Washburn, MO Radon Levels

Q: What EPA Radon Zone is Washburn in?

Washburn is in Barry County, EPA Zone 2.

Q: How much does radon mitigation cost in Washburn?

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

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

Washburn, MO Radon Facts

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

County Barry County, MO

Zip Code 65772

Nestled in Barry County in the Missouri Ozarks, Washburn's homes sit on karst limestone terrain known for creating unpredictable radon conditions. With limited testing data available for the 65772 area, residents should prioritize home testing regardless of foundation type. The region's mix of older farmhouses and newer construction means radon entry points can vary significantly from property to property.

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 Washburn 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+

Washburn, 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 Washburn, MO

No homeowner tests have been submitted for Washburn 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
Golden	20.5 mi	3.00 pCi/L	1
Shell Knob	20.5 mi	5.00 pCi/L	2
Lampe	30.0 mi	6.50 pCi/L	2
Kimberling City	31.0 mi	7.00 pCi/L	2
Reeds Spring	36.7 mi	6.00 pCi/L	1
Branson	41.7 mi	4.00 pCi/L	1
Webb City	47.1 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 Washburn, MO

What EPA Radon Zone is Washburn in?

Washburn and the 65772 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 Washburn?

No homeowner radon tests have been submitted for Washburn 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 Washburn 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 Washburn?

Radon mitigation in Washburn 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 Washburn?

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.