Long Lake, WI Radon Levels

Q: What EPA Radon Zone is Long Lake in?

Long Lake is in Forest County, EPA Zone 2.

Q: How much does radon mitigation cost in Long Lake?

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

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

Long Lake, WI Radon Facts

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

County Forest County, WI

Zip Code 54542

Located in Forest County within Wisconsin's remote Northwoods region, Long Lake occupies glacial deposits and sandy soils where radon testing data is limited for this 54542 community. The area features lakefront cabins, seasonal homes, and year-round residences, many built on crawl spaces or concrete slabs suited to the region's high water table. While comprehensive local data isn't available, the EPA Zone 2 classification and Wisconsin's glacial geology make radon testing a recommended precaution.

7.00

pCi/L area average

Above EPA Action Level

Forest County average: 7.00 pCi/L, based on 2 user-submitted tests across 2 cities in the county. No homeowner readings have been submitted for Long Lake 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+

Long Lake, WI Radon Mitigation

Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.

Need Radon Mitigation or Testing in Long Lake?

100% Free, No-Obligation Quotes
Matches You with State-Licensed Forest County Pros

1-800-299-3578 920-569-0139 (local) Toll-free · Mon–Fri 8am–6pm ET

Radon Readings Near Long Lake, WI

No homeowner tests have been submitted for Long Lake 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
Armstrong Creek	17.8 mi	9.00 pCi/L	1
Florence	19.0 mi	6.00 pCi/L	1
Crandon	29.2 mi	5.00 pCi/L	1
Eagle River	30.3 mi	4.00 pCi/L	1
Rhinelander	39.5 mi	9.00 pCi/L	1
Athelstane	40.2 mi	20.00 pCi/L	1
Townsend	41.4 mi	6.00 pCi/L	1
Saint Germain	41.5 mi	5.00 pCi/L	1

Forest County Radon Profile

EPA mapping assigns Forest 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 2 cities in Forest County average 7.00 pCi/L across 2 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 Forest County home regardless of zone or a neighbor's results.

Radon FAQ for Long Lake, WI

What EPA Radon Zone is Long Lake in?

Long Lake and the 54542 zip code are in Forest 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 Long Lake?

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

Radon mitigation in Long Lake 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 Long Lake?

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.