Dwight, IL Radon Mitigation and Testing

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

Based on 1 user-submitted tests, the average radon level is 7.00 pCi/L.

Q: What EPA Radon Zone is Dwight in?

Dwight is in Livingston County, EPA Zone 1.

Q: How much does radon mitigation cost in Dwight?

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

Avg: 7.00 pCi/L

Livingston County

EPA Zone 1

1 user test

Dwight in Livingston County shows an average radon level of 7.0 pCi/L based on recent testing, exceeding the EPA's 4.0 pCi/L action threshold. This small community along the Chicago metropolitan area's southern edge sits atop deep glacial moraine deposits over limestone bedrock, conditions that contribute to elevated radon production across central Illinois. The area's mix of historic homes and agricultural properties, many with full basements, provides ideal conditions for radon accumulation.

7.00

pCi/L average

Above EPA Action Level

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

4.0 EPA

10+

Dwight, IL Radon Mitigation

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

Dwight, IL Radon Testing

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

Dwight, Illinois Radon Levels

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

Radon Level	City	Home Age	Foundation	Submitted
7 pCi/L	Dwight, IL	51-99 Years	Full Basement	Nov 2023

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

Dwight Radon Facts

Key details about the radon risk profile for Dwight and the 60420 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Livingston County, IL

Zip Code

60420

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Avg. User Submitted Level

7.00 pCi/L

User Tests Submitted

Dwight and the 60420 zip code are located in Livingston 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 Dwight, IL

What is the average radon level in Dwight, IL?

Based on 1 user-submitted test, the average radon level in Dwight is 7.00 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 Dwight in?

Dwight and the 60420 zip code are in Livingston 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 Dwight?

Radon mitigation in Dwight 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 Dwight?

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