Prairie Du Sac, WI Radon Levels

Q: What EPA Radon Zone is Prairie Du Sac in?

Prairie Du Sac is in Sauk County, EPA Zone 2.

Q: How much does radon mitigation cost in Prairie Du Sac?

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

Check local Prairie Du Sac radon levels and find certified testing and mitigation professionals to keep your home safe

Prairie Du Sac, WI Radon Facts

EPA Radon Zone Zone 2 — Moderate Risk 2–4 pCi/L (Zone 2)

County Sauk County, WI

Zip Code 53578

Situated in Sauk County within the Madison metro area, Prairie Du Sac lies in Wisconsin's glacial landscape where sandstone bluffs and glacial deposits create variable radon conditions throughout the region. Without sufficient local testing data, homeowners in this Wisconsin River valley community should conduct radon testing to determine their specific exposure levels.

6.75

pCi/L area average

Above EPA Action Level

Sauk County average: 6.75 pCi/L, based on 4 user-submitted tests across 3 cities in the county. No homeowner readings have been submitted for Prairie Du Sac 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+

Prairie Du Sac, 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 Prairie Du Sac?

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

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

Radon Readings Near Prairie Du Sac, WI

No homeowner tests have been submitted for Prairie Du Sac 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
Waunakee	16.7 mi	5.50 pCi/L	2
Middleton	17.8 mi	4.00 pCi/L	1
Spring Green	17.8 mi	4.00 pCi/L	1
Arlington	19.3 mi	6.00 pCi/L	1
Mount Horeb	20.3 mi	9.00 pCi/L	1
Blue Mounds	20.6 mi	15.00 pCi/L	1
Reedsburg	20.6 mi	5.00 pCi/L	1
Portage	22.3 mi	9.00 pCi/L	1

Sauk County Radon Profile

The soils and bedrock of Sauk County place it in EPA Radon Zone 2, a moderate-risk classification with predicted indoor averages of 2 to 4 pCi/L. Homeowner-submitted tests from 3 cities in Sauk County average 6.75 pCi/L across 4 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 Sauk County to test, as levels can differ between neighboring homes.

Radon FAQ for Prairie Du Sac, WI

What EPA Radon Zone is Prairie Du Sac in?

Prairie Du Sac and the 53578 zip code are in Sauk County, which has an EPA assigned Radon Zone of 2. A zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L.

Why are radon readings shown from areas near Prairie Du Sac?

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

Radon mitigation in Prairie Du Sac 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 Prairie Du Sac?

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.