Manito, IL Radon Mitigation and Testing

Q: What EPA Radon Zone is Manito in?

Manito is in Mason County, EPA Zone 1.

Q: How much does radon mitigation cost in Manito?

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

Mason County

EPA Zone 1

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.

Manito, IL Radon Mitigation

Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.

Manito, IL Radon Testing

Finding qualified radon testing professionals is the first step toward protecting your home.

Manito Radon Facts

Key details about the radon risk profile for Manito and the 61546 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Mason County, IL

Zip Code

61546

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Manito and the 61546 zip code are located in Mason County, which has an EPA assigned Radon Zone of 1. A radon zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

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.

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.

Most Active Radon Markets in Illinois

Cities with the most user-submitted radon test data in the state.

City	Avg User Radon Level	Submissions
Buffalo Grove	6.10 pCi/L	10
Crystal Lake	7.25 pCi/L	8
Lake Zurich	6.00 pCi/L	7
Grayslake	5.00 pCi/L	7
New Lenox	10.17 pCi/L	6
Park Ridge	7.00 pCi/L	6
Arlington Heights	6.17 pCi/L	6
Waterloo	9.20 pCi/L	5
Palatine	7.80 pCi/L	5
Round Lake	7.80 pCi/L	5
Northbrook	6.20 pCi/L	5
Mchenry	11.00 pCi/L	4
Dekalb	8.75 pCi/L	4
Columbia	8.00 pCi/L	4
Lisle	7.25 pCi/L	4
Normal	7.25 pCi/L	4
Antioch	7.00 pCi/L	4
Elk Grove Village	7.00 pCi/L	4
Aurora	6.75 pCi/L	4
Hoffman Estates	6.75 pCi/L	4