Rewey, WI Radon Levels

Q: What EPA Radon Zone is Rewey in?

Rewey is in Iowa County, EPA Zone 1.

Q: Why are radon readings shown from areas near Rewey?

No homeowner radon tests have been submitted for Rewey yet, so readings from the closest cities and the Iowa County average are used as the best available indicator of local conditions. The EPA recommends testing every individual home.

Q: How much does radon mitigation cost in Rewey?

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

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

Rewey, WI Radon Facts

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

County Iowa County, WI

Zip Code 53580

Rewey, located in Iowa County within the Madison Metro area, sits in EPA Zone 1 where Wisconsin's driftless region geology creates elevated radon potential. Testing data for this 53580 zip code community is currently limited, emphasizing the need for individual property testing. The area's limestone bedrock and unique topography can create conditions where radon accumulates in basements and lower levels of homes.

8.00

pCi/L area average

Above EPA Action Level

Iowa County average: 8.00 pCi/L, based on 1 user-submitted test across 1 city in the county. No homeowner readings have been submitted for Rewey 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+

Rewey, 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 Rewey, WI

No homeowner tests have been submitted for Rewey 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
Potosi	20.1 mi	17.00 pCi/L	1
Ridgeway	22.3 mi	8.00 pCi/L	1
Spring Green	27.7 mi	4.00 pCi/L	1
Blue River	28.1 mi	6.00 pCi/L	1
Blue Mounds	29.4 mi	15.00 pCi/L	1
Mount Horeb	33.8 mi	9.00 pCi/L	1
New Glarus	37.5 mi	7.00 pCi/L	1
Prairie Du Chien	39.5 mi	10.00 pCi/L	2

Iowa County Radon Profile

The bedrock and soils beneath Iowa 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 Iowa County average 8.00 pCi/L across 1 test — 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 Iowa County.

Radon FAQ for Rewey, WI

What EPA Radon Zone is Rewey in?

Rewey and the 53580 zip code are in Iowa 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 Rewey?

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

Radon mitigation in Rewey 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 Rewey?

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.