Granton, WI Radon Levels

Q: What EPA Radon Zone is Granton in?

Granton is in Clark County, EPA Zone 2.

Q: How much does radon mitigation cost in Granton?

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

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

Granton, WI Radon Facts

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

County Clark County, WI

Zip Code 54436

Granton is situated in Clark County in central Wisconsin, where glacial deposits over sandstone bedrock create variable radon conditions throughout the region. While specific radon data for zip code 54436 is currently limited, Wisconsin's geology generally produces moderate radon levels that warrant homeowner attention. Testing is strongly recommended for all homes in Granton, particularly those with basements or crawl spaces where radon can accumulate.

8.07

pCi/L area average

Above EPA Action Level

Nearby homeowner readings average 8.07 pCi/L, based on 14 tests from 10 nearby cities. No readings have been submitted for Granton 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+

Granton, 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 Granton, WI

No homeowner tests have been submitted for Granton 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
Marshfield	15.0 mi	13.50 pCi/L	2
Stratford	24.9 mi	13.00 pCi/L	1
Black River Falls	26.3 mi	9.00 pCi/L	1
Wisconsin Rapids	31.3 mi	4.50 pCi/L	2
Nekoosa	34.0 mi	6.00 pCi/L	1
Osseo	37.9 mi	5.00 pCi/L	1
Mosinee	41.0 mi	6.00 pCi/L	1
Medford	41.1 mi	7.50 pCi/L	2

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 Granton, WI

What EPA Radon Zone is Granton in?

Granton and the 54436 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 Granton?

No homeowner radon tests have been submitted for Granton 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 Granton 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 Granton?

Radon mitigation in Granton 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 Granton?

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.