levels
Check local Diagonal radon levels and find certified testing and mitigation professionals to keep your home safe
Diagonal, IA Radon Facts
EPA Radon Zone
Zone 1 — High Risk
> 4.0 pCi/L (Zone 1)
County
Ringgold County, IA
Zip Code
50845
Located in southern Ringgold County near the Missouri border, Diagonal sits atop Iowa's characteristic glacial till deposits that can contribute to radon accumulation in homes. This small rural community in zip code 50845 features mostly older farmhouse-style homes with basements where radon can concentrate. With limited radon testing data available, local homeowners are encouraged to conduct professional radon tests to understand their individual risk levels.
Diagonal, IA 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 Diagonal, IA
What EPA Radon Zone is Diagonal in?
Diagonal and the 50845 zip code are in Ringgold 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 Diagonal?
Radon mitigation in Diagonal 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 Diagonal?
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.
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