Linden, WI Radon Levels

Q: What EPA Radon Zone is Linden in?

Linden is in Iowa County, EPA Zone 1.

Q: Why are radon readings shown from areas near Linden?

No homeowner radon tests have been submitted for Linden yet, so readings from the closest cities and the Iowa County average are used as the best available indicator of local conditions. The EPA recommends testing every individual home.

Q: How much does radon mitigation cost in Linden?

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

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

Linden, WI Radon Facts

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

County Iowa County, WI

Zip Code 53553

Situated in Iowa County within the Madison Metro area, Linden sits in Wisconsin's Driftless Area where limestone bedrock and residual soils create potential for radon accumulation in homes. Testing data for zip code 53553 is currently limited, making individual home testing crucial for residents to understand their radon exposure levels. The community's rural character includes both historic farmhouses with stone foundations and newer homes, each presenting different radon risk profiles.

8.00

pCi/L area average

Above EPA Action Level

Iowa County average: 8.00 pCi/L, based on 1 user-submitted test across 1 city in the county. No homeowner readings have been submitted for Linden 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+

Linden, 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 Linden, WI

No homeowner tests have been submitted for Linden yet. The closest cities with user-submitted radon data are shown below — explore them to gauge local conditions. Radon varies by home, so testing is the only way to know your level.

City	Distance	Avg User Level	Readings
Ridgeway	15.9 mi	8.00 pCi/L	1
Spring Green	21.5 mi	4.00 pCi/L	1
Blue Mounds	23.3 mi	15.00 pCi/L	1
Potosi	26.6 mi	17.00 pCi/L	1
Blue River	26.9 mi	6.00 pCi/L	1
Mount Horeb	27.8 mi	9.00 pCi/L	1
New Glarus	33.0 mi	7.00 pCi/L	1
Verona	37.2 mi	18.00 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 Linden, WI

What EPA Radon Zone is Linden in?

Linden and the 53553 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.

Why are radon readings shown from areas near Linden?

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

Radon mitigation in Linden 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 Linden?

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.