Cordova, IL Radon Mitigation and Testing

Q: What EPA Radon Zone is Cordova in?

Cordova is in Rock Island County, EPA Zone 1.

Q: How much does radon mitigation cost in Cordova?

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

Rock Island County

EPA Zone 1

Found in Rock Island County along the Mississippi River, Cordova sits within EPA Zone 1 and rests on river valley alluvial soils over limestone bedrock that create favorable conditions for radon production. Although testing data for zip code 61242 is currently limited, Illinois River valley communities often show elevated radon potential requiring homeowner attention. The area's mix of older homes and agricultural properties, many with basements typical of this Davenport metro region, provides conditions where radon can accumulate to concerning levels.

Cordova, IL Radon Mitigation

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

Cordova, IL Radon Testing

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

Cordova Radon Facts

Key details about the radon risk profile for Cordova and the 61242 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Rock Island County, IL

Zip Code

61242

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Cordova and the 61242 zip code are located in Rock Island 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 Cordova, IL

What EPA Radon Zone is Cordova in?

Cordova and the 61242 zip code are in Rock Island 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 Cordova?

Radon mitigation in Cordova 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 Cordova?

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