
Short-term kit![]()
RA400 short-term liquid scintillation radon test kit, lab fee included
- Lab fee included
Method: Liquid scintillation
In home: 48 to 96 hours
Locations and reports
EPA puts Berrien 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
0.0%
Dougherty County, 61 miles
Share at 4+ pCi/L, 32 tests, 2007 to 2016
Ground above low
None
26.5 pts below Georgia
Share of land USGS rates moderate or high potential
Tests reported
1
Too few for a share
2008 to 2017, laboratory
EPA radon zone
Zone 3
Lower potential
1 highest, 3 lowest
EPA predicts under 2 pCi/L indoors
Read a result for Berrien County
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
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
Berrien County, At a glance
Predicted: EPA radon zone
USGS geologic potential: Low across 100% of the county's area
Predicted: EPA Map of Radon Zones
Measured: tests reported to CDC
CDC holds 1 reported test for Berrien 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). Berrien County beside the counties around it is how this page reads it.
Only 1 test was reported to CDC for Berrien 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).
Berrien County, Compared
CDC's largest figure for Berrien 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.
The nearest counties with a figure are Dougherty County (61 miles away) at 0.0%, Laurens County (84 miles away) at 16.1% and Houston County (85 miles away) at 8.2%. Pooled across 137 Georgia counties, 23.9% of reported tests reached that level; across every county in the country with a figure, 35.8%.
Statewide for the same period, Barrow County reported the highest share (51.0%) and Dougherty County the lowest (0.0%). EPA's 1993 map puts Berrien 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.
Berrien County, Geology
USGS's geologic map puts all of Berrien County's mapped land in one class: low radon potential. All of it lies in the area the map calls Coastal 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 |
|---|---|---|---|---|
| Coastal Plain | Cretaceous and Tertiary marine and coastal sediments including limestone, sandstone, sand, silt, and clay. Coastal plan sands containing glauconite may generate locally elevated radon. | 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.
Across Georgia 26.5% of the land is rated moderate; none of Berrien County's is. None of the 7 counties that border it has any moderate-potential ground either.
The map rates the ground, not the air in any home.
Local help
Berrien County, Local resources
A kit costs $15.00 if mailed or $10.00 if picked up at a participating County Extension office.
There are no laws mandating a mitigator receive certification in Georgia, however, many mitigators choose to get certified by one of two national programs.
What it means
Berrien County, Questions
Over the 2008 to 2017 laboratory totals, 0.0% of the radon tests reported to CDC for Berrien County, Georgia were at or above 4 pCi/L, and the median reported pre-mitigation result was 1.1 pCi/L. Of the 8 nearest counties with a figure, within 133 miles, the share of tests at or above 4 pCi/L runs from 0.0% to 26.5%.
Berrien County borders 7 counties: Cook County, Lanier County, Atkinson County, Tift County, Irwin County, Lowndes County and Coffee County.
Products
Berrien County, Products
No CDC figure names Berrien County; the nearest county with one, Dougherty County (61 miles away), reported 0.0% 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 Berrien County.
Test kits and monitors: 1 of 3
Explore
Berrien County, Bordering counties
0.0%at or above 4 pCi/L
Median 3.9 pCi/L · 1 test
0.0%at or above 4 pCi/L
Median 1.4 pCi/L · 10 tests
0.0%at or above 4 pCi/L
Median 0.1 pCi/L · 1 test
0.0%at or above 4 pCi/L
Median 0.2 pCi/L · 17 tests
0.0%at or above 4 pCi/L
Median 1.0 pCi/L · 9 tests
No CDC figure for 2007 to 2016; its page reads it against its own neighbours.
No CDC figure for 2007 to 2016; its page reads it against its own neighbours.
Berrien County, Cities and towns
The Census Bureau estimates 18,932 residents in Berrien County for July 1, 2025, 789 more than in 2020 (+4.3%). That works out to 42 people per square mile of land. Its largest town, Nashville, has 5,038 residents, 26.6% of the total. Reported testing is thin here: 1 test over 2008 to 2017, or 0.1 for every 1,000 residents (2025 estimate), where Georgia as a whole comes to 2.7.
From Nashville to Alapaha, CDC publishes no figure by town: each reads Berrien County's.
| Place | Residents | Since 2020 | Share of residents |
|---|---|---|---|
| Nashville | 5,038 | +2.3% | 26.6% |
| Ray Cityextends beyond Berrien County | 1,132 | +18.2% | Counted whole |
| Enigma | 1,106 | +5.6% | 5.8% |
| Alapaha | 494 | +3.6% | 2.6% |
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). A place that extends beyond Berrien County is counted whole, so it has no share.
Berrien County, Homes
Of Berrien County's 8,065 homes, 60% are detached houses, against 66% across Georgia; 35% are mobile homes. Half of its homes were built before 1989, close to Georgia's 1991: 18% date from before 1960 and 28% from 2000 or later. 69% of occupied homes are lived in by their owner (Georgia: 65%); in the rest a tenant can run a test, but a fix is the landlord's to make.
| Homes | Berrien County | Georgia |
|---|---|---|
| Housing units | 8,065 | 4,483,873 |
| Detached houses | 60% | 66% |
| In buildings of 5 or more | 3% | 16% |
| Mobile homes | 35% | 8% |
| Built before 1960 | 18% | 12% |
| Built since 2000 | 28% | 33% |
| Middle year built | 1989 | 1991 |
| Owner-occupied | 69% | 65% |
Census Bureau, American Community Survey, 2019 to 2023: estimates from a sample of homes, looser for a small place. Shares by Radon411.