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Durango, CO Radon Levels

Check local Durango radon levels and find certified testing and mitigation professionals to keep your home safe


Durango, CO Radon Facts

EPA Radon Zone Zone 2 — Moderate Risk 2–4 pCi/L (Zone 2)
County La Plata County, CO
Zip Code 81301
Avg. User Level 10.70 pCi/L
User Tests 3

Located in La Plata County in southwestern Colorado's high country, Durango shows an average radon level of 13.0 pCi/L, which significantly exceeds the EPA action level of 4.0 pCi/L. The area's geology, featuring uranium-bearing formations in the Colorado Plateau region, contributes to naturally elevated radon levels throughout zip codes 81301 and 81303. With readings ranging from 4.0 to 20.0 pCi/L, homeowners should prioritize radon testing and mitigation to protect against long-term exposure risks.

10.70
pCi/L average
Above EPA Action Level

Based on 3 user-submitted radon tests for homes in Durango, CO. The EPA recommends taking action at or above 4.0 pCi/L.

0
4.0 EPA
10+

Durango, CO Radon Mitigation

Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.

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Durango, CO Radon Levels

User-submitted radon test readings from homes in the Durango area.

Radon LevelCityHome AgeFoundation
8 pCi/L Durango, CO Partial Basement
20 pCi/L Durango, CO 0-20 Years Partial Basement
4 pCi/L Durango, CO 21-50 Years Partial Basement

Have a radon test result for Durango? Submit your reading to help other homeowners.

Radon Readings Near Durango, CO

Compare radon levels in Durango with the closest nearby cities that have user-submitted test data.

CityDistanceAvg User LevelReadings
Bayfield 15.0 mi 6.00 pCi/L 6
Mancos 25.3 mi 6.00 pCi/L 4
Cortez 40.3 mi 10.00 pCi/L 2
Pagosa Springs 46.2 mi 10.50 pCi/L 2

La Plata County Radon Profile

The soils and bedrock of La Plata County place it in EPA Radon Zone 2, a moderate-risk classification with predicted indoor averages of 2 to 4 pCi/L. Homeowner-submitted tests from 2 cities in La Plata County average 7.56 pCi/L across 9 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 La Plata County to test, as levels can differ between neighboring homes.

Radon FAQ for Durango, CO

What is the average radon level in Durango, CO?
Based on 3 user-submitted tests, the average radon level in Durango is 10.70 pCi/L. This exceeds the EPA's recommended action level of 4.0 pCi/L, and radon testing is recommended for all homes in the area.
What EPA Radon Zone is Durango in?
Durango and the 81301 zip code are in La Plata County, which has an EPA assigned Radon Zone of 2. A zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L.
How much does radon mitigation cost in Durango?
Radon mitigation in Durango typically costs between $800 and $2,000. Most homes with standard basements can be mitigated with a sub-slab depressurization system in the $1,000–$1,500 range. Factors that can increase cost include complex foundations, crawl spaces, or very high radon levels.
Should I test for radon if I'm buying a home in Durango?
Yes. Radon testing should be part of every home purchase. A short-term radon test is typically included as part of the home inspection process and costs $150–$250. If elevated levels are found, you can negotiate mitigation as part of the sale.