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 Ashley County, Arkansas
EPA puts Ashley County in Zone 3, its lowest radon zone, and only 1 radon test from it is on file with CDC (2007 to 2016, laboratory totals). Homes with elevated levels occur in all three zones, so only a test measures yours.
Data checked By Radon411Methodology
Nearest county
31.9%
Saline County, 113 miles
- Saline
- 31.9%
- Arkansas
- 22.7%
Share at 4+ pCi/L, 47 tests, 2007 to 2016
Ground above low
None
21.3 pts below Arkansas
- Ashley
- 0.0%
- Arkansas
- 21.3%
Share of land USGS rates moderate or high potential
Tests reported
1
Too few for a share
- Ashley
- 1
- Needed
- 30
2007 to 2016, 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 Ashley 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
Ashley County, At a glance
Ashley 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 Ashley County, 2007 to 2016, laboratory
CDC holds 1 reported test for Ashley County over the 2007 to 2016 laboratory totals, a result of 1.3 pCi/L: too few to describe a county (Radon411 reads a share from 30 tests up). Ashley County beside the counties around it is how this page reads it.
What these figures count
Only 1 test was reported to CDC for Ashley County over 2007 to 2016 (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: 2007 to 2016, laboratory. Measured data period: 2005 to 2016 (every CDC figure on file).
Ashley County, Compared
Ashley County radon figures, compared
Calculated by Radon411CDC's largest figure for Ashley County rests on 1 test over the 2007 to 2016 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 1.3 pCi/L, with a middle value of 1.3 pCi/L.
The nearest counties with a figure are Saline County (113 miles away) at 31.9%, Pulaski County (113 miles away) at 6.8% and Garland County (124 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 Ashley 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.
Ashley County, Geology
The ground under Ashley County
PredictedUSGS's geologic map puts all of Ashley County's mapped land in one class: low radon potential. The map puts 69.9% of Ashley County in the area it calls West Gulf Coastal Plain and 30.0% in Mississippi Alluvial Plain. USGS gives the first a radon index of 7 and the second 8, both in the low band (5 to 8).
| Area | The rock, in USGS's words | Potential | Radon index | Share of land |
|---|---|---|---|---|
| West Gulf Coastal Plain | Glauconitic, phosphatic, and carbonaceous sediments. | Low | 7 | 69.9% |
| Mississippi Alluvial Plain | Alluvial sand, silt, gravel, and clay. | Low | 8 | 30.0% |
Names, descriptions and indexes: U.S. Geological Survey, Geologic Radon Potential Map (2025). Shares: Radon411, from the map cut to the boundary.
Ashley County beside the ground around it
Across Arkansas 21.3% of the land is rated moderate; none of Ashley County's is. None of the 6 counties that border it has any moderate-potential ground either.
The map rates the ground, not the air in any home.
Local help
Ashley County, Local resources
Radon testing and mitigation in Ashley 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
Ashley County, Questions
Questions about radon in Ashley County
Are radon levels high in Ashley County?
Over the 2007 to 2016 laboratory totals, 0.0% of the radon tests reported to CDC for Ashley County, Arkansas were at or above 4 pCi/L, and the median reported pre-mitigation result was 1.3 pCi/L. Of the 5 nearest counties with a figure, within 259 miles, the share of tests at or above 4 pCi/L runs from 6.8% to 45.8%.
Which counties border Ashley County?
Ashley County borders 6 counties: Bradley County, AR, Drew County, AR, Chicot County, AR, Morehouse Parish, LA, Union Parish, LA and Union County, AR.
Products
Ashley County, Products
Testing a home in Ashley County
No CDC figure names Ashley County; the nearest county with one, Saline County (113 miles away), reported 31.9% 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 Ashley 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
View Plus radon and air quality monitor
- C-NRPP 2024/25: Approved
- Battery
- Wi-Fi, Bluetooth
- Screen, app
Method: Alpha spectrometry
- See every kit and monitor Test kits and monitors
Test kits and monitors: 1 of 3
Explore
Ashley County, Bordering counties
Counties bordering Ashley County
Calculated by Radon411- Radon levels in Bradley County, AREPA zone 3
0.0%at or above 4 pCi/L
Median 0.1 pCi/L · 1 test
- Radon levels in Drew County, AREPA zone 3
0.0%at or above 4 pCi/L
Median 0.1 pCi/L · 1 test
- Radon levels in Union Parish, LAEPA zone 3
0.0%at or above 4 pCi/L
Median 2.8 pCi/L · 1 test
- Radon levels in Union County, AREPA zone 3
0.0%at or above 4 pCi/L
Median 0.1 pCi/L · 3 tests
- Radon levels in Chicot County, AREPA zone 3
No CDC figure for 2007 to 2016; its page reads it against its own neighbours.
- Radon levels in Morehouse Parish, LAEPA zone 3
No CDC figure for 2007 to 2016; its page reads it against its own neighbours.
Ashley County, Cities and towns
Cities and towns in Ashley County
Ashley County has been losing residents: from 18,959 in 2020 to 17,831 on July 1, 2025, a fall of 5.9% by the Census Bureau's estimates. That works out to 19 people per square mile of land. Its largest town, Crossett, has 4,454 residents, 25.0% of the total. Together its 7 incorporated places hold 44.9% of those residents; the other 55.1% live outside any of them. Reported testing is thin here: 1 test over 2007 to 2016, or 0.1 for every 1,000 residents (2025 estimate), where Arkansas as a whole comes to 0.2.
From Crossett to Fountain Hill, CDC publishes no figure by town: each reads Ashley County's.
| Place | Residents | Since 2020 | Share of residents |
|---|---|---|---|
| Crossett | 4,454 | −7.0% | 25.0% |
| Hamburg | 2,364 | −6.2% | 13.3% |
| Wilmot | 395 | −6.6% | 2.2% |
| Portland | 302 | −5.9% | 1.7% |
| Montrose | 227 | −7.0% | 1.3% |
| Parkdale | 163 | −6.9% | 0.9% |
| Fountain Hill | 102 | −4.7% | 0.6% |
7 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).
Ashley County, Homes
Homes in Ashley County
Of Ashley County's 9,401 homes, 71% are detached houses, against 70% across Arkansas; 20% are mobile homes. The homes are older than Arkansas' as a whole: half were built before 1977 (1987 for Arkansas), and 22% date from before 1960. 72% of occupied homes are lived in by their owner (Arkansas: 66%); in the rest a tenant can run a test, but a fix is the landlord's to make.
| Homes | Ashley County | Arkansas |
|---|---|---|
| Housing units | 9,401 | 1,382,664 |
| Detached houses | 71% | 70% |
| In buildings of 5 or more | 3% | 10% |
| Mobile homes | 20% | 11% |
| Built before 1960 | 22% | 14% |
| Built since 2000 | 15% | 28% |
| Middle year built | 1977 | 1987 |
| Owner-occupied | 72% | 66% |
Census Bureau, American Community Survey, 2019 to 2023: estimates from a sample of homes, looser for a small place. Shares by Radon411.