Short-term kit
RA100 short-term liquid scintillation radon test kit
- Lab fee extra
Method: Liquid scintillation
In home: 48 to 96 hours
Locations and reports
Radon Levels in Gaines County, Texas
EPA puts Gaines 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 6 neighbours have 30+ tests, 2007 to 2016
Nearest county
1.0%
Midland County, 70 miles
- Midland
- 1.0%
- Texas
- 10.4%
Share at 4+ pCi/L, 100 tests, 2007 to 2016
Ground above low
0.2%
27.1 pts below Texas
- Gaines
- 0.2%
- 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 Gaines 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
Gaines County, At a glance
Gaines 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 Gaines 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.
Gaines County, Compared
Gaines County radon figures, compared
Calculated by Radon411Gaines 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%.
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 (70 miles away) at 1.0%, Lubbock County (76 miles away) at 57.8% and Randall County (159 miles away) at 71.4% 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 Gaines 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.
Gaines County, Geology
The ground under Gaines County
PredictedMost of the ground under Gaines 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).
| 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 | 99.8% |
Names, descriptions and indexes: U.S. Geological Survey, Geologic Radon Potential Map (2025). Shares: Radon411, from the map cut to the boundary.
Gaines County beside the ground around it
Across Texas 0.5% of the land is rated high; none of Gaines County's is. Of the 6 counties that border it, 3 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
Gaines County, Local resources
Radon testing and mitigation in Gaines 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
Gaines County, Questions
Questions about radon in Gaines County
Are radon levels high in Gaines County?
No CDC testing statistics are published here for Gaines 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 Gaines County?
Gaines County borders 6 counties: Yoakum County, TX, Andrews County, TX, Terry County, TX, Dawson County, TX, Lea County, NM and Martin County, TX.
Products
Gaines County, Products
Testing a home in Gaines County
No CDC figure names Gaines County; the nearest county with one, Midland County (70 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 Gaines County.
Test kits and monitors3
See every kit and monitor
Long-term kit
RL116 long-term radon test kit
- Lab fee extra
Method: Alpha track
In home: 90 days to 12 months
MonitorAEGTEST
HOUND-3699 radon monitor with a 2.1-inch touchscreen
- C-NRPP 2024/25: Not included
- Battery
- Alarm
- Screen
First reading: Within 1 hour
- See every kit and monitor Test kits and monitors
Test kits and monitors: 1 of 3
Explore
Gaines County, Bordering counties
Counties bordering Gaines County
Calculated by Radon411- Radon levels in Dawson County, TXEPA zone 3
25.0%at or above 4 pCi/L
Median 3.0 pCi/L · 4 tests
- 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 Yoakum County, TXEPA zone 3
0.0%at or above 4 pCi/L
Median 1.1 pCi/L · 3 tests
- Radon levels in Andrews County, TXEPA zone 3
No CDC figure for 2007 to 2016; its page reads it against its own neighbours.
- Radon levels in Terry County, TXEPA zone 3
No CDC figure for 2007 to 2016; its page reads it against its own neighbours.
- Radon levels in Martin County, TXEPA zone 3
No CDC figure for 2007 to 2016; its page reads it against its own neighbours.
Gaines County, Cities and towns
Cities and towns in Gaines County
Gaines County is growing: the Census Bureau puts it at 23,956 residents on July 1, 2025, up 10.4% from 21,699 in 2020. That works out to 16 people per square mile of land. Its largest town, Seminole, has 7,730 residents, 32.3% of the total. CDC publishes no radon test count for Gaines County; across Texas its counts for 2007 to 2016 come to 0.1 tests for every 1,000 residents (2025 estimate).
From Seminole to Seagraves, CDC publishes no figure by town: each reads Gaines County's.
| Place | Residents | Since 2020 | Share of residents |
|---|---|---|---|
| Seminole | 7,730 | +9.5% | 32.3% |
| Denver Cityextends beyond Gaines County | 4,311 | −3.3% | Counted whole |
| Seagraves | 2,352 | +8.9% | 9.8% |
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 Gaines County is counted whole, so it has no share.
Gaines County, Homes
Homes in Gaines County
Of Gaines County's 7,661 homes, 71% are detached houses, against 65% across Texas; 22% are mobile homes. Half of its homes were built before 1985, close to Texas' 1990: 15% date from before 1960 and 27% from 2000 or later. Owners live in 77% of the occupied homes (Texas: 63%), so for most households a test and a fix are their own to order.
| Homes | Gaines County | Texas |
|---|---|---|
| Housing units | 7,661 | 11,890,808 |
| Detached houses | 71% | 65% |
| In buildings of 5 or more | 4% | 21% |
| Mobile homes | 22% | 7% |
| Built before 1960 | 15% | 13% |
| Built since 2000 | 27% | 37% |
| Middle year built | 1985 | 1990 |
| Owner-occupied | 77% | 63% |
Census Bureau, American Community Survey, 2019 to 2023: estimates from a sample of homes, looser for a small place. Shares by Radon411.