Winona, MO Radon Levels

Q: What EPA Radon Zone is Winona in?

Winona is in Shannon County, EPA Zone 2.

Q: Why are radon readings shown from areas near Winona?

No homeowner radon tests have been submitted for Winona yet, so readings from the closest cities and the Shannon County average are used as the best available indicator of local conditions. The EPA recommends testing every individual home.

Q: How much does radon mitigation cost in Winona?

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

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

Winona, MO Radon Facts

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

County Shannon County, MO

Zip Code 65588

Ozark foothills Winona sits in Shannon County where dolomite and limestone formations characteristic of Missouri's southern region can influence radon production. Testing data for zip code 65588 remains limited, making individual home testing important for residents. The area's combination of older rural homes and recreational properties, many built on variable foundation types, creates different scenarios for potential radon entry.

4.33

pCi/L area average

Above EPA Action Level

Nearby homeowner readings average 4.33 pCi/L, based on 3 tests from 3 nearby cities. No readings have been submitted for Winona yet, so the closest recorded data is shown as a benchmark. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Winona, MO Radon Mitigation

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

Need Radon Mitigation or Testing in Winona?

100% Free, No-Obligation Quotes
Matches You with State-Licensed Shannon County Pros

1-800-299-3578 816-463-2802 (local) Toll-free · Mon–Fri 8am–6pm ET

Radon Readings Near Winona, MO

No homeowner tests have been submitted for Winona 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
Ellsinore	31.5 mi	3.00 pCi/L	1
West Plains	36.8 mi	4.00 pCi/L	1
Salem	43.1 mi	6.00 pCi/L	1

Shannon County Radon Profile

Shannon 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 Shannon 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 Shannon County.

Radon FAQ for Winona, MO

What EPA Radon Zone is Winona in?

Winona and the 65588 zip code are in Shannon 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 Winona?

No homeowner radon tests have been submitted for Winona yet. Because radon is driven by regional soil and bedrock geology, readings from the closest cities—and the Shannon County average—are the best available indicator of local conditions until Winona 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 Winona?

Radon mitigation in Winona 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 Winona?

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.