Sparland, IL Radon Mitigation and Testing

Q: What EPA Radon Zone is Sparland in?

Sparland is in Marshall County, EPA Zone 1.

Q: How much does radon mitigation cost in Sparland?

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

Marshall County

EPA Zone 1

Sparland sits in Marshall County along the Illinois River valley, where alluvial soils meet underlying Ordovician limestone typical of the Peoria Metro region. The community features a mix of historic homes and newer construction, many with full basements common to central Illinois building practices. Without available radon testing data for the 61565 area, homeowners should consider professional testing to establish their property's radon profile.

Sparland, IL Radon Mitigation

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

Sparland, IL Radon Testing

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

Sparland Radon Facts

Key details about the radon risk profile for Sparland and the 61565 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Marshall County, IL

Zip Code

61565

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Sparland and the 61565 zip code are located in Marshall 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 Sparland, IL

What EPA Radon Zone is Sparland in?

Sparland and the 61565 zip code are in Marshall 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 Sparland?

Radon mitigation in Sparland 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 Sparland?

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