Ettrick, WI Radon Levels

Q: What EPA Radon Zone is Ettrick in?

Ettrick is in Trempealeau County, EPA Zone 2.

Q: How much does radon mitigation cost in Ettrick?

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

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

Ettrick, WI Radon Facts

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

County Trempealeau County, WI

Zip Code 54627

Located in Trempealeau County along Wisconsin's scenic Mississippi River valley, Ettrick rests on sandstone bluffs and river terrace deposits that create variable radon conditions. The area's housing includes both historic homes with stone foundations and newer construction with modern basement systems. Residents in zip code 54627 should test for radon despite limited available data, as Wisconsin's diverse geology can produce unexpected readings even in areas not traditionally considered high-risk.

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 Ettrick 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+

Ettrick, 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 Ettrick, WI

No homeowner tests have been submitted for Ettrick 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	13.6 mi	2.00 pCi/L	1
Onalaska	19.1 mi	3.00 pCi/L	1
Black River Falls	23.0 mi	9.00 pCi/L	1
Osseo	26.9 mi	5.00 pCi/L	1
Sparta	26.9 mi	5.00 pCi/L	2
Westby	40.2 mi	5.00 pCi/L	1
Fall Creek	41.2 mi	8.00 pCi/L	1
Altoona	44.4 mi	6.00 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 Ettrick, WI

What EPA Radon Zone is Ettrick in?

Ettrick and the 54627 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 Ettrick?

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

Radon mitigation in Ettrick 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 Ettrick?

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.