Short-term kitKidde
442020 short-term charcoal radon test kit
- Lab fee included
Method: Charcoal
In home: 3 days
Locations and reports
Radon Levels in Phillips County, Arkansas
EPA puts Phillips 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, 87 miles
- Pulaski
- 6.8%
- Arkansas
- 22.7%
Share at 4+ pCi/L, 103 tests, 2007 to 2016
Ground above low
3.2%
18.1 pts below Arkansas
- Phillips
- 3.2%
- Arkansas
- 21.3%
Share of land USGS rates moderate or high potential
Tests reported
1
Too few for a share
- Phillips
- 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 Phillips 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
Phillips County, At a glance
Phillips County at a glance
Predicted: EPA radon zone
EPA Zone 3: lower predicted potential
USGS geologic potential: Low across 97% of the county's area
Predicted: EPA Map of Radon Zones
Measured: tests reported to CDC
Radon tests reported for Phillips County, 2008 to 2017, laboratory
CDC holds 1 reported test for Phillips County over the 2008 to 2017 laboratory totals, a result of 0.1 pCi/L: too few to describe a county (Radon411 reads a share from 30 tests up). Phillips County beside the counties around it is how this page reads it.
What these figures count
Only 1 test was reported to CDC for Phillips 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).
Phillips County, Compared
Phillips County radon figures, compared
Calculated by Radon411CDC's largest figure for Phillips 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 0.1 pCi/L, with a middle value of 0.1 pCi/L.
The nearest counties with a figure are Pulaski County (87 miles away) at 6.8%, Saline County (105 miles away) at 31.9% and Garland County (132 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 Phillips County in Zone 3, its lowest label: a predicted county average under 2 pCi/L. USGS geology rates 97% of the county's land low radon potential.
Pooled shares: Radon411's sum of CDC's county counts for one period.
Phillips County, Geology
The ground under Phillips County
PredictedMost of the ground under Phillips County is one class on USGS's geologic map: 96.8% of its land is low radon potential, with 3.2% moderate. 96.8% 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 | 96.8% |
| Crowley's Ridge | Loess. | Moderate | 9 | 3.2% |
Names, descriptions and indexes: U.S. Geological Survey, Geologic Radon Potential Map (2025). Shares: Radon411, from the map cut to the boundary.
Phillips County beside the ground around it
Arkansas as a whole has more moderate-potential ground than Phillips County: 21.3% of its land, against 3.2% here. Of the 7 counties that border it, none has as large a share of moderate-potential ground; Lee County comes nearest at 2.4%.
The map rates the ground, not the air in any home.
Local help
Phillips County, Local resources
Radon testing and mitigation in Phillips 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
Phillips County, Questions
Questions about radon in Phillips County
Are radon levels high in Phillips County?
Over the 2008 to 2017 laboratory totals, 0.0% of the radon tests reported to CDC for Phillips County, Arkansas were at or above 4 pCi/L, and the median reported pre-mitigation result was 0.1 pCi/L. Of the 5 nearest counties with a figure, within 233 miles, the share of tests at or above 4 pCi/L runs from 6.8% to 45.8%.
Which counties border Phillips County?
Phillips County borders 7 counties: Coahoma County, MS, Lee County, AR, Monroe County, AR, Tunica County, MS, Arkansas County, AR, Bolivar County, MS and Desha County, AR.
Products
Phillips County, Products
Testing a home in Phillips County
No CDC figure names Phillips County; the nearest county with one, Pulaski County (87 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 Phillips County.
Test kits and monitors3
See every kit and monitor
Long-term kit
RL416 long-term radon test kit, lab fee included
- Lab fee included
Method: Alpha track
In home: 90 days to 12 months
MonitorAEGTEST
HOUND-1085 palm-sized rechargeable radon detector
- C-NRPP 2024/25: Not included
- Battery
- Alarm
- Screen
Method: Semiconductor sensor
First reading: Within 6 hours
- See every kit and monitor Test kits and monitors
Test kits and monitors: 1 of 3
Explore
Phillips County, Bordering counties
Counties bordering Phillips County
Calculated by Radon411- Radon levels in Monroe County, AREPA zone 3
50.0%at or above 4 pCi/L
Median 3.9 pCi/L · 2 tests
- Radon levels in Arkansas County, AREPA zone 3
0.0%at or above 4 pCi/L
Median 1.3 pCi/L · 1 test
- Radon levels in Coahoma County, MSEPA zone 3
No CDC figure for 2007 to 2016; its page reads it against its own neighbours.
- Radon levels in Lee County, AREPA zone 3
No CDC figure for 2007 to 2016; its page reads it against its own neighbours.
- Radon levels in Tunica County, MSEPA zone 3
No CDC figure for 2007 to 2016; its page reads it against its own neighbours.
- Radon levels in Bolivar County, MSEPA zone 3
No CDC figure for 2007 to 2016; its page reads it against its own neighbours.
- Radon levels in Desha County, AREPA zone 3
No CDC figure for 2007 to 2016; its page reads it against its own neighbours.
Phillips County, Cities and towns
Cities and towns in Phillips County
Phillips County has been losing residents: from 16,383 in 2020 to 14,255 on July 1, 2025, a fall of 13.0% by the Census Bureau's estimates. That works out to 21 people per square mile of land. Helena-West Helena alone is home to 8,216 of them, 57.6% of the total. Together its 5 incorporated places hold 69.0% of those residents; the other 31.0% 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 Helena-West Helena to Lexa, CDC publishes no figure by town: each reads Phillips County's.
| Place | Residents | Since 2020 | Share of residents |
|---|---|---|---|
| Helena-West Helena | 8,216 | −13.2% | 57.6% |
| Marvell | 717 | −13.9% | 5.0% |
| Elaine | 434 | −14.2% | 3.0% |
| Lake View | 284 | −12.3% | 2.0% |
| Lexa | 178 | −12.7% | 1.2% |
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).
Phillips County, Homes
Homes in Phillips County
Of Phillips County's 8,386 homes, 69% are detached houses, against 70% across Arkansas; 11% are mobile homes. The homes are older than Arkansas' as a whole: half were built before 1975 (1987 for Arkansas), and 17% date from before 1960. 54% 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 | Phillips County | Arkansas |
|---|---|---|
| Housing units | 8,386 | 1,382,664 |
| Detached houses | 69% | 70% |
| In buildings of 5 or more | 7% | 10% |
| Mobile homes | 11% | 11% |
| Built before 1960 | 17% | 14% |
| Built since 2000 | 11% | 28% |
| Middle year built | 1975 | 1987 |
| Owner-occupied | 54% | 66% |
Census Bureau, American Community Survey, 2019 to 2023: estimates from a sample of homes, looser for a small place. Shares by Radon411.