Warrens, WI Radon Levels

Q: What EPA Radon Zone is Warrens in?

Warrens is in Monroe County, EPA Zone 2.

Q: How much does radon mitigation cost in Warrens?

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

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

Warrens, WI Radon Facts

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

County Monroe County, WI

Zip Code 54666

Positioned in rural Monroe County, Warrens sits atop Paleozoic sandstone formations that can produce variable radon levels across Wisconsin's Driftless Area. Testing data for this 54666 ZIP code community remains limited, emphasizing the importance of home-specific radon testing. The area's mix of older farmsteads with basement root cellars and newer rural homes creates diverse radon entry scenarios.

6.33

pCi/L area average

Above EPA Action Level

Monroe 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 Warrens 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+

Warrens, 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 Warrens, WI

No homeowner tests have been submitted for Warrens 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
Black River Falls	19.1 mi	9.00 pCi/L	1
Sparta	21.1 mi	5.00 pCi/L	2
Necedah	23.3 mi	7.50 pCi/L	2
Kendall	26.0 mi	9.00 pCi/L	1
Nekoosa	31.7 mi	6.00 pCi/L	1
Wisconsin Rapids	34.9 mi	4.50 pCi/L	2
Friendship	35.8 mi	20.00 pCi/L	1
Marshfield	38.2 mi	13.50 pCi/L	2

Monroe County Radon Profile

The soils and bedrock of Monroe 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 Monroe 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 Monroe County to test, as levels can differ between neighboring homes.

Radon FAQ for Warrens, WI

What EPA Radon Zone is Warrens in?

Warrens and the 54666 zip code are in Monroe 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 Warrens?

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

Radon mitigation in Warrens 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 Warrens?

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.