Humbird, WI Radon Levels

Q: What EPA Radon Zone is Humbird in?

Humbird is in Clark County, EPA Zone 2.

Q: How much does radon mitigation cost in Humbird?

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

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

Humbird, WI Radon Facts

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

County Clark County, WI

Zip Code 54746

Situated in Clark County in west-central Wisconsin, Humbird falls within EPA Zone 2 where radon testing submissions are still developing. The area's glacial deposits over sedimentary bedrock create conditions that can produce variable radon levels across different properties. Local residents in the 54746 zip code area should consider professional radon measurement to understand their home's specific risk profile.

7.33

pCi/L area average

Above EPA Action Level

Nearby homeowner readings average 7.33 pCi/L, based on 12 tests from 10 nearby cities. No readings have been submitted for Humbird yet, so the closest recorded data is shown as a benchmark. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Humbird, 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 Humbird, WI

No homeowner tests have been submitted for Humbird 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
Osseo	16.4 mi	5.00 pCi/L	1
Black River Falls	16.9 mi	9.00 pCi/L	1
Fall Creek	25.3 mi	8.00 pCi/L	1
Altoona	32.7 mi	6.00 pCi/L	1
Marshfield	36.0 mi	13.50 pCi/L	2
Sparta	40.4 mi	5.00 pCi/L	2
Jim Falls	42.2 mi	5.00 pCi/L	1
Holmen	42.7 mi	2.00 pCi/L	1

Clark County Radon Profile

EPA mapping assigns Clark County to Radon Zone 2, indicating moderate predicted indoor screening levels in the 2 to 4 pCi/L range based on regional geology. Direct test data for Clark County remains limited, so the closest neighboring readings are used here to represent the radon conditions homeowners are likely to encounter. As the second leading cause of lung cancer in the U.S., radon warrants testing in every Clark County home regardless of zone or a neighbor's results.

Radon FAQ for Humbird, WI

What EPA Radon Zone is Humbird in?

Humbird and the 54746 zip code are in Clark 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 Humbird?

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

Radon mitigation in Humbird 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 Humbird?

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.