Dorchester, WI Radon Levels

Q: What EPA Radon Zone is Dorchester in?

Dorchester is in Clark County, EPA Zone 2.

Q: How much does radon mitigation cost in Dorchester?

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

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

Dorchester, WI Radon Facts

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

County Clark County, WI

Zip Code 54425

Rural Clark County places this Dorchester in central Wisconsin's EPA Zone 2, where glacial deposits over sandstone bedrock contribute to moderate radon potential. With testing data sparse for the 54425 area, homeowners should conduct professional radon testing to determine their specific exposure levels. The community's agricultural setting and varied foundation types make individual assessment particularly important.

7.58

pCi/L area average

Above EPA Action Level

Nearby homeowner readings average 7.58 pCi/L, based on 12 tests from 8 nearby cities. No readings have been submitted for Dorchester 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+

Dorchester, 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 Dorchester, WI

No homeowner tests have been submitted for Dorchester 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
Medford	10.2 mi	7.50 pCi/L	2
Stratford	20.9 mi	13.00 pCi/L	1
Marshfield	25.3 mi	13.50 pCi/L	2
Mosinee	35.9 mi	6.00 pCi/L	1
Jim Falls	44.2 mi	5.00 pCi/L	1
Fall Creek	48.2 mi	8.00 pCi/L	1
Gleason	48.9 mi	4.00 pCi/L	2
Wisconsin Rapids	49.4 mi	4.50 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 Dorchester, WI

What EPA Radon Zone is Dorchester in?

Dorchester and the 54425 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 Dorchester?

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

Radon mitigation in Dorchester 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 Dorchester?

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.