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Radon Levels in Haskell County, Texas

EPA puts Haskell 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, 124 miles

    Lubbock
    57.8%
    Texas
    10.4%

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

  • Ground above low

    None

    27.3 pts below Texas

    Haskell
    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. 1
    2. 2
    3. Zone 3

    1 highest, 3 lowest

    EPA predicts under 2 pCi/L indoors

Read a result for Haskell 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

Haskell County, At a glance

Haskell County at a glance

Predicted: EPA radon zone

EPA Zone 3: lower predicted potential

is EPA's lowest class, and its forecast for Haskell 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

No CDC test figures here

CDC has published no radon test figures for Haskell County. Lubbock County, 124 miles away, is the nearest county with a figure over the 2007 to 2016 laboratory totals.

How to read these figures

Haskell County, Compared

Haskell County radon figures, compared

Calculated by Radon411

No CDC figure names Haskell 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%.

The nearest counties with a figure are Lubbock County (124 miles away) at 57.8%, Tarrant County (144 miles away) at 10.6% and Denton County (151 miles away) at 7.2%. 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 Haskell 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 Haskell 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
Shackelford County, TXborders it10.0%1.0 pCi/L
Jones County, TXborders it10.0%0.7 pCi/L
The nearest Texas counties to Haskell County with 30 or more tests, 2007 to 2016, laboratory
CountyDistanceTestsAt or above 4 pCi/LMedian
Lubbock County124 mi12857.8%4.8 pCi/L
Tarrant County144 mi31210.6%0.9 pCi/L
Denton County151 mi1817.2%0.9 pCi/L
Midland County162 mi1001.0%0.7 pCi/L
Dallas County174 mi6998.7%1.0 pCi/L
Randall County175 mi8471.4%6.2 pCi/L
Collin County183 mi2847.7%1.0 pCi/L
McLennan County186 mi4117.1%1.0 pCi/L

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

Haskell County, Geology

The ground under Haskell County

Predicted

USGS's geologic map puts all of Haskell County's mapped land in one class: low radon potential. All of it lies in the area the map calls Central Texas, to which USGS gives a radon index of 7, in the low band (5 to 8).

USGS's geologic areas under Haskell County
AreaThe rock, in USGS's wordsPotentialRadon indexShare of land
Central TexasCretaceous through Quaternary marine sandstone, shale, chalk, limestone, siltstone, clay, and lignite.Low7100%

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

Haskell County beside the ground around it

Across Texas 0.5% of the land is rated high; none of Haskell County's is. None of the 7 counties that border it has any moderate-potential ground either.

Share of land by USGS radon potential: Haskell County, the 7 counties bordering it and Texas
AreaEPA zoneLow potentialModerate potentialHigh potential
Haskell CountyZone 3100%NoneNone
Knox CountyZone 3100%NoneNone
Throckmorton CountyZone 3100%NoneNone
Stonewall CountyZone 3100%NoneNone
Jones CountyZone 3100%NoneNone
Shackelford CountyZone 3100%NoneNone
Baylor CountyZone 3100%NoneNone
King 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

Haskell County, Local resources

Radon testing and mitigation in Haskell County

What it means

Haskell County, Questions

Questions about radon in Haskell County

Are radon levels high in Haskell County?

No CDC testing statistics are published here for Haskell County, Texas yet. Of the 8 nearest counties with a figure, within 186 miles, the share of tests at or above 4 pCi/L runs from 1.0% to 71.4%.

Which counties border Haskell County?

Haskell County borders 7 counties: Knox County, Throckmorton County, Stonewall County, Jones County, Shackelford County, Baylor County and King County.

Products

Haskell County, Products

Testing a home in Haskell County

No CDC figure names Haskell County; the nearest county with one, Lubbock County (124 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 Haskell County.

Test kits and monitors3

See every kit and monitor

Best radon monitors for Haskell County homes, compared

Explore

Haskell County, Bordering counties

Counties bordering Haskell County

Calculated by Radon411

Haskell County, Cities and towns

Cities and towns in Haskell County

The Census Bureau estimates 5,499 residents in Haskell County for July 1, 2025, 60 more than in 2020 (+1.1%). Spread over its land, that is 6.1 people to the square mile. Haskell alone is home to 3,095 of them, 56.3% of the total. CDC publishes no radon test count for Haskell County; across Texas its counts for 2007 to 2016 come to 0.1 tests for every 1,000 residents (2025 estimate).

From Haskell to O'Brien, CDC publishes no figure by town: each reads Haskell County's.

The cities and towns in Haskell County by residents, July 1, 2025
PlaceResidentsSince 2020Share of residents
Haskell3,095+0.1%56.3%
Stamfordextends beyond Haskell County2,963+2.4%Counted whole
Rule569+1.2%10.3%
Rochester255+1.6%4.6%
Weinert175+0.6%3.2%
O'Brien91+1.1%1.7%

6 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 Haskell County is counted whole, so it has no share.

Haskell County, Homes

Homes in Haskell County

Haskell County is a place of houses on their own lots: 85% of its 3,084 homes are detached single-family houses, against 65% across Texas. The homes are older than Texas' as a whole: half were built before 1961 (1990 for Texas), and 48% date from before 1960. 74% 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 Haskell County, Texas, 2019 to 2023
HomesHaskell CountyTexas
Housing units3,08411,890,808
Detached houses85%65%
In buildings of 5 or more1%21%
Mobile homes12%7%
Built before 196048%13%
Built since 200010%37%
Middle year built19611990
Owner-occupied74%63%

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