Jacksonville, IL Radon Mitigation and Testing
Based on available testing, Jacksonville in Morgan County shows an average radon level of 9.0 pCi/L, more than double the EPA's 4.0 pCi/L action threshold. This west-central Illinois community sits on glacial till deposits over limestone bedrock, geological conditions that favor significant radon production and accumulation. The area's mix of historic homes and newer construction, many with full basements typical of the region, creates ideal conditions for radon buildup that requires immediate professional attention.
Based on 2 user-submitted radon tests for homes in Jacksonville, IL. The EPA recommends taking action at or above 4.0 pCi/L.
Jacksonville, IL Radon Mitigation
Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.
Jacksonville, IL Radon Testing
Finding qualified radon testing professionals is the first step toward protecting your home.
Jacksonville, Illinois Radon Levels
User-submitted radon test readings from homes in the Jacksonville area.
| Radon Level | City | Home Age | Foundation | Submitted |
|---|---|---|---|---|
| 12 pCi/L | Jacksonville, IL | 51-99 Years | Full Basement | Apr 2023 |
| 6 pCi/L | Jacksonville, IL | 21-50 Years | No Basement/All Crawl Space | Mar 2017 |
Have a radon test result for Jacksonville? Submit your reading to help other homeowners.
Jacksonville Radon Facts
Key details about the radon risk profile for Jacksonville and the 62650 zip code area.
Jacksonville and the 62650 zip code are located in Morgan 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 Jacksonville, IL
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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 |