Carlyle, IL Radon Mitigation and Testing

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

Based on 1 user-submitted tests, the average radon level is 13.00 pCi/L.

Q: What EPA Radon Zone is Carlyle in?

Carlyle is in Clinton County, EPA Zone 2.

Q: How much does radon mitigation cost in Carlyle?

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

Avg: 13.00 pCi/L

Clinton County

EPA Zone 2

1 user test

Carlyle in Clinton County shows a concerning average radon level of 13.0 pCi/L, significantly exceeding the EPA action threshold. Located on the Illinois side of the St. Louis metro area, the city sits on Mississippi River floodplain deposits over limestone bedrock that create favorable conditions for radon production. Homeowners in zip code 62231 should prioritize radon testing and mitigation given these elevated readings.

13.00

pCi/L average

Above EPA Action Level

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

4.0 EPA

10+

Carlyle, IL Radon Mitigation

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

Carlyle, IL Radon Testing

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

Carlyle, Illinois Radon Levels

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

Radon Level	City	Home Age	Foundation	Submitted
13 pCi/L	Carlyle, IL	0-20 Years	Full Basement	Jan 2020

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

Carlyle Radon Facts

Key details about the radon risk profile for Carlyle and the 62231 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Clinton County, IL

Zip Code

62231

Predicted Screening Level

2–4 pCi/L (Zone 2)

Avg. User Submitted Level

13.00 pCi/L

User Tests Submitted

Carlyle and the 62231 zip code are located in Clinton 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 Carlyle, IL

What is the average radon level in Carlyle, IL?

Based on 1 user-submitted test, the average radon level in Carlyle is 13.00 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 Carlyle in?

Carlyle and the 62231 zip code are in Clinton 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 Carlyle?

Radon mitigation in Carlyle 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 Carlyle?

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