Athens, IL Radon Levels

Q: What EPA Radon Zone is Athens in?

Athens is in Menard County, EPA Zone 1.

Q: Why are radon readings shown from areas near Athens?

No homeowner radon tests have been submitted for Athens yet, so readings from the closest cities and the Menard County average are used as the best available indicator of local conditions. The EPA recommends testing every individual home.

Q: How much does radon mitigation cost in Athens?

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

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

Athens, IL Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)

County Menard County, IL

Zip Code 62613

Positioned in central Illinois within Menard County, Athens sits among deep glacial moraine deposits over limestone bedrock that contribute to moderate-to-high radon potential across the central Illinois prairie. While comprehensive radon testing data remains limited for this Springfield Metro area community, the underlying geology suggests homeowners should conduct professional testing. The area's mix of historic homes and newer ranch-style construction, many with full basements, creates ideal conditions for radon accumulation.

8.00

pCi/L area average

Above EPA Action Level

Menard County average: 8.00 pCi/L, based on 1 user-submitted test across 1 city in the county. No homeowner readings have been submitted for Athens 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+

Athens, 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 Athens, IL

No homeowner tests have been submitted for Athens 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
Lincolns New Salem	6.8 mi	8.00 pCi/L	1
Williamsville	6.8 mi	1.00 pCi/L	1
Springfield	13.9 mi	6.50 pCi/L	2
Chatham	22.1 mi	3.00 pCi/L	1
Auburn	27.9 mi	6.00 pCi/L	1
Divernon	29.2 mi	7.00 pCi/L	1
Jacksonville	34.7 mi	9.00 pCi/L	2
Taylorville	36.5 mi	2.00 pCi/L	1

Menard County Radon Profile

The bedrock and soils beneath Menard County are classified by the EPA as Radon Zone 1, the highest-risk tier, with predicted average indoor screening levels above 4 pCi/L. Homeowner-submitted tests from 1 city in Menard County average 8.00 pCi/L across 1 test — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. 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 Menard County.

Radon FAQ for Athens, IL

What EPA Radon Zone is Athens in?

Athens and the 62613 zip code are in Menard County, which has an EPA assigned Radon Zone of 1. A zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L.

Why are radon readings shown from areas near Athens?

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

Radon mitigation in Athens 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 Athens?

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.