Fremont, WI Radon Levels

Q: What EPA Radon Zone is Fremont in?

Fremont is in Waupaca County, EPA Zone 1.

Q: How much does radon mitigation cost in Fremont?

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

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

Fremont, WI Radon Facts

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

County Waupaca County, WI

Zip Code 54940

Positioned in Waupaca County within Wisconsin's chain-of-lakes region, Fremont falls within EPA Zone 1 where Precambrian bedrock and glacial deposits create elevated radon potential. Current testing submissions for the 54940 area are limited, emphasizing the importance of individual home testing throughout this rural community. The region's sandy soils and seasonal water table fluctuations can significantly influence radon gas migration patterns.

8.58

pCi/L area average

Above EPA Action Level

Nearby homeowner readings average 8.58 pCi/L, based on 12 tests from 10 nearby cities. No readings have been submitted for Fremont 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+

Fremont, 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 Fremont, WI

No homeowner tests have been submitted for Fremont 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
Greenville	15.9 mi	7.00 pCi/L	1
Oshkosh	20.9 mi	19.00 pCi/L	1
Wautoma	24.1 mi	15.00 pCi/L	1
Green Lake	27.9 mi	6.00 pCi/L	1
Hancock	35.0 mi	5.00 pCi/L	1
Coloma	35.3 mi	17.00 pCi/L	1
Fond Du Lac	36.2 mi	5.00 pCi/L	1
Stevens Point	40.1 mi	6.00 pCi/L	3

Waupaca County Radon Profile

Waupaca 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 Waupaca 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 Waupaca County to test, as levels can differ between neighboring homes.

Radon FAQ for Fremont, WI

What EPA Radon Zone is Fremont in?

Fremont and the 54940 zip code are in Waupaca 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 Fremont?

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

Radon mitigation in Fremont 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 Fremont?

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.