Spring Valley, WI Radon Levels

Q: What EPA Radon Zone is Spring Valley in?

Spring Valley is in Pierce County, EPA Zone 1.

Q: How much does radon mitigation cost in Spring Valley?

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

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

Spring Valley, WI Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)

County Pierce County, WI

Zip Code 54767

Spring Valley in Pierce County lies within the Minneapolis-St. Paul Metro area, where glacial deposits over Paleozoic sandstone and shale create Wisconsin's characteristic high radon potential. Current testing data for ZIP code 54767 is sparse, though the EPA Zone 1 designation reflects significant radon risk throughout the region. The combination of permeable soils and uranium-bearing bedrock makes professional radon testing particularly important for homeowners in this area.

6.33

pCi/L area average

Above EPA Action Level

Pierce County average: 6.33 pCi/L, based on 3 user-submitted tests across 2 cities in the county. No homeowner readings have been submitted for Spring Valley 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+

Spring Valley, 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 Spring Valley, WI

No homeowner tests have been submitted for Spring Valley 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
Ellsworth	12.2 mi	5.00 pCi/L	1
River Falls	16.7 mi	7.00 pCi/L	2
Houlton	27.8 mi	4.00 pCi/L	1
Somerset	28.2 mi	4.00 pCi/L	1
Amery	35.9 mi	3.00 pCi/L	1
Osceola	39.0 mi	5.00 pCi/L	1
Altoona	41.8 mi	6.00 pCi/L	1
Almena	42.7 mi	2.00 pCi/L	1

Pierce County Radon Profile

Pierce County falls in EPA Radon Zone 1, meaning the local uranium-bearing geology is predicted to drive average indoor radon screening levels above the EPA's 4 pCi/L action threshold. Homeowner-submitted tests from 2 cities in Pierce County average 6.33 pCi/L across 3 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 Pierce County to test, as levels can differ between neighboring homes.

Radon FAQ for Spring Valley, WI

What EPA Radon Zone is Spring Valley in?

Spring Valley and the 54767 zip code are in Pierce County, which has an EPA assigned Radon Zone of 1. A zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L.

Why are radon readings shown from areas near Spring Valley?

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

Radon mitigation in Spring Valley 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 Spring Valley?

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.