Benton, WI Radon Levels

Q: What EPA Radon Zone is Benton in?

Benton is in Lafayette County, EPA Zone 1.

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

No homeowner radon tests have been submitted for Benton yet, so readings from the closest cities and the Lafayette 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 Benton?

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

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

Benton, WI Radon Facts

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

County Lafayette County, WI

Zip Code 53803

Positioned in southwestern Wisconsin's Lafayette County, Benton lies within EPA zone 1 where the state's dolomite bedrock and glacial deposits frequently generate elevated radon concentrations. Limited testing data exists for zip code 53803, highlighting the need for homeowners to conduct their own radon assessments. The region's typical housing stock of homes with full basements creates ideal conditions for radon accumulation if entry points aren't properly sealed.

10.22

pCi/L area average

Above EPA Action Level

Nearby homeowner readings average 10.22 pCi/L, based on 9 tests from 8 nearby cities. No readings have been submitted for Benton yet, so the closest recorded data is shown as a benchmark. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Benton, WI Radon Mitigation

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

Need Radon Mitigation or Testing in Benton?

100% Free, No-Obligation Quotes
Matches You with State-Licensed Lafayette County Pros

1-800-299-3578 608-318-4941 (local) Toll-free · Mon–Fri 8am–6pm ET

Radon Readings Near Benton, WI

No homeowner tests have been submitted for Benton 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
Potosi	20.0 mi	17.00 pCi/L	1
Monroe	36.3 mi	13.00 pCi/L	2
Ridgeway	36.3 mi	8.00 pCi/L	1
New Glarus	40.1 mi	7.00 pCi/L	1
Blue Mounds	40.7 mi	15.00 pCi/L	1
Mount Horeb	43.7 mi	9.00 pCi/L	1
Spring Green	46.1 mi	4.00 pCi/L	1
Blue River	48.6 mi	6.00 pCi/L	1

Lafayette County Radon Profile

Lafayette 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. Few homeowner tests have been logged inside Lafayette County so far, which is why this page draws on the nearest recorded readings to illustrate regional radon levels. Since radon is the second leading cause of lung cancer nationally, the EPA urges every household in Lafayette County to test, as levels can differ between neighboring homes.

Radon FAQ for Benton, WI

What EPA Radon Zone is Benton in?

Benton and the 53803 zip code are in Lafayette 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 Benton?

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

Radon mitigation in Benton 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 Benton?

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.