Clear Lake, WI Radon Levels

Q: What EPA Radon Zone is Clear Lake in?

Clear Lake is in Polk County, EPA Zone 2.

Q: How much does radon mitigation cost in Clear Lake?

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

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

Clear Lake, WI Radon Facts

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

County Polk County, WI

Zip Code 54005

Situated in Polk County within the Minneapolis-St. Paul Metro area, Clear Lake sits on glacial geology where sandy deposits over crystalline bedrock can facilitate radon migration into homes. Testing data is limited for the 54005 zip code, making individual assessment important for homeowners. This lake community's mix of seasonal cabins and year-round homes includes various foundation types from simple piers to full basements.

5.00

pCi/L area average

Above EPA Action Level

Polk County average: 5.00 pCi/L, based on 3 user-submitted tests across 3 cities in the county. No homeowner readings have been submitted for Clear Lake 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+

Clear Lake, WI 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 Clear Lake, WI

No homeowner tests have been submitted for Clear Lake 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
Amery	9.9 mi	3.00 pCi/L	1
Almena	18.3 mi	2.00 pCi/L	1
Somerset	21.3 mi	4.00 pCi/L	1
Osceola	21.4 mi	5.00 pCi/L	1
Saint Croix Falls	25.0 mi	7.00 pCi/L	1
Houlton	26.3 mi	4.00 pCi/L	1
Chetek	30.7 mi	5.00 pCi/L	1
River Falls	31.6 mi	7.00 pCi/L	2

Polk County Radon Profile

EPA mapping assigns Polk County to Radon Zone 2, indicating moderate predicted indoor screening levels in the 2 to 4 pCi/L range based on regional geology. Homeowner-submitted tests from 3 cities in Polk County average 5.00 pCi/L across 3 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. As the second leading cause of lung cancer in the U.S., radon warrants testing in every Polk County home regardless of zone or a neighbor's results.

Radon FAQ for Clear Lake, WI

What EPA Radon Zone is Clear Lake in?

Clear Lake and the 54005 zip code are in Polk 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 Clear Lake?

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

Radon mitigation in Clear Lake 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 Clear Lake?

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.