Washington, IL Radon Levels
Check local Washington radon levels and find certified testing and mitigation professionals to keep your home safe
Washington, IL Radon Facts
Located in Tazewell County within the Peoria Metro area, Washington shows an elevated average radon level of 9.0 pCi/L that significantly exceeds the EPA action threshold. This community sits in the Illinois River valley where alluvial soils over Ordovician limestone create conditions highly favorable for radon production. Local homes, predominantly built in the mid-to-late 20th century with full basements, require prompt testing and likely mitigation systems.
Based on 1 user-submitted radon test for homes in Washington, IL. The EPA recommends taking action at or above 4.0 pCi/L.
Washington, IL Radon Mitigation
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Washington, IL Radon Levels
User-submitted radon test readings from homes in the Washington area.
| Radon Level | City | Home Age | Foundation |
|---|---|---|---|
| 8 pCi/L | Washington, IL | 21-50 Years | Full Basement |
| 9 pCi/L | Washington, IL | 0-20 Years | Full Basement |
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Radon Readings Near Washington, IL
Compare radon levels in Washington with the closest nearby cities that have user-submitted test data.
Tazewell County Radon Profile
Tazewell County falls in EPA Radon Zone 1, meaning the local uranium-bearing geology is predicted to drive average indoor radon screening levels above the EPA's 4 pCi/L action threshold. Homeowner-submitted tests from 2 cities in Tazewell County average 11.00 pCi/L across 4 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. Since radon is the second leading cause of lung cancer nationally, the EPA urges every household in Tazewell County to test, as levels can differ between neighboring homes.