Short-term kitFirst Alert
RD1 short-term charcoal radon test kit
- Lab fee included
Method: Charcoal
In home: 2 to 4 days
Locations and reports
Radon Levels in Prairie County, Arkansas
EPA puts Prairie County in Zone 3, its lowest 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
Nearest county
6.8%
Pulaski County, 43 miles
- Pulaski
- 6.8%
- Arkansas
- 22.7%
Share at 4+ pCi/L, 103 tests, 2007 to 2016
Ground above low
None
21.3 pts below Arkansas
- Prairie
- 0.0%
- Arkansas
- 21.3%
Share of land USGS rates moderate or high potential
Tests reported
1
Too few for a share
- Prairie
- 1
- Needed
- 30
2008 to 2017, laboratory
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 Prairie 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
Prairie County, At a glance
Prairie 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
Radon tests reported for Prairie County, 2008 to 2017, laboratory
CDC holds 1 reported test for Prairie County over the 2008 to 2017 laboratory totals, a result of 4.5 pCi/L: too few to describe a county (Radon411 reads a share from 30 tests up). Prairie County beside the counties around it is how this page reads it.
What these figures count
Only 1 test was reported to CDC for Prairie 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).
Prairie County, Compared
Prairie County radon figures, compared
Calculated by Radon411CDC's largest figure for Prairie County rests on 1 test over the 2008 to 2017 laboratory totals, 1 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 4.5 pCi/L, with a middle value of 4.5 pCi/L.
The nearest counties with a figure are Pulaski County (43 miles away) at 6.8%, Saline County (65 miles away) at 31.9% and Garland County (93 miles away) at 45.8%. Pooled across 60 Arkansas counties, 22.7% of reported tests reached that level; across every county in the country with a figure, 35.8%.
Statewide for the same period, Garland County reported the highest share (45.8%) and Pulaski County the lowest (6.8%). EPA's 1993 map puts Prairie 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.
Prairie County, Geology
The ground under Prairie County
PredictedUSGS's geologic map puts all of Prairie County's mapped land in one class: low radon potential. All of it lies in the area the map calls Mississippi Alluvial Plain, to which USGS gives a radon index of 8, in the low band (5 to 8).
| Area | The rock, in USGS's words | Potential | Radon index | Share of land |
|---|---|---|---|---|
| Mississippi Alluvial Plain | Alluvial sand, silt, gravel, and clay. | Low | 8 | 100% |
Names, descriptions and indexes: U.S. Geological Survey, Geologic Radon Potential Map (2025). Shares: Radon411, from the map cut to the boundary.
Prairie County beside the ground around it
Across Arkansas 21.3% of the land is rated moderate; none of Prairie County's is. None of the 5 counties that border it has any moderate-potential ground either.
The map rates the ground, not the air in any home.
Local help
Prairie County, Local resources
Radon testing and mitigation in Prairie County
- Arkansas's radon programArkansas Department of HealthArkansas's radon program answers questions about testing, mitigation and the rules in Arkansas.Visit the program’s page(opens in a new tab)
- Free and low-cost kitsAsk the program whether it has free or discounted kits, or compare kits you can buy.
- Compare kits
- See the Arkansas directoryNo professionals are listed in Arkansas yet. The state program can point you to registered testers and mitigators.
What Arkansas's program says
- Phone
- 501-661-2621
- ADH.EPI.Radon@arkansas.gov
What it means
Prairie County, Questions
Questions about radon in Prairie County
Are radon levels high in Prairie County?
Over the 2008 to 2017 laboratory totals, 100.0% of the radon tests reported to CDC for Prairie County, Arkansas were at or above 4 pCi/L, and the median reported pre-mitigation result was 4.5 pCi/L. Of the 5 nearest counties with a figure, within 184 miles, the share of tests at or above 4 pCi/L runs from 6.8% to 45.8%.
Which counties border Prairie County?
Prairie County borders 5 counties: Monroe County, Lonoke County, Arkansas County, Woodruff County and White County.
Products
Prairie County, Products
Testing a home in Prairie County
No CDC figure names Prairie County; the nearest county with one, Pulaski County (43 miles away), reported 6.8% 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 Prairie 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
Monitor
EcoQube Flex battery digital radon monitor with an e-ink screen
- C-NRPP 2024/25: Not included
- Battery
- Bluetooth
- Alarm
- Screen, app
Method: Ion chamber
First reading: Within 15 minutes
- See every kit and monitor Test kits and monitors
Test kits and monitors: 1 of 3
Explore
Prairie County, Bordering counties
Counties bordering Prairie County
Calculated by Radon411- Radon levels in Monroe CountyEPA zone 3
50.0%at or above 4 pCi/L
Median 3.9 pCi/L · 2 tests
- Radon levels in Lonoke CountyEPA zone 3
0.0%at or above 4 pCi/L
Median 0.8 pCi/L · 3 tests
- Radon levels in Arkansas CountyEPA zone 3
0.0%at or above 4 pCi/L
Median 1.3 pCi/L · 1 test
- Radon levels in White CountyEPA zone 3
0.0%at or above 4 pCi/L
Median 1.1 pCi/L · 6 tests
- Radon levels in Woodruff CountyEPA zone 3
No CDC figure for 2007 to 2016; its page reads it against its own neighbours.
Prairie County, Cities and towns
Cities and towns in Prairie County
About 7,923 people live in Prairie County by the Census Bureau's estimate for July 1, 2025, 324 fewer than in 2020 (−3.9%). That works out to 12 people per square mile of land. Its largest town, Des Arc, has 1,841 residents, 23.2% of the total. Together its 5 incorporated places hold 52.7% of those residents; the other 47.3% live outside any of them. Reported testing is thin here: 1 test over 2008 to 2017, or 0.1 for every 1,000 residents (2025 estimate), where Arkansas as a whole comes to 0.2.
From Des Arc to Ulm, CDC publishes no figure by town: each reads Prairie County's.
| Place | Residents | Since 2020 | Share of residents |
|---|---|---|---|
| Des Arc | 1,841 | −3.1% | 23.2% |
| Hazen | 1,374 | −6.1% | 17.3% |
| De Valls Bluff | 490 | −5.4% | 6.2% |
| Fredonia (Biscoe) | 294 | −3.6% | 3.7% |
| Ulm | 178 | +1.7% | 2.2% |
5 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).
Prairie County, Homes
Homes in Prairie County
Of Prairie County's 4,093 homes, 72% are detached houses, against 70% across Arkansas; 19% are mobile homes. The homes are older than Arkansas' as a whole: half were built before 1979 (1987 for Arkansas), and 16% date from before 1960. Owners live in 76% of the occupied homes (Arkansas: 66%), so for most households a test and a fix are their own to order.
| Homes | Prairie County | Arkansas |
|---|---|---|
| Housing units | 4,093 | 1,382,664 |
| Detached houses | 72% | 70% |
| In buildings of 5 or more | 3% | 10% |
| Mobile homes | 19% | 11% |
| Built before 1960 | 16% | 14% |
| Built since 2000 | 15% | 28% |
| Middle year built | 1979 | 1987 |
| Owner-occupied | 76% | 66% |
Census Bureau, American Community Survey, 2019 to 2023: estimates from a sample of homes, looser for a small place. Shares by Radon411.