Maroa, IL Radon Levels

Q: What EPA Radon Zone is Maroa in?

Maroa is in Macon County, EPA Zone 1.

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

No homeowner radon tests have been submitted for Maroa yet, so readings from the closest cities and the Macon 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 Maroa?

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

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

Maroa, IL Radon Facts

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

County Macon County, IL

Zip Code 61756

Positioned in Macon County within central Illinois prairie country, Maroa sits above deep glacial moraine deposits over limestone bedrock that contribute to moderate-to-high radon potential across the region. Since testing data for this zip code 61756 community remains limited, residents should conduct radon testing in their homes. The area's geological conditions warrant careful attention to radon levels.

7.17

pCi/L area average

Above EPA Action Level

Nearby homeowner readings average 7.17 pCi/L, based on 18 tests from 10 nearby cities. No readings have been submitted for Maroa 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+

Maroa, 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 Maroa, IL

No homeowner tests have been submitted for Maroa 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
Monticello	20.6 mi	4.50 pCi/L	2
Le Roy	24.0 mi	5.00 pCi/L	1
Moweaqua	28.5 mi	7.00 pCi/L	1
Bloomington	29.7 mi	11.33 pCi/L	3
Williamsville	31.8 mi	1.00 pCi/L	1
Mahomet	31.9 mi	5.00 pCi/L	1
Normal	33.1 mi	7.25 pCi/L	4
Champaign	36.9 mi	6.67 pCi/L	3

Macon County Radon Profile

The bedrock and soils beneath Macon County are classified by the EPA as Radon Zone 1, the highest-risk tier, with predicted average indoor screening levels above 4 pCi/L. User-submitted readings are still sparse within Macon 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 Macon County.

Radon FAQ for Maroa, IL

What EPA Radon Zone is Maroa in?

Maroa and the 61756 zip code are in Macon 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 Maroa?

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

Radon mitigation in Maroa 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 Maroa?

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.