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Manito, IL Radon Levels

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


Manito, IL Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)
County Mason County, IL
Zip Code 61546

Located in Mason County within the Peoria Metro area, Manito sits on Illinois River valley alluvial soils over limestone bedrock that create variable radon conditions. The community's housing stock includes both historic homes and postwar construction, many with full basements where radon can accumulate. Testing data for zip code 61546 is currently limited, so residents should prioritize radon testing to understand their individual home's risk profile.

8.53
pCi/L area average
Above EPA Action Level

Nearby homeowner readings average 8.53 pCi/L, based on 15 tests from 10 nearby cities. No readings have been submitted for Manito yet, so the closest recorded data is shown as a benchmark. The EPA recommends taking action at or above 4.0 pCi/L.

0
4.0 EPA
10+

Manito, 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 Manito, IL

No homeowner tests have been submitted for Manito 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.

CityDistanceAvg User LevelReadings
Mapleton 14.0 mi 8.00 pCi/L 1
Cuba 21.4 mi 6.00 pCi/L 1
East Peoria 21.7 mi 8.00 pCi/L 3
Peoria 22.0 mi 5.00 pCi/L 1
Mackinaw 24.8 mi 20.00 pCi/L 1
Lincolns New Salem 26.6 mi 8.00 pCi/L 1
Dunlap 30.6 mi 7.00 pCi/L 1
Metamora 31.7 mi 7.50 pCi/L 2

Mason County Radon Profile

Mason County falls in EPA Radon Zone 1, meaning the local uranium-bearing geology is predicted to drive average indoor radon screening levels above the EPA's 4 pCi/L action threshold. Few homeowner tests have been logged inside Mason 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 Mason County to test, as levels can differ between neighboring homes.

Radon FAQ for Manito, IL

What EPA Radon Zone is Manito in?
Manito and the 61546 zip code are in Mason 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 Manito?
No homeowner radon tests have been submitted for Manito yet. Because radon is driven by regional soil and bedrock geology, readings from the closest cities—and the Mason County average—are the best available indicator of local conditions until Manito 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 Manito?
Radon mitigation in Manito 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 Manito?
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.