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 Jackson County, South Dakota
EPA puts Jackson County in Zone 2, its middle radon zone, and only 1 radon test from it is 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
51.8%
Pennington County
- Pennington
- 51.8%
1 of 7 neighbours have 30+ tests, 2006 to 2015
Nearest county
51.8%
Pennington County, 63 miles
- Pennington
- 51.8%
- SD
- 58.8%
Share at 4+ pCi/L, 786 tests, 2006 to 2015
Ground above low
100.0%
1.0 pts above SD
- Jackson
- 100.0%
- SD
- 99.0%
Share of land USGS rates moderate or high potential
Tests reported
1
Too few for a share
- Jackson
- 1
- Needed
- 30
2008 to 2017, laboratory
EPA radon zone
Zone 2
Moderate potential
- 1
- Zone 2
- 3
1 highest, 3 lowest
EPA predicts 2 to 4 pCi/L indoors
Read a result for Jackson 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
Jackson County, At a glance
Jackson County at a glance
Predicted: EPA radon zone
EPA Zone 2: moderate predicted potential
Jackson County is a
USGS geologic potential: Moderate across 100% of the county's area
Predicted: EPA Map of Radon Zones
Measured: tests reported to CDC
Radon tests reported for Jackson County, 2008 to 2017, laboratory
CDC holds 1 reported test for Jackson County over the 2008 to 2017 laboratory totals, a result of 1.1 pCi/L: too few to describe a county (Radon411 reads a share from 30 tests up). Jackson County beside the counties around it is how this page reads it.
What these figures count
Only 1 test was reported to CDC for Jackson 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).
Jackson County, Compared
Jackson County radon figures, compared
Calculated by Radon411CDC's largest figure for Jackson County rests on 1 test over the 2008 to 2017 laboratory totals, 0 of them at or above 4 pCi/L, so each test moves its share by 100.0 points and no rank or comparison is drawn from it. Results reached as high as 1.1 pCi/L, with a middle value of 1.1 pCi/L.
Pennington County, the one bordering county with a figure over the 2006 to 2015 laboratory totals, reported 51.8% of its tests at or above 4 pCi/L. Farther out, Meade County (81 miles away) at 54.5%, Custer County (91 miles away) at 68.3% and Hughes County (94 miles away) at 66.7% have figures too. Pooled across 63 South Dakota counties, 58.8% of reported tests reached that level; across every county in the country with a figure, 36.3%.
Statewide for the same period, Bon Homme County reported the highest share (79.5%) and Davison County the lowest (47.9%). EPA's 1993 map puts Jackson County in Zone 2, its middle label: a predicted county average between 2 and 4 pCi/L. USGS geology rates 100% of the county's land moderate radon potential.
Pooled shares: Radon411's sum of CDC's county counts for one period.
Jackson County, Geology
The ground under Jackson County
PredictedUSGS's geologic map puts all of Jackson County's mapped land in one class: moderate radon potential. The map puts 61.2% of Jackson County in the area it calls Southern Plateaus and 38.8% in Pierre Hills. USGS gives the first a radon index of 11 and the second 10, both in the moderate band (9 to 11).
| Area | The rock, in USGS's words | Potential | Radon index | Share of land |
|---|---|---|---|---|
| Southern Plateaus | Late Tertiary continental sandstone. | Moderate | 11 | 61.2% |
| Pierre Hills | Pierre Shale and Fox Hills sandstone. | Moderate | 10 | 38.8% |
Names, descriptions and indexes: U.S. Geological Survey, Geologic Radon Potential Map (2025). Shares: Radon411, from the map cut to the boundary.
Jackson County beside the ground around it
Across South Dakota 56.7% of the land is rated high; none of Jackson County's is. Of the 7 counties that border it, 2 have more high-potential ground, Pennington County the most at 4.0%.
The map rates the ground, not the air in any home.
Local help
Jackson County, Local resources
Radon testing and mitigation in Jackson County
- South Dakota's radon programDepartment of Agriculture and Natural ResourcesSouth Dakota's radon program offers free or discounted test kits, and answers questions about testing and mitigation in South Dakota.Visit the program’s page(opens in a new tab)
- Free and low-cost kitsThe program says:
The Department of Agriculture and Natural Resources (DANR) will provide 500 free Radon test kits to South Dakota Residents.
- Compare kits
- Professionals in South Dakota5 professionals are listed in South Dakota.
What South Dakota's program says
- Phone
- 1-800-438-3367
What it means
Jackson County, Questions
Questions about radon in Jackson County
Are radon levels high in Jackson County?
Over the 2008 to 2017 laboratory totals, 0.0% of the radon tests reported to CDC for Jackson County, South Dakota were at or above 4 pCi/L, and the median reported pre-mitigation result was 1.1 pCi/L. Pennington County, the one bordering county with a figure over the 2006 to 2015 laboratory totals, reported 51.8% of its tests at or above 4 pCi/L.
Which counties border Jackson County?
Jackson County borders 7 counties: Bennett County, Mellette County, Jones County, Haakon County, Todd County, Oglala Lakota County and Pennington County.
Products
Jackson County, Products
Testing a home in Jackson County
No CDC figure names Jackson County; the nearest county with one, Pennington County (63 miles away), reported 51.8% of its tests at or above 4 pCi/L over the 2006 to 2015 laboratory totals, the only reading nearby until a test of this home. In Zone 2 a short-term kit (2 to 90 days) is the quick first check in Jackson 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
Monitor
Corentium Home battery digital radon detector
- C-NRPP 2024/25: Approved
- Battery
- Screen
Method: Alpha spectrometry
- See every kit and monitor Test kits and monitors
Test kits and monitors: 1 of 3
Explore
Jackson County, Bordering counties
Counties bordering Jackson County
Calculated by Radon411- Radon levels in Jones CountyEPA zone 2
100.0%at or above 4 pCi/L
Median 26.4 pCi/L · 5 tests
- Radon levels in Pennington CountyEPA zone 2
51.8%at or above 4 pCi/L
Median 4.3 pCi/L · 786 tests
- Radon levels in Haakon CountyEPA zone 2
50.0%at or above 4 pCi/L
Median 6.3 pCi/L · 2 tests
- Radon levels in Bennett CountyEPA zone 2
33.3%at or above 4 pCi/L
Median 3.0 pCi/L · 3 tests
- Radon levels in Mellette CountyEPA zone 2
No CDC figure for 2006 to 2015; its page reads it against its own neighbours.
- Radon levels in Todd CountyEPA zone 2
No CDC figure for 2006 to 2015; its page reads it against its own neighbours.
- Radon levels in Oglala Lakota CountyEPA zone 2
No CDC figure for 2006 to 2015; its page reads it against its own neighbours.
Jackson County, Cities and towns
Cities and towns in Jackson County
About 2,666 people live in Jackson County by the Census Bureau's estimate for July 1, 2025, 133 fewer than in 2020 (−4.8%). Spread over its land, that is 1.4 people to the square mile. No town dominates: Kadoka, the largest, has 518 residents, 19.4% of the total. Together its 4 incorporated places hold 23.6% of those residents; the other 76.4% live outside any of them. Reported testing is thin here: 1 test over 2008 to 2017, or 0.4 for every 1,000 residents (2025 estimate), where South Dakota as a whole comes to 6.7.
From Kadoka to Cottonwood, CDC publishes no figure by town: each reads Jackson County's.
| Place | Residents | Since 2020 | Share of residents |
|---|---|---|---|
| Kadoka | 518 | −4.6% | 19.4% |
| Interior | 63 | −6.0% | 2.4% |
| Belvidere | 40 | −4.8% | 1.5% |
| Cottonwood | 9 | −10.0% | 0.3% |
4 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).
Jackson County, Homes
Homes in Jackson County
Jackson County is a place of houses on their own lots: 76% of its 1,018 homes are detached single-family houses, against 67% across South Dakota. Half of its homes were built before 1977, close to South Dakota's 1979: 26% date from before 1960 and 19% from 2000 or later. 61% of occupied homes are lived in by their owner (South Dakota: 69%); in the rest a tenant can run a test, but a fix is the landlord's to make.
| Homes | Jackson County | South Dakota |
|---|---|---|
| Housing units | 1,018 | 402,364 |
| Detached houses | 76% | 67% |
| In buildings of 5 or more | 7% | 16% |
| Mobile homes | 16% | 8% |
| Built before 1960 | 26% | 29% |
| Built since 2000 | 19% | 28% |
| Middle year built | 1977 | 1979 |
| Owner-occupied | 61% | 69% |
Census Bureau, American Community Survey, 2019 to 2023: estimates from a sample of homes, looser for a small place. Shares by Radon411.