Eldorado, WI Radon Levels

Q: What EPA Radon Zone is Eldorado in?

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

Q: How much does radon mitigation cost in Eldorado?

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

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

Eldorado, WI Radon Facts

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

County Fond Du Lac County, WI

Zip Code 54932

Situated in Fond Du Lac County within east-central Wisconsin, Eldorado sits atop glacial deposits that contribute to the state's generally elevated radon potential throughout the region. Current testing data for zip code 54932 is not available, making individual home testing essential for residents given Wisconsin's consistently high radon levels. The area's glacial till soils and typical basement construction create conditions favorable for radon gas accumulation in homes.

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 Eldorado 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+

Eldorado, 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 Eldorado, WI

No homeowner tests have been submitted for Eldorado 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	7.7 mi	5.00 pCi/L	1
Oshkosh	12.7 mi	19.00 pCi/L	1
Green Lake	16.4 mi	6.00 pCi/L	1
Beaver Dam	28.1 mi	10.00 pCi/L	1
New Holstein	28.2 mi	7.00 pCi/L	1
Kewaskum	31.4 mi	8.00 pCi/L	1
Juneau	32.0 mi	4.00 pCi/L	1
Greenville	32.1 mi	7.00 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 Eldorado, WI

What EPA Radon Zone is Eldorado in?

Eldorado and the 54932 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 Eldorado?

No homeowner radon tests have been submitted for Eldorado 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 Eldorado 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 Eldorado?

Radon mitigation in Eldorado 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 Eldorado?

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.