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Radon Levels in Yoakum County, Texas

EPA puts Yoakum County in Zone 3, its lowest radon zone, and only 3 radon tests from it are on file with CDC (2008 to 2017, laboratory totals). 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

    57.8%

    Lubbock County, 66 miles

    Lubbock
    57.8%
    Texas
    10.4%

    Share at 4+ pCi/L, 128 tests, 2007 to 2016

  • Ground above low

    0.2%

    27.1 pts below Texas

    Yoakum
    0.2%
    Texas
    27.3%

    Share of land USGS rates moderate or high potential

  • Tests reported

    3

    Too few for a share

    Yoakum
    3
    Needed
    30

    2008 to 2017, laboratory

  • EPA radon zone

    Zone 3

    Lower potential

    1. 1
    2. 2
    3. Zone 3

    1 highest, 3 lowest

    EPA predicts under 2 pCi/L indoors

Read a result for Yoakum County

Starts at EPA's action level

4.0pCi/L

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

  1. Under 20 to 1.9 pCi/L
  2. 2 to 4consider a fix
  3. 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

Yoakum County, At a glance

Yoakum County at a glance

Predicted: EPA radon zone

EPA Zone 3: lower predicted potential

is EPA's lowest class, and its forecast for Yoakum County as a whole is an average indoor of less than 2 pCi/L (less than 75 Bq/m³). A low zone clears no address in it: homes above EPA's turn up in all three zones.

USGS geologic potential: Low across 100% of the county's area

Predicted: EPA Map of Radon Zones

Measured: tests reported to CDC

Radon tests reported for Yoakum County, 2008 to 2017, laboratory

CDC holds 3 reported tests for Yoakum County over the 2008 to 2017 laboratory totals, with a median of 1.1 pCi/L: too few to describe a county (Radon411 reads a share from 30 tests up). Yoakum County beside the counties around it is how this page reads it.

What these figures count

Only 3 tests were reported to CDC for Yoakum County over 2008 to 2017 (laboratory totals), and tests are often run on homes being sold or already suspected of a problem: so few describe neither the county nor this house.

Measured: CDC tracking data. Figure above: 2008 to 2017, laboratory. Measured data period: 2005 to 2017 (every CDC figure on file).

How to read these figures

Yoakum County, Compared

Yoakum County radon figures, compared

Calculated by Radon411

CDC's largest figure for Yoakum County rests on 3 tests over the 2008 to 2017 laboratory totals, 0 of them at or above 4 pCi/L, so each test moves its share by 33.3 points and no rank or comparison is drawn from it. Results reached as high as 2.5 pCi/L, with a middle value of 1.1 pCi/L.

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, Lubbock County (66 miles away) at 57.8%, Midland County (101 miles away) at 1.0% and Randall County (135 miles away) at 71.4% have figures too. Pooled across 140 Texas counties, 10.4% of reported tests reached that level; across every county in the country with a figure, 35.8%.

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 Yoakum 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.

Texas, the United States and the counties around Yoakum County, 2007 to 2016, laboratory
AreaTestsAt or above 4 pCi/LMedian
Texas, pooled140 counties, pooled4,54810.4%Not pooled
United States, pooled2,666 counties, pooled1,939,02535.8%Not pooled
Randall Countyhighest in the state8471.4%6.2 pCi/L
Nueces Countylowest in the state450.0%0.6 pCi/L
Lea County, NMborders it3013.3%2.2 pCi/L
Hockley County, TXborders it10.0%2.7 pCi/L
The nearest Texas counties to Yoakum County with 30 or more tests, 2007 to 2016, laboratory
CountyDistanceTestsAt or above 4 pCi/LMedian
Lubbock County66 mi12857.8%4.8 pCi/L
Midland County101 mi1001.0%0.7 pCi/L
Randall County135 mi8471.4%6.2 pCi/L
Potter County163 mi7020.0%1.1 pCi/L
El Paso County221 mi550.0%0.7 pCi/L
Tarrant County323 mi31210.6%0.9 pCi/L
Denton County331 mi1817.2%0.9 pCi/L
Bell County346 mi3514.3%1.1 pCi/L
Yoakum County ten-year laboratory totals, against Texas' pooled share
PeriodTestsAt or above 4 pCi/LMedianHighestTexas, pooledChange from the row before
2008 to 201730.0%1.1 pCi/L2.5 pCi/L10.2%Level
2007 to 201630.0%1.1 pCi/L2.5 pCi/L10.4%Level
2006 to 201530.0%1.1 pCi/L2.5 pCi/L11.0%Level
2005 to 201430.0%1.1 pCi/L2.5 pCi/L10.6%First on file

Pooled shares: Radon411's sum of CDC's county counts for one period.

Yoakum County, Geology

The ground under Yoakum County

Predicted

Most of the ground under Yoakum County is one class on USGS's geologic map: 99.8% of its land is low radon potential, with 0.2% moderate. 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).

USGS's geologic areas under Yoakum County
AreaThe rock, in USGS's wordsPotentialRadon indexShare of land
Southern High Plains and PlateausPaleozoic and Mesozoic sandstone, limestone, shale.Low799.8%

Names, descriptions and indexes: U.S. Geological Survey, Geologic Radon Potential Map (2025). Shares: Radon411, from the map cut to the boundary.

Yoakum County beside the ground around it

Across Texas 0.5% of the land is rated high; none of Yoakum County's is. Of the 5 counties that border it, 2 have more moderate-potential ground, Lea County, NM the most at 88.3%.

Share of land by USGS radon potential: Yoakum County, the 5 counties bordering it and Texas
AreaEPA zoneLow potentialModerate potentialHigh potential
Yoakum CountyZone 399.8%0.2%None
Gaines CountyZone 399.8%0.2%None
Terry CountyZone 3100%NoneNone
Cochran CountyZone 399.8%0.2%None
Lea County, NMZone 211.7%88.3%None
Hockley CountyZone 262.0%38.0%None
Texas254 counties, pooled by land areaVaries72.4%26.8%0.5%

The map rates the ground, not the air in any home.

Local help

Yoakum County, Local resources

Radon testing and mitigation in Yoakum County

What it means

Yoakum County, Questions

Questions about radon in Yoakum County

Are radon levels high in Yoakum County?

Over the 2008 to 2017 laboratory totals, 0.0% of the radon tests reported to CDC for Yoakum County, Texas were at or above 4 pCi/L, and the median reported pre-mitigation result was 1.1 pCi/L. 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 Yoakum County?

Yoakum County borders 5 counties: Gaines County, TX, Terry County, TX, Cochran County, TX, Lea County, NM and Hockley County, TX.

Products

Yoakum County, Products

Testing a home in Yoakum County

No CDC figure names Yoakum County; the nearest county with one, Lubbock County (66 miles away), reported 57.8% 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 Yoakum County.

Test kits and monitors3

See every kit and monitor

Best radon monitors for Yoakum County homes, compared

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Yoakum County, Bordering counties

Counties bordering Yoakum County

Calculated by Radon411

Yoakum County, Cities and towns

Cities and towns in Yoakum County

About 7,438 people live in Yoakum County by the Census Bureau's estimate for July 1, 2025, 234 fewer than in 2020 (−3.1%). Spread over its land, that is 9.3 people to the square mile. Denver City, the largest place on its list (4,311 residents in all), extends beyond Yoakum County, so no share of the total is worked out for it. Testing is reported here more often than across the state: CDC's 3 reported tests for 2008 to 2017 come to 0.4 for every 1,000 residents (2025 estimate), against 0.1 for Texas.

From Denver City to Plains, CDC publishes no figure by town: each reads Yoakum County's.

The cities and towns in Yoakum County by residents, July 1, 2025
PlaceResidentsSince 2020Share of residents
Denver Cityextends beyond Yoakum County4,311−3.3%Counted whole
Plains1,323−2.1%17.8%

2 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 Yoakum County is counted whole, so it has no share.

Yoakum County, Homes

Homes in Yoakum County

Yoakum County is a place of houses on their own lots: 79% of its 3,015 homes are detached single-family houses, against 65% across Texas. The homes are older than Texas' as a whole: half were built before 1975 (1990 for Texas), and 29% date from before 1960. Owners live in 75% of the occupied homes (Texas: 63%), so for most households a test and a fix are their own to order.

Homes in Yoakum County, Texas, 2019 to 2023
HomesYoakum CountyTexas
Housing units3,01511,890,808
Detached houses79%65%
In buildings of 5 or more3%21%
Mobile homes18%7%
Built before 196029%13%
Built since 200011%37%
Middle year built19751990
Owner-occupied75%63%

Census Bureau, American Community Survey, 2019 to 2023: estimates from a sample of homes, looser for a small place. Shares by Radon411.