Chillicothe, IL Radon Mitigation and Testing

Q: What EPA Radon Zone is Chillicothe in?

Chillicothe is in Peoria County, EPA Zone 1.

Q: How much does radon mitigation cost in Chillicothe?

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

Peoria County

EPA Zone 1

Situated along the Illinois River in Peoria County, Chillicothe benefits from its location within the Peoria Metro area while sitting on river valley alluvial soils over limestone bedrock. The community's housing reflects both historic river town architecture and suburban development, many homes featuring full basements typical of Illinois construction. Testing data for zip code 61523 is currently limited, though the underlying geology suggests residents should pursue individual radon testing given the variable conditions in river valley settings.

Chillicothe, IL Radon Mitigation

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

Chillicothe, IL Radon Testing

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

Chillicothe Radon Facts

Key details about the radon risk profile for Chillicothe and the 61523 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Peoria County, IL

Zip Code

61523

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Chillicothe and the 61523 zip code are located in Peoria 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 Chillicothe, IL

What EPA Radon Zone is Chillicothe in?

Chillicothe and the 61523 zip code are in Peoria 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 Chillicothe?

Radon mitigation in Chillicothe 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 Chillicothe?

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