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 Newton County, Arkansas
EPA puts Newton 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
14.3%
Washington County, 56 miles
- Washington
- 14.3%
- Arkansas
- 22.7%
Share at 4+ pCi/L, 56 tests, 2007 to 2016
Ground above low
48.8%
27.5 pts above Arkansas
- Newton
- 48.8%
- Arkansas
- 21.3%
Share of land USGS rates moderate or high potential
Tests reported
1
Too few for a share
- Newton
- 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 Newton 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
Newton County, At a glance
Newton County at a glance
Predicted: EPA radon zone
EPA Zone 3: lower predicted potential
USGS geologic potential: Low across 51% of the county's area
Predicted: EPA Map of Radon Zones
Measured: tests reported to CDC
Radon tests reported for Newton County, 2008 to 2017, laboratory
CDC holds 1 reported test for Newton County over the 2008 to 2017 laboratory totals, a result of 3.0 pCi/L: too few to describe a county (Radon411 reads a share from 30 tests up). Newton County beside the counties around it is how this page reads it.
What these figures count
Only 1 test was reported to CDC for Newton 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).
Newton County, Compared
Newton County radon figures, compared
Calculated by Radon411CDC's largest figure for Newton 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 3.0 pCi/L, with a middle value of 3.0 pCi/L.
The nearest counties with a figure are Washington County (56 miles away) at 14.3%, Benton County (65 miles away) at 31.0% 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 Newton County in Zone 3, its lowest label: a predicted county average under 2 pCi/L. USGS geology rates 51% of the county's land low radon potential.
Pooled shares: Radon411's sum of CDC's county counts for one period.
Newton County, Geology
The ground under Newton County
PredictedUSGS's geologic map splits Newton County: 51.2% of its land is low radon potential and 48.8% moderate. The map puts 51.2% of Newton County in the area it calls Boston Mountains and 48.8% in Springfield Plateau. USGS gives the first a radon index of 8, in the low band (5 to 8), and the second 9, in the moderate band (9 to 11).
| Area | The rock, in USGS's words | Potential | Radon index | Share of land |
|---|---|---|---|---|
| Boston Mountains | Mississippian and Pennsylvanian sandstones and shales. | Low | 8 | 51.2% |
| Springfield Plateau | Mississippian limestone, shale, and sandstone. | Moderate | 9 | 48.8% |
Names, descriptions and indexes: U.S. Geological Survey, Geologic Radon Potential Map (2025). Shares: Radon411, from the map cut to the boundary.
Newton County beside the ground around it
Newton County has more moderate-potential ground than Arkansas as a whole: 48.8% of its land against 21.3%. Of the 6 counties that border it, 3 have more moderate-potential ground, Carroll County the most at 95.4%.
The map rates the ground, not the air in any home.
Local help
Newton County, Local resources
Radon testing and mitigation in Newton 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
Newton County, Questions
Questions about radon in Newton County
Are radon levels high in Newton County?
Over the 2008 to 2017 laboratory totals, 0.0% of the radon tests reported to CDC for Newton County, Arkansas were at or above 4 pCi/L, and the median reported pre-mitigation result was 3.0 pCi/L. Of the 5 nearest counties with a figure, within 94 miles, the share of tests at or above 4 pCi/L runs from 6.8% to 45.8%.
Which counties border Newton County?
Newton County borders 6 counties: Madison County, Boone County, Johnson County, Searcy County, Carroll County and Pope County.
Products
Newton County, Products
Testing a home in Newton County
No CDC figure names Newton County; the nearest county with one, Washington County (56 miles away), reported 14.3% 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 Newton 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
Newton County, Bordering counties
Counties bordering Newton County
Calculated by Radon411- Radon levels in Johnson CountyEPA zone 3
66.7%at or above 4 pCi/L
Median 9.7 pCi/L · 3 tests
- Radon levels in Searcy CountyEPA zone 2
50.0%at or above 4 pCi/L
Median 3.5 pCi/L · 4 tests
- Radon levels in Boone CountyEPA zone 2
34.8%at or above 4 pCi/L
Median 3.3 pCi/L · 23 tests
- Radon levels in Carroll CountyEPA zone 2
31.6%at or above 4 pCi/L
Median 2.0 pCi/L · 19 tests
- Radon levels in Madison CountyEPA zone 3
16.7%at or above 4 pCi/L
Median 1.0 pCi/L · 6 tests
- Radon levels in Pope CountyEPA zone 3
15.4%at or above 4 pCi/L
Median 2.7 pCi/L · 13 tests
Newton County, Cities and towns
Cities and towns in Newton County
About 7,026 people live in Newton County by the Census Bureau's estimate for July 1, 2025, 167 fewer than in 2020 (−2.3%). Spread over its land, that is 8.6 people to the square mile. No town dominates: Jasper, the largest, has 516 residents, 7.3% of the total. Together its 2 incorporated places hold 12.3% of those residents; the other 87.7% 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 Jasper to Western Grove, CDC publishes no figure by town: each reads Newton County's.
| Place | Residents | Since 2020 | Share of residents |
|---|---|---|---|
| Jasper | 516 | −2.8% | 7.3% |
| Western Grove | 346 | −2.5% | 4.9% |
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).
Newton County, Homes
Homes in Newton County
Newton County is a place of houses on their own lots: 81% of its 4,107 homes are detached single-family houses, against 70% across Arkansas. Half of its homes were built before 1981, close to Arkansas' 1987: 21% date from before 1960 and 23% from 2000 or later. 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 | Newton County | Arkansas |
|---|---|---|
| Housing units | 4,107 | 1,382,664 |
| Detached houses | 81% | 70% |
| In buildings of 5 or more | 3% | 10% |
| Mobile homes | 13% | 11% |
| Built before 1960 | 21% | 14% |
| Built since 2000 | 23% | 28% |
| Middle year built | 1981 | 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.