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Delavan, WI Radon Levels

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


Delavan, WI Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)
County Walworth County, WI
Zip Code 53115
Avg. User Level 6.00 pCi/L
User Tests 1

Nestled in Walworth County, Delavan has recorded an average radon level of 6.0 pCi/L, which exceeds the EPA action threshold of 4.0 pCi/L. This southeastern Wisconsin community sits in glacial terrain that creates favorable conditions for radon production and movement through soil. Homes in zip code 53115, particularly those with basements common to Wisconsin construction, should be tested and potentially mitigated to protect residents from prolonged radon exposure.

6.00
pCi/L average
Above EPA Action Level

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

0
4.0 EPA
10+

Delavan, WI Radon Mitigation

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

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Delavan, WI Radon Levels

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

Radon LevelCityHome AgeFoundation
6 pCi/L Delavan, WI 21-50 Years Partial Basement

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

Radon Readings Near Delavan, WI

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

CityDistanceAvg User LevelReadings
Williams Bay 5.3 mi 12.00 pCi/L 1
Fontana 6.3 mi 4.50 pCi/L 2
Elkhorn 6.8 mi 5.00 pCi/L 1
Lake Geneva 9.1 mi 5.00 pCi/L 1
Genoa City 15.5 mi 10.00 pCi/L 1
Burlington 18.2 mi 7.00 pCi/L 1
Milton 19.7 mi 11.50 pCi/L 2
Waterford 23.9 mi 9.00 pCi/L 2

Walworth County Radon Profile

The bedrock and soils beneath Walworth 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 6 cities in Walworth County average 6.71 pCi/L across 7 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 Walworth County.

Radon FAQ for Delavan, WI

What is the average radon level in Delavan, WI?
Based on 1 user-submitted test, the average radon level in Delavan is 6.00 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 Delavan in?
Delavan and the 53115 zip code are in Walworth 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 Delavan?
Radon mitigation in Delavan 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 Delavan?
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.