Glen Carbon, IL Radon Mitigation and Testing

Q: What is the average radon level in Glen Carbon, IL?

Based on 2 user-submitted tests, the average radon level is 2.50 pCi/L.

Q: What EPA Radon Zone is Glen Carbon in?

Glen Carbon is in Madison County, EPA Zone 2.

Q: How much does radon mitigation cost in Glen Carbon?

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

Avg: 2.50 pCi/L

Madison County

EPA Zone 2

2 user tests

Glen Carbon is located in Madison County, Illinois. With 2 user-submitted readings averaging 2.50 pCi/L, levels are currently below the EPA's recommended action level of 4.0 pCi/L. However, we recommend all homes be tested regardless of your neighbor's results.

2.50

pCi/L average

Below EPA Action Level

Based on 2 user-submitted radon tests for homes in Glen Carbon, IL. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Glen Carbon, IL Radon Mitigation

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

Glen Carbon, IL Radon Testing

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

Glen Carbon, Illinois Radon Levels

User-submitted radon test readings from homes in the Glen Carbon area.

Radon Level	City	Home Age	Foundation	Submitted
1 pCi/L	Glen Carbon, IL	0-20 Years	Partial Basement	Dec 2025
4 pCi/L	Glen Carbon, IL	0-20 Years	Full Basement	Aug 2017

Have a radon test result for Glen Carbon? Submit your reading to help other homeowners.

Glen Carbon Radon Facts

Key details about the radon risk profile for Glen Carbon and the 62034 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Madison County, IL

Zip Code

62034

Predicted Screening Level

2–4 pCi/L (Zone 2)

Avg. User Submitted Level

2.50 pCi/L

User Tests Submitted

Glen Carbon and the 62034 zip code are located in Madison County, which has an EPA assigned Radon Zone of 2. A radon zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Glen Carbon, IL

What is the average radon level in Glen Carbon, IL?

Based on 2 user-submitted tests, the average radon level in Glen Carbon is 2.50 pCi/L. This is below the EPA's recommended action level of 4.0 pCi/L. However, we recommend all homes be tested regardless of your neighbor's results.

What EPA Radon Zone is Glen Carbon in?

Glen Carbon and the 62034 zip code are in Madison County, which has an EPA assigned Radon Zone of 2. A zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L.

How much does radon mitigation cost in Glen Carbon?

Radon mitigation in Glen Carbon 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 Glen Carbon?

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