Bancroft, WI Radon Levels

Q: What EPA Radon Zone is Bancroft in?

Bancroft is in Portage County, EPA Zone 1.

Q: How much does radon mitigation cost in Bancroft?

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

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

Bancroft, WI Radon Facts

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

County Portage County, WI

Zip Code 54921

Set in central Wisconsin's Portage County, Bancroft is classified as EPA Zone 1, indicating the highest predicted radon potential statewide. Testing data remains limited for this rural community, emphasizing the importance of individual home testing. Wisconsin's glacial geology and underlying crystalline bedrock create conditions highly conducive to radon formation and migration into residential structures.

6.00

pCi/L area average

Above EPA Action Level

Portage County average: 6.00 pCi/L, based on 3 user-submitted tests across 1 city in the county. No homeowner readings have been submitted for Bancroft 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+

Bancroft, 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 Bancroft, WI

No homeowner tests have been submitted for Bancroft 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
Hancock	12.2 mi	5.00 pCi/L	1
Stevens Point	16.1 mi	6.00 pCi/L	3
Wisconsin Rapids	17.3 mi	4.50 pCi/L	2
Nekoosa	17.4 mi	6.00 pCi/L	1
Coloma	19.4 mi	17.00 pCi/L	1
Wautoma	21.2 mi	15.00 pCi/L	1
Friendship	26.0 mi	20.00 pCi/L	1
Necedah	32.3 mi	7.50 pCi/L	2

Portage County Radon Profile

The bedrock and soils beneath Portage County are classified by the EPA as Radon Zone 1, the highest-risk tier, with predicted average indoor screening levels above 4 pCi/L. Homeowner-submitted tests from 1 city in Portage County average 6.00 pCi/L across 3 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. Radon is the second leading cause of lung cancer in the United States, and a short-term test is the only way to confirm a specific home's level in Portage County.

Radon FAQ for Bancroft, WI

What EPA Radon Zone is Bancroft in?

Bancroft and the 54921 zip code are in Portage 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 Bancroft?

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

Radon mitigation in Bancroft 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 Bancroft?

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.