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Green Lake, WI Radon Levels

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


Green Lake, WI Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)
County Green Lake County, WI
Zip Code 54941
Avg. User Level 6.00 pCi/L
User Tests 1

Green Lake in Green Lake County shows elevated radon levels averaging 6.0 pCi/L, well above the EPA action threshold and indicating the need for mitigation measures. The city's position in central Wisconsin's glacial lake region, with sandy soils over limestone bedrock, creates conditions favorable for radon gas accumulation. Homeowners in this recreational lake community should prioritize professional radon testing and mitigation, especially in properties with basements or lower-level living spaces.

6.00
pCi/L average
Above EPA Action Level

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

0
4.0 EPA
10+

Green Lake, WI Radon Mitigation

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

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Green Lake, WI Radon Levels

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

Radon LevelCityHome AgeFoundation
6 pCi/L green lake, WI 100+ Years Full Basement

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

Radon Readings Near Green Lake, WI

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

CityDistanceAvg User LevelReadings
Wautoma 21.3 mi 15.00 pCi/L 1
Fond Du Lac 22.9 mi 5.00 pCi/L 1
Oshkosh 23.6 mi 19.00 pCi/L 1
Beaver Dam 27.2 mi 10.00 pCi/L 1
Pardeeville 27.9 mi 4.00 pCi/L 1
Coloma 29.1 mi 17.00 pCi/L 1
Fall River 31.0 mi 10.00 pCi/L 1
Portage 32.3 mi 9.00 pCi/L 1

Green Lake County Radon Profile

Green Lake County falls in EPA Radon Zone 1, meaning the local uranium-bearing geology is predicted to drive average indoor radon screening levels above the EPA's 4 pCi/L action threshold. Homeowner-submitted tests from 1 city in Green Lake County average 6.00 pCi/L across 1 test — 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 Green Lake County to test, as levels can differ between neighboring homes.

Radon FAQ for Green Lake, WI

What is the average radon level in Green Lake, WI?
Based on 1 user-submitted test, the average radon level in Green Lake 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 Green Lake in?
Green Lake and the 54941 zip code are in Green Lake 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 Green Lake?
Radon mitigation in Green Lake 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 Green Lake?
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.