Nokomis, IL Radon Levels

Q: What EPA Radon Zone is Nokomis in?

Nokomis is in Montgomery County, EPA Zone 2.

Q: How much does radon mitigation cost in Nokomis?

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

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

Nokomis, IL Radon Facts

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

County Montgomery County, IL

Zip Code 62075

Comprehensive radon testing data is not yet available for Nokomis in Montgomery County, making individual home assessments essential for residents of this central Illinois community. The area's deep glacial moraine deposits over limestone bedrock contribute to moderate-to-high radon potential across the central Illinois prairie region. Homeowners in zip code 62075 should conduct thorough testing, especially important given the community's mix of historic homes from the early-to-mid 1900s and newer construction that may have varying radon entry characteristics.

6.54

pCi/L area average

Above EPA Action Level

Nearby homeowner readings average 6.54 pCi/L, based on 13 tests from 10 nearby cities. No readings have been submitted for Nokomis 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+

Nokomis, IL 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 Nokomis, IL

No homeowner tests have been submitted for Nokomis 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
Taylorville	17.0 mi	2.00 pCi/L	1
Moweaqua	26.3 mi	7.00 pCi/L	1
Divernon	27.2 mi	7.00 pCi/L	1
Shelbyville	27.7 mi	17.00 pCi/L	1
Carlinville	31.1 mi	9.00 pCi/L	1
Auburn	31.6 mi	6.00 pCi/L	1
Staunton	33.5 mi	8.00 pCi/L	1
Chatham	34.2 mi	3.00 pCi/L	1

Montgomery County Radon Profile

The soils and bedrock of Montgomery County place it in EPA Radon Zone 2, a moderate-risk classification with predicted indoor averages of 2 to 4 pCi/L. Few homeowner tests have been logged inside Montgomery County so far, which is why this page draws on the nearest recorded readings to illustrate regional radon levels. Since radon is the second leading cause of lung cancer nationally, the EPA urges every household in Montgomery County to test, as levels can differ between neighboring homes.

Radon FAQ for Nokomis, IL

What EPA Radon Zone is Nokomis in?

Nokomis and the 62075 zip code are in Montgomery 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 Nokomis?

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

Radon mitigation in Nokomis 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 Nokomis?

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.