Terrell, NC Radon Levels
Check local Terrell radon levels and find certified testing and mitigation professionals to keep your home safe
Terrell, NC Radon Facts
Nestled in Catawba County near the foothills of the Appalachian Mountains, Terrell has recorded an average radon level of 11.0 pCi/L, significantly exceeding the EPA action threshold. The area's complex geology, combining Piedmont crystalline rocks with residual clay soils, creates conditions highly conducive to radon gas accumulation in homes. Residents should prioritize professional radon testing and mitigation, particularly in homes with basements or crawl spaces.
Based on 1 user-submitted radon test for homes in Terrell, NC. The EPA recommends taking action at or above 4.0 pCi/L.
Terrell, NC Radon Mitigation
Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.
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Terrell, NC Radon Levels
User-submitted radon test readings from homes in the Terrell area.
| Radon Level | City | Home Age | Foundation |
|---|---|---|---|
| 11 pCi/L | Terrell, NC | 0-20 Years | No Basement/All Crawl Space |
Have a radon test result for Terrell? Submit your reading to help other homeowners.
Radon Readings Near Terrell, NC
Compare radon levels in Terrell with the closest nearby cities that have user-submitted test data.
| City | Distance | Avg User Level | Readings |
|---|---|---|---|
| Mooresville | 6.6 mi | 4.00 pCi/L | 4 |
| Denver | 7.1 mi | 4.33 pCi/L | 3 |
| Troutman | 8.4 mi | 12.00 pCi/L | 1 |
| Cornelius | 9.2 mi | 4.00 pCi/L | 1 |
| Claremont | 13.3 mi | 5.00 pCi/L | 1 |
| Huntersville | 13.7 mi | 3.50 pCi/L | 2 |
| Lincolnton | 14.1 mi | 6.00 pCi/L | 1 |
| Conover | 17.5 mi | 4.00 pCi/L | 1 |
Catawba County Radon Profile
EPA mapping assigns Catawba County to Radon Zone 2, indicating moderate predicted indoor screening levels in the 2 to 4 pCi/L range based on regional geology. Homeowner-submitted tests from 4 cities in Catawba County average 6.25 pCi/L across 4 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. As the second leading cause of lung cancer in the U.S., radon warrants testing in every Catawba County home regardless of zone or a neighbor's results.