Mount Olive, IL Radon Levels

Q: What EPA Radon Zone is Mount Olive in?

Mount Olive is in Macoupin County, EPA Zone 2.

Q: How much does radon mitigation cost in Mount Olive?

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

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

Mount Olive, IL Radon Facts

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

County Macoupin County, IL

Zip Code 62069

Situated in Macoupin County within the St. Louis Metro area, Mount Olive lies where glacial deposits over limestone bedrock contribute to moderate radon potential across central Illinois. While specific testing data for the 62069 zip code is currently limited, the area's geological conditions warrant homeowner attention to radon risk. Residents should test their homes, particularly older properties with full basements where radon accumulation is most common.

8.50

pCi/L area average

Above EPA Action Level

Macoupin County average: 8.50 pCi/L, based on 2 user-submitted tests across 2 cities in the county. No homeowner readings have been submitted for Mount Olive itself yet, so this county figure is the closest available benchmark. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Mount Olive, 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 Mount Olive, IL

No homeowner tests have been submitted for Mount Olive 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
Staunton	4.5 mi	8.00 pCi/L	1
Carlinville	16.4 mi	9.00 pCi/L	1
Highland	21.5 mi	6.00 pCi/L	1
East Alton	22.4 mi	4.00 pCi/L	1
Glen Carbon	24.6 mi	2.50 pCi/L	2
Troy	24.9 mi	4.00 pCi/L	1
Godfrey	26.2 mi	6.00 pCi/L	1
Maryville	27.4 mi	11.00 pCi/L	1

Macoupin County Radon Profile

EPA mapping assigns Macoupin County to Radon Zone 2, indicating moderate predicted indoor screening levels in the 2 to 4 pCi/L range based on regional geology. Homeowner-submitted tests from 2 cities in Macoupin County average 8.50 pCi/L across 2 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. As the second leading cause of lung cancer in the U.S., radon warrants testing in every Macoupin County home regardless of zone or a neighbor's results.

Radon FAQ for Mount Olive, IL

What EPA Radon Zone is Mount Olive in?

Mount Olive and the 62069 zip code are in Macoupin 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 Mount Olive?

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

Radon mitigation in Mount Olive 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 Mount Olive?

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.