Galesville, WI Radon Levels

Q: What EPA Radon Zone is Galesville in?

Galesville is in Trempealeau County, EPA Zone 2.

Q: How much does radon mitigation cost in Galesville?

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

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

Galesville, WI Radon Facts

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

County Trempealeau County, WI

Zip Code 54630

Positioned along the Mississippi River in Trempealeau County, Galesville sits on river valley alluvium over Paleozoic limestone and sandstone formations. While testing data for the 54630 area is currently limited, the EPA Zone 2 moderate risk designation reflects Wisconsin's variable radon geology. Historic homes and properties near limestone bluffs may experience elevated readings, making radon testing advisable for area homeowners.

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 Galesville 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+

Galesville, 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 Galesville?

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

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

Radon Readings Near Galesville, WI

No homeowner tests have been submitted for Galesville 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
Holmen	9.5 mi	2.00 pCi/L	1
Onalaska	14.7 mi	3.00 pCi/L	1
Sparta	28.6 mi	5.00 pCi/L	2
Black River Falls	29.8 mi	9.00 pCi/L	1
Osseo	33.3 mi	5.00 pCi/L	1
Westby	38.1 mi	5.00 pCi/L	1
Viroqua	44.2 mi	5.00 pCi/L	1
Fall Creek	47.1 mi	8.00 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 Galesville, WI

What EPA Radon Zone is Galesville in?

Galesville and the 54630 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 Galesville?

No homeowner radon tests have been submitted for Galesville 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 Galesville 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 Galesville?

Radon mitigation in Galesville 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 Galesville?

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.