Rosendale, WI Radon Levels

Q: What EPA Radon Zone is Rosendale in?

Rosendale is in Fond Du Lac County, EPA Zone 1.

Q: How much does radon mitigation cost in Rosendale?

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

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

Rosendale, WI Radon Facts

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

County Fond Du Lac County, WI

Zip Code 54974

Located in Fond Du Lac County on Wisconsin's glaciated landscape, Rosendale sits on glacial till deposits over sedimentary bedrock that can affect radon production. Current testing data for zip code 54974 is sparse, making individual home evaluation important. Wisconsin communities often feature homes with full basements that can concentrate radon gas from underlying soil conditions.

5.00

pCi/L area average

Above EPA Action Level

Fond Du Lac County average: 5.00 pCi/L, based on 1 user-submitted test across 1 city in the county. No homeowner readings have been submitted for Rosendale 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+

Rosendale, 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 Rosendale, WI

No homeowner tests have been submitted for Rosendale 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
Fond Du Lac	6.2 mi	5.00 pCi/L	1
Oshkosh	16.2 mi	19.00 pCi/L	1
Green Lake	16.7 mi	6.00 pCi/L	1
Beaver Dam	24.7 mi	10.00 pCi/L	1
Juneau	28.4 mi	4.00 pCi/L	1
Kewaskum	29.1 mi	8.00 pCi/L	1
New Holstein	29.5 mi	7.00 pCi/L	1
Plymouth	33.2 mi	6.00 pCi/L	1

Fond Du Lac County Radon Profile

Because of its underlying geology, Fond Du Lac 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 1 city in Fond Du Lac County average 5.00 pCi/L across 1 test — 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 Fond Du Lac County home regardless of zone or a neighbor's results.

Radon FAQ for Rosendale, WI

What EPA Radon Zone is Rosendale in?

Rosendale and the 54974 zip code are in Fond Du Lac 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 Rosendale?

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

Radon mitigation in Rosendale 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 Rosendale?

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.