Griggsville, IL Radon Mitigation and Testing
Griggsville lies in Pike County along Illinois' western border, where Mississippi River valley geology creates variable radon conditions across the landscape. Based on available testing data, the community shows an average radon level of 4.0 pCi/L, which meets the EPA action threshold and suggests homeowners should consider radon mitigation. The area's mix of older farmhouses and more recent construction in zip code 62340 can influence individual home radon concentrations.
Based on 1 user-submitted radon test for homes in Griggsville, IL. The EPA recommends taking action at or above 4.0 pCi/L.
Griggsville, IL Radon Mitigation
Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.
Griggsville, IL Radon Testing
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Griggsville, Illinois Radon Levels
User-submitted radon test readings from homes in the Griggsville area.
| Radon Level | City | Home Age | Foundation | Submitted |
|---|---|---|---|---|
| 4 pCi/L | Griggsville, IL | 0-20 Years | Full Basement | Feb 2024 |
Have a radon test result for Griggsville? Submit your reading to help other homeowners.
Griggsville Radon Facts
Key details about the radon risk profile for Griggsville and the 62340 zip code area.
Griggsville and the 62340 zip code are located in Pike 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 Griggsville, 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 |