Coal Valley, IL Radon Mitigation and Testing

Q: What is the average radon level in Coal Valley, IL?

Based on 1 user-submitted tests, the average radon level is 12.00 pCi/L.

Q: What EPA Radon Zone is Coal Valley in?

Coal Valley is in Rock Island County, EPA Zone 1.

Q: How much does radon mitigation cost in Coal Valley?

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

Avg: 12.00 pCi/L

Rock Island County

EPA Zone 1

1 user test

Coal Valley is located in Rock Island County, Illinois. With 1 user-submitted readings averaging 12.00 pCi/L, the area exceeds the EPA's 4.0 pCi/L action threshold, and testing is strongly recommended for homeowners in the 61240 zip code.

12.00

pCi/L average

Above EPA Action Level

Based on 1 user-submitted radon test for homes in Coal Valley, IL. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Coal Valley, IL Radon Mitigation

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

Coal Valley, IL Radon Testing

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

Coal Valley, Illinois Radon Levels

User-submitted radon test readings from homes in the Coal Valley area.

Radon Level	City	Home Age	Foundation	Submitted
12 pCi/L	Coal Valley, IL	21-50 Years	Full Basement	Jul 2024

Have a radon test result for Coal Valley? Submit your reading to help other homeowners.

Coal Valley Radon Facts

Key details about the radon risk profile for Coal Valley and the 61240 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Rock Island County, IL

Zip Code

61240

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Avg. User Submitted Level

12.00 pCi/L

User Tests Submitted

Coal Valley and the 61240 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 Coal Valley, IL

What is the average radon level in Coal Valley, IL?

Based on 1 user-submitted test, the average radon level in Coal Valley is 12.00 pCi/L. This exceeds the EPA's recommended action level of 4.0 pCi/L, and radon testing is recommended for all homes in the area.

What EPA Radon Zone is Coal Valley in?

Coal Valley and the 61240 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 Coal Valley?

Radon mitigation in Coal Valley 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 Coal Valley?

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