Cortez, CO Radon Levels
Check local Cortez radon levels and find certified testing and mitigation professionals to keep your home safe
Cortez, CO Radon Facts
Situated in Montezuma County in Colorado's Four Corners region, Cortez shows an average radon level of 10.0 pCi/L based on limited testing data, significantly exceeding the EPA action level. The area's high-altitude location and uranium-bearing sandstone formations contribute to elevated radon potential throughout the region. Homeowners in zip code 81321 should prioritize radon mitigation given these concerning readings, as the geology consistently produces high radon levels.
Based on 2 user-submitted radon tests for homes in Cortez, CO. The EPA recommends taking action at or above 4.0 pCi/L.
Cortez, CO Radon Mitigation
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Cortez, CO Radon Levels
User-submitted radon test readings from homes in the Cortez area.
| Radon Level | City | Home Age | Foundation |
|---|---|---|---|
| 4 pCi/L | Cortez, CO | 51-99 Years | No Basement/All Slab |
| 16 pCi/L | Cortez, CO | 51-99 Years | No Basement/All Crawl Space |
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Radon Readings Near Cortez, CO
Compare radon levels in Cortez with the closest nearby cities that have user-submitted test data.
Montezuma County Radon Profile
The bedrock and soils beneath Montezuma County are classified by the EPA as Radon Zone 1, the highest-risk tier, with predicted average indoor screening levels above 4 pCi/L. Homeowner-submitted tests from 2 cities in Montezuma County average 7.33 pCi/L across 6 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. Radon is the second leading cause of lung cancer in the United States, and a short-term test is the only way to confirm a specific home's level in Montezuma County.