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Radon Levels in Borden County, Texas

EPA puts Borden 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

  • Nearest county

    57.8%

    Lubbock County, 64 miles

    Lubbock
    57.8%
    Texas
    10.4%

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

  • Ground above low

    99.0%

    71.7 pts above Texas

    Borden
    99.0%
    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. 1
    2. 2
    3. Zone 3

    1 highest, 3 lowest

    EPA predicts under 2 pCi/L indoors

Read a result for Borden 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

Borden County, At a glance

Borden County at a glance

Predicted: EPA radon zone

EPA Zone 3: lower predicted potential

is EPA's lowest class, and its forecast for Borden 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: Moderate across 99% 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 Borden County. Lubbock County, 64 miles away, is the nearest county with a figure over the 2007 to 2016 laboratory totals.

How to read these figures

Borden County, Compared

Borden County radon figures, compared

Calculated by Radon411

Borden County has no radon test figure of its own from CDC, whose counts over the 2007 to 2016 laboratory totals name 140 other Texas counties and leave it out. Pooled across 140 Texas counties, 10.4% of reported tests reached that level; across every county in the country with a figure, 35.8%.

The nearest counties with a figure are Lubbock County (64 miles away) at 57.8%, Midland County (70 miles away) at 1.0% and Randall County (155 miles away) at 71.4%. 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 Borden County in Zone 3, its lowest label: a predicted county average under 2 pCi/L. USGS geology rates 99% of the county's land moderate radon potential.

Texas, the United States and the counties around Borden 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
Scurry County, TXborders it1100.0%11.1 pCi/L
Dawson County, TXborders it425.0%3.0 pCi/L
Howard County, TXborders it30.0%0.5 pCi/L
The nearest Texas counties to Borden County with 30 or more tests, 2007 to 2016, laboratory
CountyDistanceTestsAt or above 4 pCi/LMedian
Lubbock County64 mi12857.8%4.8 pCi/L
Midland County70 mi1001.0%0.7 pCi/L
Randall County155 mi8471.4%6.2 pCi/L
Potter County185 mi7020.0%1.1 pCi/L
Tarrant County241 mi31210.6%0.9 pCi/L
Denton County253 mi1817.2%0.9 pCi/L
Bell County260 mi3514.3%1.1 pCi/L
McLennan County261 mi4117.1%1.0 pCi/L

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

Borden County, Geology

The ground under Borden County

Predicted

Most of the ground under Borden County is one class on USGS's geologic map: 99.0% of its land is moderate radon potential, with 1.0% low. 99.0% of it lies in the area the map calls Northern High Plains and Plateaus, to which USGS gives a radon index of 10, in the moderate band (9 to 11).

USGS's geologic areas under Borden County
AreaThe rock, in USGS's wordsPotentialRadon indexShare of land
Northern High Plains and PlateausTertiary sandstone, siltstone, shale.Moderate1099.0%
Southern High Plains and PlateausPaleozoic and Mesozoic sandstone, limestone, shale.Low71.0%

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

Borden County beside the ground around it

Across Texas 0.5% of the land is rated high; none of Borden County's is. Of the 7 counties that border it, 1 has more moderate-potential ground, Garza County the most at 100%.

Share of land by USGS radon potential: Borden County, the 7 counties bordering it and Texas
AreaEPA zoneLow potentialModerate potentialHigh potential
Borden CountyZone 31.0%99.0%None
Scurry CountyZone 363.3%36.7%None
Dawson CountyZone 382.6%17.4%None
Howard CountyZone 355.9%44.1%None
Garza CountyZone 2None100%None
Lynn CountyZone 230.2%69.8%None
Mitchell CountyZone 338.5%61.5%None
Martin CountyZone 3100%NoneNone
Texas254 counties, pooled by land areaVaries72.4%26.8%0.5%

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

Local help

Borden County, Local resources

Radon testing and mitigation in Borden County

What it means

Borden County, Questions

Questions about radon in Borden County

Are radon levels high in Borden County?

No CDC testing statistics are published here for Borden County, Texas yet. Of the 8 nearest counties with a figure, within 261 miles, the share of tests at or above 4 pCi/L runs from 1.0% to 71.4%.

Which counties border Borden County?

Borden County borders 7 counties: Scurry County, Dawson County, Howard County, Garza County, Lynn County, Mitchell County and Martin County.

Products

Borden County, Products

Testing a home in Borden County

No CDC figure names Borden County; the nearest county with one, Lubbock County (64 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 Borden County.

Test kits and monitors3

See every kit and monitor

Best radon monitors for Borden County homes, compared

Explore

Borden County, Bordering counties

Counties bordering Borden County

Calculated by Radon411

Borden County, Residents

Who lives in Borden County

Borden County has been losing residents: from 643 in 2020 to 567 on July 1, 2025, a fall of 11.8% by the Census Bureau's estimates. Spread over its land, that is 0.6 people to the square mile. CDC publishes no radon test count for Borden County; across Texas its counts for 2007 to 2016 come to 0.1 tests for every 1,000 residents (2025 estimate).

Census lists no incorporated place in Borden County: every home in it reads the county's figures.

Residents: U.S. Census Bureau population estimates for July 1, 2025 (Vintage 2025).

Borden County, Homes

Homes in Borden County

Borden County is a place of houses on their own lots: 87% of its 352 homes are detached single-family houses, against 65% across Texas. The homes are older than Texas' as a whole: half were built before 1970 (1990 for Texas), and 32% date from before 1960. 64% of occupied homes are lived in by their owner (Texas: 63%); in the rest a tenant can run a test, but a fix is the landlord's to make.

Homes in Borden County, Texas, 2019 to 2023
HomesBorden CountyTexas
Housing units35211,890,808
Detached houses87%65%
In buildings of 5 or more0%21%
Mobile homes13%7%
Built before 196032%13%
Built since 200021%37%
Middle year built19701990
Owner-occupied64%63%

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