Mazomanie, WI Radon Levels

Q: What EPA Radon Zone is Mazomanie in?

Mazomanie is in Dane County, EPA Zone 1.

Q: How much does radon mitigation cost in Mazomanie?

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

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

Mazomanie, WI Radon Facts

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

County Dane County, WI

Zip Code 53560

Positioned in Dane County within the Madison Metro area, Mazomanie sits along the Wisconsin River in south-central Wisconsin's driftless region. The community's location on Cambrian sandstone bedrock with glacial deposits creates variable radon conditions across the area. Testing data for zip code 53560 is currently limited, though the region's geological characteristics warrant careful radon assessment by homeowners.

9.75

pCi/L area average

Above EPA Action Level

Dane County average: 9.75 pCi/L, based on 8 user-submitted tests across 7 cities in the county. No homeowner readings have been submitted for Mazomanie 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+

Mazomanie, 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 Mazomanie, WI

No homeowner tests have been submitted for Mazomanie yet, so the closest user-submitted readings from neighboring communities are shown below. Radon varies by home — testing is the only way to know your level.

Radon Level	City	Distance	Home Age	Foundation	Submitted
9 pCi/L	Mount Horeb, WI	12.7 mi	21-50 Years	Full Basement	May 2024
15 pCi/L	Blue Mounds, WI	12.9 mi	—	—	Apr 2020
4 pCi/L	Middleton, WI	14.0 mi	21-50 Years	Full Basement	Mar 2017
4 pCi/L	Spring Green, WI	15.3 mi	100+ Years	Full Basement	Dec 2017
4 pCi/L	Waunakee, WI	15.6 mi	21-50 Years	Full Basement	Dec 2025
7 pCi/L	Waunakee, WI	15.6 mi	0-20 Years	Partial Basement	Oct 2015
18 pCi/L	Verona, WI	16.6 mi	0-20 Years	Full Basement	May 2022
8 pCi/L	Ridgeway, WI	16.7 mi	100+ Years	Partial Basement	Jan 2025

Readings are drawn from the nearest cities with submitted data. Have a result for Mazomanie? Submit your reading to help your neighbors.

Dane County Radon Profile

Dane 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 7 cities in Dane County average 9.75 pCi/L across 8 tests — 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 Dane County to test, as levels can differ between neighboring homes.

Radon FAQ for Mazomanie, WI

What EPA Radon Zone is Mazomanie in?

Mazomanie and the 53560 zip code are in Dane 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 Mazomanie?

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

Radon mitigation in Mazomanie 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 Mazomanie?

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.

Radon Levels Near Mazomanie, WI

User-submitted radon levels from the cities closest to Mazomanie with recorded test data. Explore nearby communities to compare local readings.

City	Distance	Avg User Level	Submissions
Mount Horeb	12.7 mi	9.00 pCi/L	1
Blue Mounds	12.9 mi	15.00 pCi/L	1
Middleton	14.0 mi	4.00 pCi/L	1
Spring Green	15.3 mi	4.00 pCi/L	1
Waunakee	15.6 mi	5.50 pCi/L	2
Verona	16.6 mi	18.00 pCi/L	1
Ridgeway	16.7 mi	8.00 pCi/L	1
Arlington	22.4 mi	6.00 pCi/L	1