Davis, IL Radon Mitigation and Testing

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

Based on 1 user-submitted tests, the average radon level is 8.00 pCi/L.

Q: What EPA Radon Zone is Davis in?

Davis is in Stephenson County, EPA Zone 1.

Q: How much does radon mitigation cost in Davis?

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

Avg: 8.00 pCi/L

Stephenson County

EPA Zone 1

1 user test

Positioned in Stephenson County within the Rockford Metro area, Davis recorded a radon level of 8.0 pCi/L in recent testing, well above the EPA action threshold requiring mitigation. This northwestern Illinois community sits on glacial till deposits over Ordovician limestone bedrock, geological conditions that promote radon production and migration. Homeowners in zip code 61019 should conduct testing and pursue mitigation if needed, particularly in homes with full basements typical of the region.

8.00

pCi/L average

Above EPA Action Level

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

4.0 EPA

10+

Davis, IL Radon Mitigation

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

Davis, IL Radon Testing

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

Davis, Illinois Radon Levels

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

Radon Level	City	Home Age	Foundation	Submitted
8 pCi/L	Davis, IL	21-50 Years	Full Basement	Nov 2022

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

Davis Radon Facts

Key details about the radon risk profile for Davis and the 61019 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Stephenson County, IL

Zip Code

61019

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Avg. User Submitted Level

8.00 pCi/L

User Tests Submitted

Davis and the 61019 zip code are located in Stephenson 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 Davis, IL

What is the average radon level in Davis, IL?

Based on 1 user-submitted test, the average radon level in Davis is 8.00 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 Davis in?

Davis and the 61019 zip code are in Stephenson 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 Davis?

Radon mitigation in Davis 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 Davis?

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