New Castle, CO Radon Levels
Check local New Castle radon levels and find certified testing and mitigation professionals to keep your home safe
New Castle, CO Radon Facts
Mountain community New Castle in Garfield County records radon levels of 4.0 pCi/L, right at the EPA action threshold. Located along the Colorado River valley where sedimentary formations can release radon gas, homes in ZIP code 81647 may experience variable readings. Given the elevation and geological setting, residents should test regularly and consider mitigation systems to maintain healthy indoor air quality.
Based on 1 user-submitted radon test for homes in New Castle, CO. The EPA recommends taking action at or above 4.0 pCi/L.
New Castle, CO Radon Mitigation
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New Castle, CO Radon Levels
User-submitted radon test readings from homes in the New Castle area.
| Radon Level | City | Home Age | Foundation |
|---|---|---|---|
| 4 pCi/L | New Castle, CO | 0-20 Years | No Basement/All Crawl Space |
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Radon Readings Near New Castle, CO
Compare radon levels in New Castle with the closest nearby cities that have user-submitted test data.
Garfield County Radon Profile
The bedrock and soils beneath Garfield 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 3 cities in Garfield County average 6.33 pCi/L across 3 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 Garfield County.