Short-term kit
Radon Short Term Test Kit short-term charcoal radon test kit, lab fee included
- Lab fee included
Method: Charcoal
In home: 2 to 7 days
Locations and reports
Radon Levels in Box Butte County, Nebraska
EPA puts Box Butte County in Zone 2, its middle radon zone, and 35.2% of its 54 reported radon tests (2023) were at or above 4 pCi/L. Homes with elevated levels occur in all three zones, so only a test measures yours.
Data checked By Radon411Methodology
Share at 4+ pCi/L
35.2%
3.0 pts below NE
- Box Butte
- 35.2%
- Nebraska
- 38.2%
54 tests, 2023
Median result
3.3pCi/L
Below action level
- Box Butte
- 3.3 pCi/L
- EPA
- 4.0 pCi/L
Midpoint of the tests, 2023
Tests reported
54
23rd of 33 by tests
- Box Butte
- 54
- Lancaster
- 4,058
Reported to CDC before any fix, 2023
EPA radon zone
Zone 2
Moderate potential
- 1
- Zone 2
- 3
1 highest, 3 lowest
EPA predicts 2 to 4 pCi/L indoors
Rank in Nebraska
26 of 33
Lowest quarter
- Box Butte
- 35.2%
- Gage
- 79.8%
By share, of 33 with 30+ tests
Read a result for Box Butte County
Starts at Box Butte County's median, 3.3 pCi/L
EPA’s own thresholds; the figures are the area’s, never this home’s.
EPA’s reading of 3.3 pCi/L
Between 2 and 4 pCi/L
- Under 20 to 1.9 pCi/L
- 2 to 4consider a fix
- 4 and aboveEPA says fix it
This result is between 2 and 4 pCi/L. EPA recommends considering a fix when the level is between 2 and 4 pCi/L. Box Butte County's median reported result, 2023.
The data
Box Butte County, At a glance
Box Butte County at a glance
Predicted: EPA radon zone
EPA Zone 2: moderate predicted potential
Box Butte County is a
USGS geologic potential: Moderate across 74% of the county's area
Predicted: EPA Map of Radon Zones
Measured: tests reported to CDC
Radon tests reported for Box Butte County, 2023
| Year | Share of reported tests at or above 4 pCi/L |
|---|---|
| 2014 | 25.0% |
| 2015 | 28.3% |
| 2016 | 39.0% |
| 2017 | 38.2% |
| 2018 | 35.4% |
| 2019 | 27.5% |
| 2020 | 16.5% |
| 2021 | 35.2% |
| 2022 | 31.0% |
| 2023 | 35.2% |
2023: 35.2%. Across these years the share ran from 16.5% to 39.0%. Each column counts radon tests reported to CDC that year, not homes.
What these figures count
These are the 54 tests reported to CDC for Box Butte County over 2023, many from homes being sold or already suspected of a problem: they describe the county's reported tests, not this house.
Measured: CDC tracking data. Figure above: 2023. Measured data period: 2005 to 2023 (every CDC figure on file).
Box Butte County, Compared
Box Butte County radon figures, compared
Calculated by Radon411In Box Butte County, about 4 in 10 reported tests in 2023 (19 of 54) were at or above EPA's action level. Against the national pool of 33.4%, the gap is 1.8 points higher. Across 86 Nebraska counties pooled together, 38.2% of tests reached that level, so Box Butte County runs 3.0 points below its state.
Scotts Bluff County, the one bordering county with a figure for the same period, reported 27.5%. By share, Box Butte County is 26th of 33 Nebraska counties with 30 or more tests for the same period.
Year by year, 2014 opened at 25.0% and 2023 closed at 35.2% (up 10.2 points), with 2016 the high at 39.0%. Half the tests came in under 3.3 pCi/L and half over it; the single highest reached 12.7 pCi/L. Below the action level, 10 tests (18.5%) came in under 2 pCi/L, against 39.2% statewide, and 25 tests (46.3%) fell between 2 and 4, against 22.6% statewide.
Zone 2 on EPA's map (predicted average between 2 and 4 pCi/L) and a 35.2% share point the same way here. USGS geology rates 74% of the county's land moderate radon potential. CDC also counts 6 tests taken after mitigation in Box Butte County for the same period: tests in homes where a fix was already in.
The busiest year on file was 2018, with 483 tests reported; the quietest, 2022, had 42.
Box Butte CountyNebraska, pooled
| Year | Tests | Box Butte County, at or above 4 pCi/L | Nebraska, pooled |
|---|---|---|---|
| 2014 | 108 | 25.0% | 50.5% |
| 2015 | 138 | 28.3% | 53.3% |
| 2016 | 123 | 39.0% | 47.4% |
| 2017 | 165 | 38.2% | 47.7% |
| 2018 | 483 | 35.4% | 44.5% |
| 2019 | 273 | 27.5% | 44.3% |
| 2020 | 255 | 16.5% | 42.2% |
| 2021 | 213 | 35.2% | 34.9% |
| 2022 | 42 | 31.0% | 34.0% |
| 2023 | 54 | 35.2% | 38.2% |
Pooled shares: Radon411's sum of CDC's county counts for one period.
Box Butte County, Geology
The ground under Box Butte County
PredictedUSGS's geologic map splits Box Butte County: 74.0% of its land is moderate radon potential and 26.0% low. The map puts 74.0% of Box Butte County in the area it calls Tertiary Rocks and 26.0% in Sand Hills. USGS gives the first a radon index of 11, in the moderate band (9 to 11), and the second 8, in the low band (5 to 8).
| Area | The rock, in USGS's words | Potential | Radon index | Share of land |
|---|---|---|---|---|
| Tertiary Rocks | Tertiary sandstone, siltstone, and volcanic ash. | Moderate | 11 | 74.0% |
| Sand Hills | Quaternary windblown sand. | Low | 8 | 26.0% |
Names, descriptions and indexes: U.S. Geological Survey, Geologic Radon Potential Map (2025). Shares: Radon411, from the map cut to the boundary.
Box Butte County beside the ground around it
Across Nebraska 40.9% of the land is rated high; none of Box Butte County's is. Of the 5 counties that border it, 3 have more high-potential ground, Dawes County the most at 34.0%.
The map rates the ground, not the air in any home.
Local help
Box Butte County, Local resources
Radon testing and mitigation in Box Butte County
- Office of Environmental Health Hazards & Indoor AirOffice of Environmental Health Hazards & Indoor Air, run by Nebraska Department of Health and Human Services, licenses or certifies radon professionals and offers free or discounted test kits, and answers questions about testing and mitigation in Nebraska.Visit the program’s page(opens in a new tab)
- Free and low-cost kitsThe program says:
Some local programs distribute radon kits for free or a reduced cost.
- Compare kits
- Professionals in Nebraska116 professionals are listed in Nebraska.
What Nebraska's program says
- Phone
- (402) 471-1005
- Licensing of radon professionals
If radon testing is done in schools, offices, or other places of work, it must be done by a licensed radon measurement business.
What it means
Box Butte County, Questions
Questions about radon in Box Butte County
Are radon levels high in Box Butte County?
In 2023, 35.2% of the radon tests reported to CDC for Box Butte County, Nebraska were at or above 4 pCi/L, and the median reported pre-mitigation result was 3.3 pCi/L. Of 33 Nebraska counties with 30 or more tests for the same period, 25 reported a higher share; pooled, the state comes to 38.2%.
Which counties border Box Butte County?
Box Butte County borders 5 counties: Dawes County, Morrill County, Sioux County, Scotts Bluff County and Sheridan County.
Products
Box Butte County, Products
Testing a home in Box Butte County
In Box Butte County, 35.2% of 54 tests reported to CDC in 2023 reached 4 pCi/L, against 38.2% pooled across Nebraska. In Zone 2 a short-term kit (2 to 90 days) is the quick first check in Box Butte County; a long-term test tells the year-round average.
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
MonitorX-Sense
XR0B-SR battery digital radon monitor with an alarm
- C-NRPP 2024/25: Not included
- Battery
- Alarm
- Screen
Method: Alpha spectrometry
First reading: Within 24 hours
- See every kit and monitor Test kits and monitors
Test kits and monitors: 1 of 3
Explore
Box Butte County, Bordering counties
Counties bordering Box Butte County
Calculated by Radon411- Radon levels in Dawes CountyEPA zone 2
57.9%at or above 4 pCi/L
Median 5.1 pCi/L · 19 tests · 22.7 points above Box Butte County
- Radon levels in Morrill CountyEPA zone 2
57.1%at or above 4 pCi/L
Median 4.7 pCi/L · 7 tests · 21.9 points above Box Butte County
- Radon levels in Scotts Bluff CountyEPA zone 2
27.5%at or above 4 pCi/L
Median 1.8 pCi/L · 273 tests · 7.7 points below Box Butte County
- Radon levels in Sioux CountyEPA zone 2
25.0%at or above 4 pCi/L
Median 2.1 pCi/L · 4 tests · 10.2 points below Box Butte County
- Radon levels in Sheridan CountyEPA zone 2
0.0%at or above 4 pCi/L
Median 1.8 pCi/L · 6 tests · 35.2 points below Box Butte County
Box Butte County, Cities and towns
Cities and towns in Box Butte County
About 10,494 people live in Box Butte County by the Census Bureau's estimate for July 1, 2025, 327 fewer than in 2020 (−3.0%). Spread over its land, that is 9.8 people to the square mile. Alliance alone is home to 7,914 of them, 75.4% of the total. Together its 2 incorporated places hold 82.5% of those residents; the other 17.5% live outside any of them. CDC's 54 reported tests for 2023 work out to 5.1 per 1,000 residents (2025 estimate), close to Nebraska's 5.5.
From Alliance to Hemingford, CDC publishes no figure by town: each reads Box Butte County's.
| Place | Residents | Since 2020 | Share of residents |
|---|---|---|---|
| Alliance | 7,914 | −3.0% | 75.4% |
| Hemingford | 746 | −3.1% | 7.1% |
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).
Box Butte County, Homes
Homes in Box Butte County
Box Butte County is a place of houses on their own lots: 75% of its 5,222 homes are detached single-family houses, against 72% across Nebraska. The homes are older than Nebraska's as a whole: half were built before 1966 (1975 for Nebraska), and 45% date from before 1960. Owners live in 75% of the occupied homes (Nebraska: 67%), so for most households a test and a fix are their own to order.
| Homes | Box Butte County | Nebraska |
|---|---|---|
| Housing units | 5,222 | 855,631 |
| Detached houses | 75% | 72% |
| In buildings of 5 or more | 8% | 17% |
| Mobile homes | 7% | 3% |
| Built before 1960 | 45% | 32% |
| Built since 2000 | 11% | 22% |
| Middle year built | 1966 | 1975 |
| Owner-occupied | 75% | 67% |
Census Bureau, American Community Survey, 2019 to 2023: estimates from a sample of homes, looser for a small place. Shares by Radon411.