Listed for: Mitigation
Licenses on file: see the profile
Call Adaptive Solutions Radon at (970) 903-6642No website listed
Locations and reports
Radon in Durango, Colorado
EPA puts La Plata County, where Durango is, in Zone 1, its highest radon zone, and 39.3% of its 224 reported radon tests (2023) were at or above 4 pCi/L. Homes with elevated levels occur in all three zones, so only a test measures yours.
Data checked By Radon411Methodology
Share at 4+ pCi/L
39.3%
0.4 pts above CO
- La Plata
- 39.3%
- Colorado
- 38.9%
La Plata, 20th of 38 in CO, 2023
Median result
3.1pCi/L
Below action level
- La Plata
- 3.1 pCi/L
- EPA
- 4.0 pCi/L
Midpoint of La Plata's tests, 2023
Nearest county
33.3%
Montezuma, 40 miles
- Montezuma
- 33.3%
- La Plata
- 39.3%
72 tests, 2023
EPA radon zone
Zone 1
Highest potential
- Zone 1
- 2
- 3
1 highest, 3 lowest
La Plata, where Durango is
Tests reported
224
In La Plata
- La Plata
- 224
- Montezuma
- 72
Reported to CDC before any fix, 2023
Read a result for Durango
Starts at La Plata County's median, 3.1 pCi/L
EPA’s own thresholds; the figures are the area’s, never this home’s.
EPA’s reading of 3.1 pCi/L
Between 2 and 4 pCi/L
- Under 20 to 1.9 pCi/L
- 2 to 4consider a fix
- 4 and aboveEPA says fix it
This result is between 2 and 4 pCi/L. EPA recommends considering a fix when the level is between 2 and 4 pCi/L. La Plata County's median reported result, 2023.
The data
Durango, What is published
What is published for Durango
Information:
Every figure for Durango is a county's
Radon data is published by county, not by city, so for Durango it is La Plata County's: its EPA zone (Zone 1) and the 224 tests reported to CDC for 2023. Only a test tells you about one home.
Durango covers 14.7 square miles of land, all of it in La Plata County. About 19,733 people live there, 1,342 to the square mile.
Durango, Counties
The county Durango lies in
MeasuredLa Plata County's EPA zone and the figures CDC publishes for it, 2023.
La Plata CountyZone 1Highest predicted potential
- 39.3%
- Reported tests at or above 4 pCi/L
- 3.1 pCi/L
- Median reported result
- 224 tests
- Tests reported to CDC
- 10
- Annual years on file
La Plata County ranks 20th of 38 Colorado counties with 30 or more tests for that period, 0.4 points above the 38.9% pooled across Colorado's counties, 5.9 points above the national pool of 33.4%.
Measured from the middle of Durango, the nearest counties with a CDC figure for 2023 are Montezuma County (40 miles, 33.3% of 72 tests), Archuleta County (46 miles, 40.2% of 92 tests) and Ouray County (62 miles, 37.2% of 43 tests). Across the 8 nearest, the share at or above 4 pCi/L runs from 18.9% to 55.6%; the farthest of them, Chaffee County, is 137 miles away at 55.2%.
The directory lists 1 business with an address in Durango, 1 for mitigation. Colorado's other cities with a page of their own: Colorado Springs, Fort Collins, Grand Junction and Aurora.
The counties around Durango
By distance from the middle of Durango; counties with 30 or more tests.
Predicted: EPA Map of Radon Zones, by county. Measured: CDC tracking data, by county, 2023.
Durango, Geology
The ground under Durango
PredictedUSGS's geologic map puts all of Durango's mapped land in one class: moderate radon potential. All of it lies in the area the map calls San Juan Basin, to which USGS gives a radon index of 11, in the moderate band (9 to 11).
| Area | The rock, in USGS's words | Potential | Radon index | Share of land |
|---|---|---|---|---|
| San Juan Basin | Mesozoic marine and non-marine sedimentary rocks including sandstone, siltstone, shale, minor limestone. | Moderate | 11 | 100% |
Names, descriptions and indexes: U.S. Geological Survey, Geologic Radon Potential Map (2025). Shares: Radon411, from the map cut to the boundary.
Durango beside its county and Colorado
La Plata County as a whole has 0.1% of its land rated high; none of that ground lies under Durango. Across Colorado 74.8% of the land is rated high; none of Durango's is.
The map rates the ground, not the air in any home.
Durango, Homes
Homes in Durango
Fewer than six in ten of Durango's 9,464 homes are detached houses (48%, against 62% across La Plata County); the rest are attached, in shared buildings or mobile. Half of its homes were built before 1986, close to La Plata County's 1991: 25% date from before 1960 and 35% from 2000 or later. 55% of occupied homes are lived in by their owner (La Plata County: 71%); in the rest a tenant can run a test, but a fix is the landlord's to make.
| Homes | Durango | La Plata County | Colorado |
|---|---|---|---|
| Housing units | 9,464 | 28,613 | 2,545,124 |
| Detached houses | 48% | 62% | 62% |
| In buildings of 5 or more | 25% | 12% | 22% |
| Mobile homes | 5% | 13% | 4% |
| Built before 1960 | 25% | 15% | 16% |
| Built since 2000 | 35% | 33% | 31% |
| Middle year built | 1986 | 1991 | 1987 |
| Owner-occupied | 55% | 71% | 66% |
Census Bureau, American Community Survey, 2019 to 2023: estimates from a sample of homes, looser for a small place. Shares by Radon411.
Local help
Durango, Professionals
Radon professionals listed in Durango
Businesses whose listed city is Durango, from the state registries and listings in the Radon411 directory, with the same business and certification status the directory shows.
Radon professionals listed in Durango: 1 of 1
1 listing with Durango as the city. See radon mitigation in Durango, or all radon professionals in Colorado.
Durango, Local resources
Local resources for Durango
Who to ask in Colorado: its radon program, test kits and professionals.
What it means
Durango, Questions
Questions about radon in Durango
What radon zone is Durango in?
EPA's map puts La Plata County, and with it Durango, in Zone 1, the map's highest class: a predicted county average above 4 pCi/L.
What are radon levels in Durango?
Around Durango, 39.3% of 224 tests reported from La Plata County for 2023 reached 4 pCi/L or more, so a high result is no surprise here. The median reported result was 3.1 pCi/L.
Should I test my home in Durango?
Yes. La Plata County reported about 88 of its 224 tests at or above 4 pCi/L. That is about what Colorado as a whole reports (38.9%), and ranks La Plata County 20th of the 38 Colorado counties with 30 or more tests. Which homes they were, no map can say. How to test a home.
What ground is Durango built on, as far as radon goes?
USGS's geologic map puts all of Durango on one named area, "San Juan Basin", rated moderate for radon potential, radon index 11.
Is radon higher in the counties around Durango?
It depends which way you go. 4 of the 8 nearest counties with a figure report a larger share than La Plata County's 39.3% and 4 a smaller one: from Mesa County (18.9%, 125 miles off) to Delta County (55.6%, 110 miles off).
Who tests for or fixes radon in Durango?
Durango is the address of one business in Radon411's directory, listed for mitigation, none for testing. Each entry names the public list it came from. Radon professionals in Durango.
The answers use the published figures of La Plata County, the county Durango lies in.
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