Knapp, WI Radon Levels

Q: What EPA Radon Zone is Knapp in?

Knapp is in Dunn County, EPA Zone 2.

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

No homeowner radon tests have been submitted for Knapp yet, so readings from the closest cities and the Dunn 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 Knapp?

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

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

Knapp, WI Radon Facts

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

County Dunn County, WI

Zip Code 54749

This Dunn County community sits in western Wisconsin's driftless region, part of the Minneapolis-St. Paul metropolitan area where sandstone and limestone formations create moderate-to-high radon potential. The area's rural character and mix of older farmsteads with newer residential construction, combined with limited testing data, suggest homeowners should prioritize radon assessment. Residents throughout zip code 54749 should consider professional testing, especially given Wisconsin's documented radon concerns and the region's geology conducive to gas accumulation.

4.75

pCi/L area average

Above EPA Action Level

Nearby homeowner readings average 4.75 pCi/L, based on 12 tests from 10 nearby cities. No readings have been submitted for Knapp 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+

Knapp, WI 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 Knapp?

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

1-800-299-3578 715-203-8706 (local) Toll-free · Mon–Fri 8am–6pm ET

Radon Readings Near Knapp, WI

No homeowner tests have been submitted for Knapp 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
Ellsworth	25.5 mi	5.00 pCi/L	1
River Falls	28.1 mi	7.00 pCi/L	2
Bloomer	30.4 mi	4.50 pCi/L	2
Amery	31.5 mi	3.00 pCi/L	1
Somerset	32.3 mi	4.00 pCi/L	1
Almena	32.3 mi	2.00 pCi/L	1
Chetek	32.4 mi	5.00 pCi/L	1
Altoona	32.9 mi	6.00 pCi/L	1

Dunn County Radon Profile

Dunn 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 Dunn 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 Dunn County.

Radon FAQ for Knapp, WI

What EPA Radon Zone is Knapp in?

Knapp and the 54749 zip code are in Dunn 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 Knapp?

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

Radon mitigation in Knapp 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 Knapp?

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.