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Ridgeway, WI Radon Levels

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


Ridgeway, WI Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)
County Iowa County, WI
Zip Code 53582
Avg. User Level 8.00 pCi/L
User Tests 1

Ridgeway in Iowa County recorded an average radon level of 8.0 pCi/L, which significantly exceeds the EPA action threshold and reflects Wisconsin's high radon potential. This Madison Metro area community sits atop glacial deposits over limestone bedrock that create ideal conditions for radon gas production and migration. Based on this elevated reading from zip code 53582, homeowners should immediately test their properties and consider professional mitigation to reduce radon exposure.

8.00
pCi/L average
Above EPA Action Level

Based on 1 user-submitted radon test for homes in Ridgeway, WI. The EPA recommends taking action at or above 4.0 pCi/L.

0
4.0 EPA
10+

Ridgeway, WI Radon Mitigation

Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.

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Ridgeway, WI Radon Levels

User-submitted radon test readings from homes in the Ridgeway area.

Radon LevelCityHome AgeFoundation
8 pCi/L Ridgeway, WI 100+ Years Partial Basement

Have a radon test result for Ridgeway? Submit your reading to help other homeowners.

Radon Readings Near Ridgeway, WI

Compare radon levels in Ridgeway with the closest nearby cities that have user-submitted test data.

CityDistanceAvg User LevelReadings
Blue Mounds 7.8 mi 15.00 pCi/L 1
Mount Horeb 12.5 mi 9.00 pCi/L 1
Spring Green 13.1 mi 4.00 pCi/L 1
New Glarus 22.0 mi 7.00 pCi/L 1
Verona 22.1 mi 18.00 pCi/L 1
Middleton 25.2 mi 4.00 pCi/L 1
Waunakee 29.6 mi 5.50 pCi/L 2
Oregon 30.9 mi 12.00 pCi/L 1

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 Ridgeway, WI

What is the average radon level in Ridgeway, WI?
Based on 1 user-submitted test, the average radon level in Ridgeway is 8.00 pCi/L. This exceeds the EPA's recommended action level of 4.0 pCi/L, and radon testing is recommended for all homes in the area.
What EPA Radon Zone is Ridgeway in?
Ridgeway and the 53582 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.
How much does radon mitigation cost in Ridgeway?
Radon mitigation in Ridgeway 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 Ridgeway?
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.