Cassville, MO Radon Levels

Q: What EPA Radon Zone is Cassville in?

Cassville is in Barry County, EPA Zone 2.

Q: How much does radon mitigation cost in Cassville?

Radon mitigation typically costs between $800 and $2,000. Most standard systems fall in the $1,000-$1,500 range.

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

Cassville, MO Radon Facts

EPA Radon Zone Zone 2 — Moderate Risk 2–4 pCi/L (Zone 2)

County Barry County, MO

Zip Code 65625

Nestled in Barry County in the Missouri Ozarks, Cassville sits atop limestone bedrock that can contribute to variable radon conditions throughout the region. While radon testing data for this area remains limited, the underlying geology suggests homeowners should consider testing. Testing is recommended for all homes in zip code 65625, regardless of foundation type or construction era.

4.33

pCi/L area average

Above EPA Action Level

Barry County average: 4.33 pCi/L, based on 3 user-submitted tests across 2 cities in the county. No homeowner readings have been submitted for Cassville itself yet, so this county figure is the closest available benchmark. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Cassville, MO Radon Mitigation

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

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Radon Readings Near Cassville, MO

No homeowner tests have been submitted for Cassville yet. The closest cities with user-submitted radon data are shown below — explore them to gauge local conditions. Radon varies by home, so testing is the only way to know your level.

City	Distance	Avg User Level	Readings
Shell Knob	13.0 mi	5.00 pCi/L	2
Golden	14.8 mi	3.00 pCi/L	1
Kimberling City	22.9 mi	7.00 pCi/L	2
Lampe	23.0 mi	6.50 pCi/L	2
Reeds Spring	27.8 mi	6.00 pCi/L	1
Branson	33.2 mi	4.00 pCi/L	1
Springfield	47.1 mi	7.00 pCi/L	1
Webb City	47.2 mi	7.00 pCi/L	1

Barry County Radon Profile

Barry 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. Homeowner-submitted tests from 2 cities in Barry County average 4.33 pCi/L across 3 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. 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 Barry County.

Radon FAQ for Cassville, MO

What EPA Radon Zone is Cassville in?

Cassville and the 65625 zip code are in Barry 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.

Why are radon readings shown from areas near Cassville?

No homeowner radon tests have been submitted for Cassville yet. Because radon is driven by regional soil and bedrock geology, readings from the closest cities—and the Barry County average—are the best available indicator of local conditions until Cassville homeowners submit their own results. The EPA still recommends testing every individual home, since levels can vary significantly from house to house.

How much does radon mitigation cost in Cassville?

Radon mitigation in Cassville 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 Cassville?

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.