Short-term kitempowerDX
Standard Radon Test short-term mail-in radon test kit
- Lab fee included
Method: Passive sampler
In home: 48 to 96 hours
Locations and reports
Radon Levels in Winkler County, Texas
EPA puts Winkler County in Zone 3, its lowest radon zone. Homes with elevated levels occur in all three zones, so only a test measures yours.
Data checked By Radon411Methodology
Highest bordering
13.3%
Lea County
- Lea
- 13.3%
1 of 5 neighbours have 30+ tests, 2007 to 2016
Nearest county
1.0%
Midland County, 60 miles
- Midland
- 1.0%
- Texas
- 10.4%
Share at 4+ pCi/L, 100 tests, 2007 to 2016
Ground above low
None
27.3 pts below Texas
- Winkler
- 0.0%
- Texas
- 27.3%
Share of land USGS rates moderate or high potential
Tests reported
0
None published
A home here needs its own test
EPA radon zone
Zone 3
Lower potential
- 1
- 2
- Zone 3
1 highest, 3 lowest
EPA predicts under 2 pCi/L indoors
Read a result for Winkler County
Starts at EPA's action level
EPA’s own thresholds; the figures are the area’s, never this home’s.
EPA’s reading of 4.0 pCi/L
At or above 4 pCi/L
- Under 20 to 1.9 pCi/L
- 2 to 4consider a fix
- 4 and aboveEPA says fix it
This result is at or above 4 pCi/L. EPA recommends fixing a home when the radon level is 4 pCi/L or higher.
The data
Winkler County, At a glance
Winkler County at a glance
Predicted: EPA radon zone
EPA Zone 3: lower predicted potential
USGS geologic potential: Low across 100% of the county's area
Predicted: EPA Map of Radon Zones
Measured: tests reported to CDC
No CDC test figures here
CDC has published no radon test figures for Winkler County. Lea County, NM, the one bordering county with a figure over the 2007 to 2016 laboratory totals, reported 13.3% of its tests at or above 4 pCi/L.
Winkler County, Compared
Winkler County radon figures, compared
Calculated by Radon411No CDC figure names Winkler County, in any year or ten-year total; over the 2007 to 2016 laboratory totals, the agency's counts reach 140 Texas counties without it. Pooled across 140 Texas counties, 10.4% of reported tests reached that level; across every county in the country with a figure, 35.8%.
Lea County, NM, the one bordering county with a figure over the 2007 to 2016 laboratory totals, reported 13.3% of its tests at or above 4 pCi/L. Farther out, Midland County (60 miles away) at 1.0%, Lubbock County (141 miles away) at 57.8% and El Paso County (188 miles away) at 0.0% have figures too. Statewide for the same period, Randall County reported the highest share (71.4%) and Nueces County the lowest (0.0%).
EPA's 1993 map puts Winkler County in Zone 3, its lowest label: a predicted county average under 2 pCi/L. USGS geology rates 100% of the county's land low radon potential.
Pooled shares: Radon411's sum of CDC's county counts for one period.
Winkler County, Geology
The ground under Winkler County
PredictedUSGS's geologic map puts all of Winkler County's mapped land in one class: low radon potential. All of it lies in the area the map calls Southern High Plains and Plateaus, to which USGS gives a radon index of 7, in the low band (5 to 8).
| Area | The rock, in USGS's words | Potential | Radon index | Share of land |
|---|---|---|---|---|
| Southern High Plains and Plateaus | Paleozoic and Mesozoic sandstone, limestone, shale. | Low | 7 | 100% |
Names, descriptions and indexes: U.S. Geological Survey, Geologic Radon Potential Map (2025). Shares: Radon411, from the map cut to the boundary.
Winkler County beside the ground around it
Across Texas 0.5% of the land is rated high; none of Winkler County's is. Of the 5 counties that border it, 4 have more moderate-potential ground, Lea County, NM the most at 88.3%.
The map rates the ground, not the air in any home.
Local help
Winkler County, Local resources
Radon testing and mitigation in Winkler County
- Texas Radon GroupTexas Radon Group, run by Texas Tech University, does not license radon professionals and offers free or discounted test kits, and answers questions about testing and mitigation in Texas.Visit the program’s page(opens in a new tab)
- Free and low-cost kitsThe program says:
The Texas Radon Group offers free radon test kits for Texas individuals who qualify.
- Compare kits
- Professionals in Texas7 professionals are listed in Texas.
What Texas's program says
- Licensing of radon professionals
There are no radon certification requirements for the State of Texas at this time, but the National Radon Proficiency Program lists radon testers and mitigators within Texas that have passed a rigorous national certification program.
What it means
Winkler County, Questions
Questions about radon in Winkler County
Are radon levels high in Winkler County?
No CDC testing statistics are published here for Winkler County, Texas yet. Lea County, NM, the one bordering county with a figure over the 2007 to 2016 laboratory totals, reported 13.3% of its tests at or above 4 pCi/L.
Which counties border Winkler County?
Winkler County borders 5 counties: Ward County, TX, Loving County, TX, Ector County, TX, Andrews County, TX and Lea County, NM.
Products
Winkler County, Products
Testing a home in Winkler County
No CDC figure names Winkler County; the nearest county with one, Midland County (60 miles away), reported 1.0% of its tests at or above 4 pCi/L over the 2007 to 2016 laboratory totals, the only reading nearby until a test of this home. Zone 3 is the lowest label, yet homes at or above 4 pCi/L occur in every zone: a short-term kit (2 to 90 days) is the quick first check in Winkler County.
Test kits and monitors3
See every kit and monitor
Long-term kit
RL416 long-term radon test kit, lab fee included
- Lab fee included
Method: Alpha track
In home: 90 days to 12 months
Monitor
EcoQube Wi-Fi continuous radon monitor
- C-NRPP 2024/25: Approved
- Plug-in
- Wi-Fi
- App only
Method: Ion chamber
First reading: Within 10 minutes
- See every kit and monitor Test kits and monitors
Test kits and monitors: 1 of 3
Explore
Winkler County, Bordering counties
Counties bordering Winkler County
Calculated by Radon411- Radon levels in Lea County, NMEPA zone 2
13.3%at or above 4 pCi/L
Median 2.2 pCi/L · 30 tests
- Radon levels in Ector County, TXEPA zone 3
0.0%at or above 4 pCi/L
Median 0.7 pCi/L · 27 tests
- Radon levels in Ward County, TXEPA zone 3
No CDC figure for 2007 to 2016; its page reads it against its own neighbours.
- Radon levels in Loving County, TXEPA zone 3
No CDC figure for 2007 to 2016; its page reads it against its own neighbours.
- Radon levels in Andrews County, TXEPA zone 3
No CDC figure for 2007 to 2016; its page reads it against its own neighbours.
Winkler County, Cities and towns
Cities and towns in Winkler County
About 7,540 people live in Winkler County by the Census Bureau's estimate for July 1, 2025, 217 fewer than in 2020 (−2.8%). Spread over its land, that is 9.0 people to the square mile. Monahans, the largest place on its list (7,427 residents in all), extends beyond Winkler County, so no share of the total is worked out for it. CDC publishes no radon test count for Winkler County; across Texas its counts for 2007 to 2016 come to 0.1 tests for every 1,000 residents (2025 estimate).
From Monahans to Wink, CDC publishes no figure by town: each reads Winkler County's.
| Place | Residents | Since 2020 | Share of residents |
|---|---|---|---|
| Monahansextends beyond Winkler County | 7,427 | −5.5% | Counted whole |
| Kermit | 6,019 | −3.5% | 79.8% |
| Wink | 931 | +1.3% | 12.3% |
3 incorporated places, as listed in the U.S. Census Bureau’s 2020 place reference files. Residents: U.S. Census Bureau population estimates for July 1, 2025 (Vintage 2025). A place that extends beyond Winkler County is counted whole, so it has no share.
Winkler County, Homes
Homes in Winkler County
Winkler County is a place of houses on their own lots: 82% of its 3,209 homes are detached single-family houses, against 65% across Texas. The homes are older than Texas' as a whole: half were built before 1967 (1990 for Texas), and 29% date from before 1960. Owners live in 87% of the occupied homes (Texas: 63%), so for most households a test and a fix are their own to order.
| Homes | Winkler County | Texas |
|---|---|---|
| Housing units | 3,209 | 11,890,808 |
| Detached houses | 82% | 65% |
| In buildings of 5 or more | 2% | 21% |
| Mobile homes | 11% | 7% |
| Built before 1960 | 29% | 13% |
| Built since 2000 | 13% | 37% |
| Middle year built | 1967 | 1990 |
| Owner-occupied | 87% | 63% |
Census Bureau, American Community Survey, 2019 to 2023: estimates from a sample of homes, looser for a small place. Shares by Radon411.