Couderay, WI Radon Levels

Q: What EPA Radon Zone is Couderay in?

Couderay is in Sawyer County, EPA Zone 2.

Q: How much does radon mitigation cost in Couderay?

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

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

Couderay, WI Radon Facts

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

County Sawyer County, WI

Zip Code 54828

Situated in northern Wisconsin's Sawyer County, Couderay is located in EPA Zone 2 where moderate-to-elevated radon levels are common throughout the region. The area's granite bedrock and glacial till deposits create geological conditions that can readily produce radon gas, particularly problematic in homes with full basements typical of northern Wisconsin construction. With limited testing data available for zip code 54828, residents should prioritize radon testing to understand their individual risk.

5.00

pCi/L area average

Above EPA Action Level

Sawyer County average: 5.00 pCi/L, based on 2 user-submitted tests across 2 cities in the county. No homeowner readings have been submitted for Couderay 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+

Couderay, 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 Couderay, WI

No homeowner tests have been submitted for Couderay 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
Hayward	8.1 mi	6.00 pCi/L	1
Winter	13.4 mi	4.00 pCi/L	1
Sarona	24.4 mi	4.00 pCi/L	1
Weyerhaeuser	29.2 mi	11.50 pCi/L	2
Clam Lake	29.3 mi	11.00 pCi/L	1
Spooner	30.0 mi	6.00 pCi/L	2
Rice Lake	31.5 mi	6.50 pCi/L	2
Minong	32.5 mi	5.00 pCi/L	1

Sawyer County Radon Profile

The soils and bedrock of Sawyer 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 2 cities in Sawyer County average 5.00 pCi/L across 2 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 Sawyer County to test, as levels can differ between neighboring homes.

Radon FAQ for Couderay, WI

What EPA Radon Zone is Couderay in?

Couderay and the 54828 zip code are in Sawyer 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 Couderay?

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

Radon mitigation in Couderay 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 Couderay?

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.