Whitehall, WI Radon Levels

Q: What EPA Radon Zone is Whitehall in?

Whitehall is in Trempealeau County, EPA Zone 2.

Q: How much does radon mitigation cost in Whitehall?

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

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

Whitehall, WI Radon Facts

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

County Trempealeau County, WI

Zip Code 54773

Located in Trempealeau County along the Mississippi River valley, Whitehall sits in an area where glacial deposits over limestone bedrock create conditions that can vary significantly for radon gas accumulation. The community's mix of historic homes and newer construction means foundation types range from stone basements to modern concrete systems. Since comprehensive radon testing data is currently limited for zip code 54773, homeowners are strongly encouraged to conduct professional radon testing to understand their individual risk levels.

5.00

pCi/L area average

Above EPA Action Level

Trempealeau County average: 5.00 pCi/L, based on 1 user-submitted test across 1 city in the county. No homeowner readings have been submitted for Whitehall 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+

Whitehall, 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 Whitehall, WI

No homeowner tests have been submitted for Whitehall 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
Osseo	12.9 mi	5.00 pCi/L	1
Black River Falls	24.1 mi	9.00 pCi/L	1
Fall Creek	26.7 mi	8.00 pCi/L	1
Holmen	28.2 mi	2.00 pCi/L	1
Altoona	29.7 mi	6.00 pCi/L	1
Onalaska	33.7 mi	3.00 pCi/L	1
Sparta	38.3 mi	5.00 pCi/L	2
Jim Falls	48.8 mi	5.00 pCi/L	1

Trempealeau County Radon Profile

EPA mapping assigns Trempealeau 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 1 city in Trempealeau County average 5.00 pCi/L across 1 test — 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 Trempealeau County home regardless of zone or a neighbor's results.

Radon FAQ for Whitehall, WI

What EPA Radon Zone is Whitehall in?

Whitehall and the 54773 zip code are in Trempealeau 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 Whitehall?

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

Radon mitigation in Whitehall 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 Whitehall?

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.