Redgranite, WI Radon Levels

Q: What EPA Radon Zone is Redgranite in?

Redgranite is in Waushara County, EPA Zone 2.

Q: How much does radon mitigation cost in Redgranite?

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

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

Redgranite, WI Radon Facts

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

County Waushara County, WI

Zip Code 54970

Located in Waushara County in central Wisconsin, Redgranite sits atop glacial outwash plains that can influence radon migration patterns. Testing data for this community remains limited, making professional radon testing particularly important for homeowners in zip code 54970. Given Wisconsin's variable geology and the prevalence of basement foundations, residents should conduct radon testing to determine their home's specific risk level.

12.33

pCi/L area average

Above EPA Action Level

Waushara County average: 12.33 pCi/L, based on 3 user-submitted tests across 3 cities in the county. No homeowner readings have been submitted for Redgranite 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+

Redgranite, 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 Redgranite, WI

No homeowner tests have been submitted for Redgranite 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
Wautoma	8.5 mi	15.00 pCi/L	1
Green Lake	15.2 mi	6.00 pCi/L	1
Coloma	19.7 mi	17.00 pCi/L	1
Hancock	22.5 mi	5.00 pCi/L	1
Oshkosh	26.9 mi	19.00 pCi/L	1
Greenville	33.0 mi	7.00 pCi/L	1
Fond Du Lac	34.4 mi	5.00 pCi/L	1
Friendship	35.8 mi	20.00 pCi/L	1

Waushara County Radon Profile

EPA mapping assigns Waushara County to Radon Zone 2, indicating moderate predicted indoor screening levels in the 2 to 4 pCi/L range based on regional geology. Homeowner-submitted tests from 3 cities in Waushara County average 12.33 pCi/L across 3 tests — 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 Waushara County home regardless of zone or a neighbor's results.

Radon FAQ for Redgranite, WI

What EPA Radon Zone is Redgranite in?

Redgranite and the 54970 zip code are in Waushara 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 Redgranite?

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

Radon mitigation in Redgranite 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 Redgranite?

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.