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New Glarus, WI Radon Levels

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


New Glarus, WI Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)
County Green County, WI
Zip Code 53574
Avg. User Level 7.00 pCi/L
User Tests 1

Nestled in Green County within the Madison metropolitan area, New Glarus sits on Wisconsin's dolomite bedrock formations that contribute to elevated radon potential throughout the region. Testing data shows an average radon level of 7.0 pCi/L, exceeding the EPA action threshold and requiring mitigation consideration. The community's Swiss heritage architecture includes many homes with full basements that can concentrate radon gas in zip code 53574.

7.00
pCi/L average
Above EPA Action Level

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

0
4.0 EPA
10+

New Glarus, WI Radon Mitigation

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

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New Glarus, WI Radon Levels

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

Radon LevelCityHome AgeFoundation
7 pCi/L New Glarus, WI 51-99 Years Full Basement

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

Radon Readings Near New Glarus, WI

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

CityDistanceAvg User LevelReadings
Verona 13.6 mi 18.00 pCi/L 1
Mount Horeb 13.9 mi 9.00 pCi/L 1
Monroe 14.9 mi 13.00 pCi/L 2
Oregon 15.2 mi 12.00 pCi/L 1
Blue Mounds 16.3 mi 15.00 pCi/L 1
Middleton 21.2 mi 4.00 pCi/L 1
Ridgeway 22.0 mi 8.00 pCi/L 1
Mc Farland 22.3 mi 9.00 pCi/L 1

Green County Radon Profile

Because of its underlying geology, Green County is mapped as EPA Radon Zone 1 — the most elevated classification — where predicted indoor screening averages exceed 4 pCi/L. Homeowner-submitted tests from 2 cities in Green County average 11.00 pCi/L across 3 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. As the second leading cause of lung cancer in the U.S., radon warrants testing in every Green County home regardless of zone or a neighbor's results.

Radon FAQ for New Glarus, WI

What is the average radon level in New Glarus, WI?
Based on 1 user-submitted test, the average radon level in New Glarus is 7.00 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 New Glarus in?
New Glarus and the 53574 zip code are in Green 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 New Glarus?
Radon mitigation in New Glarus 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 New Glarus?
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.