Montello, WI Radon Levels

Q: What EPA Radon Zone is Montello in?

Montello is in Marquette County, EPA Zone 2.

Q: How much does radon mitigation cost in Montello?

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

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

Montello, WI Radon Facts

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

County Marquette County, WI

Zip Code 53949

Small-town Montello in Marquette County (zip code 53949) sits among Wisconsin's central lake country, where glacial activity shaped both landscape and soil composition. While local radon testing data remains limited, Wisconsin's glacial till and granite outcrops can create elevated radon conditions requiring homeowner attention. The area's mix of year-round residences and seasonal properties makes individual testing especially valuable for understanding specific property risks.

10.20

pCi/L area average

Above EPA Action Level

Nearby homeowner readings average 10.20 pCi/L, based on 10 tests from 10 nearby cities. No readings have been submitted for Montello 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+

Montello, 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 Montello?

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Radon Readings Near Montello, WI

No homeowner tests have been submitted for Montello 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
Portage	16.1 mi	9.00 pCi/L	1
Pardeeville	16.3 mi	4.00 pCi/L	1
Coloma	19.1 mi	17.00 pCi/L	1
Green Lake	20.1 mi	6.00 pCi/L	1
Wautoma	21.0 mi	15.00 pCi/L	1
Hancock	26.4 mi	5.00 pCi/L	1
Friendship	27.4 mi	20.00 pCi/L	1
Fall River	29.4 mi	10.00 pCi/L	1

Marquette County Radon Profile

Marquette County is mapped as EPA Radon Zone 2, where the local geology is predicted to produce moderate indoor screening levels between 2 and 4 pCi/L. User-submitted readings are still sparse within Marquette County itself, so the nearby measurements shown on this page provide the closest real-world picture of local radon conditions. Radon is the second leading cause of lung cancer in the United States, and a short-term test is the only way to confirm a specific home's level in Marquette County.

Radon FAQ for Montello, WI

What EPA Radon Zone is Montello in?

Montello and the 53949 zip code are in Marquette 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 Montello?

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

Radon mitigation in Montello 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 Montello?

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.