Eau Claire, WI Radon Levels

Q: What EPA Radon Zone is Eau Claire in?

Eau Claire is in Eau Claire County, EPA Zone 2.

Q: How much does radon mitigation cost in Eau Claire?

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

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

Eau Claire, WI Radon Facts

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

County Eau Claire County, WI

Zip Code 54701

Positioned where the Eau Claire and Chippewa rivers converge, this Eau Claire County city sits on glacial outwash and river terrace deposits. The area's EPA Zone 2 classification indicates moderate radon potential from underlying sandstone and glacial materials, though current testing data for zip code 54701 is limited. Residents should test their homes, especially properties in river valley locations where soil conditions can vary significantly.

7.00

pCi/L area average

Above EPA Action Level

Eau Claire County average: 7.00 pCi/L, based on 2 user-submitted tests across 2 cities in the county. No homeowner readings have been submitted for Eau Claire 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+

Eau Claire, 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 Eau Claire, WI

No homeowner tests have been submitted for Eau Claire 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
Altoona	3.2 mi	6.00 pCi/L	1
Fall Creek	11.0 mi	8.00 pCi/L	1
Bloomer	20.3 mi	4.50 pCi/L	2
Osseo	22.1 mi	5.00 pCi/L	1
Jim Falls	22.7 mi	5.00 pCi/L	1
Chetek	35.9 mi	5.00 pCi/L	1
Weyerhaeuser	42.8 mi	11.50 pCi/L	2
Black River Falls	48.5 mi	9.00 pCi/L	1

Eau Claire County Radon Profile

The soils and bedrock of Eau Claire County place it in EPA Radon Zone 2, a moderate-risk classification with predicted indoor averages of 2 to 4 pCi/L. Homeowner-submitted tests from 2 cities in Eau Claire County average 7.00 pCi/L across 2 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. Since radon is the second leading cause of lung cancer nationally, the EPA urges every household in Eau Claire County to test, as levels can differ between neighboring homes.

Radon FAQ for Eau Claire, WI

What EPA Radon Zone is Eau Claire in?

Eau Claire and the 54701 zip code are in Eau Claire 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 Eau Claire?

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

Radon mitigation in Eau Claire 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 Eau Claire?

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.