Ladysmith, WI Radon Levels

Q: What EPA Radon Zone is Ladysmith in?

Ladysmith is in Rusk County, EPA Zone 2.

Q: How much does radon mitigation cost in Ladysmith?

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

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

Ladysmith, WI Radon Facts

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

County Rusk County, WI

Zip Code 54848

Set in Rusk County among Wisconsin's northern forests, Ladysmith's glacial terrain over Precambrian bedrock can create variable radon conditions, though specific local data isn't available. The region's diverse geology and seasonal ground freezing patterns influence radon levels throughout the year. Traditional northern Wisconsin construction, often featuring full basements, requires careful attention to radon testing and mitigation planning.

11.50

pCi/L area average

Above EPA Action Level

Rusk County average: 11.50 pCi/L, based on 2 user-submitted tests across 1 city in the county. No homeowner readings have been submitted for Ladysmith 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+

Ladysmith, 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 Ladysmith, WI

No homeowner tests have been submitted for Ladysmith yet, so the closest user-submitted readings from neighboring communities are shown below. Radon varies by home — testing is the only way to know your level.

Radon Level	City	Distance	Home Age	Foundation	Submitted
11 pCi/L	Weyerhaeuser, WI	15.8 mi	21-50 Years	Full Basement	May 2025
12 pCi/L	Weyerhaeuser, WI	15.8 mi	21-50 Years	Full Basement	Oct 2020
4 pCi/L	Winter, WI	25.3 mi	21-50 Years	Full Basement	Oct 2022
5 pCi/L	Jim Falls, WI	27.4 mi	51-99 Years	Partial Basement	Jun 2022
5 pCi/L	Chetek, WI	28.5 mi	21-50 Years	Full Basement	Nov 2018

Readings are drawn from the nearest cities with submitted data. Have a result for Ladysmith? Submit your reading to help your neighbors.

Rusk County Radon Profile

The soils and bedrock of Rusk 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 1 city in Rusk County average 11.50 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 Rusk County to test, as levels can differ between neighboring homes.

Radon FAQ for Ladysmith, WI

What EPA Radon Zone is Ladysmith in?

Ladysmith and the 54848 zip code are in Rusk 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 Ladysmith?

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

Radon mitigation in Ladysmith 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 Ladysmith?

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.

Radon Levels Near Ladysmith, WI

User-submitted radon levels from the cities closest to Ladysmith with recorded test data. Explore nearby communities to compare local readings.

City	Distance	Avg User Level	Submissions
Weyerhaeuser	15.8 mi	11.50 pCi/L	2