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Radon Levels in Liberty County, Georgia

EPA puts Liberty County in Zone 3, its lowest radon zone, and only 10 radon tests from it are 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%

    Chatham County, 24 miles

    Chatham
    0.0%
    Georgia
    23.9%

    Share at 4+ pCi/L, 47 tests, 2007 to 2016

  • Ground above low

    None

    26.5 pts below Georgia

    Liberty
    0.0%
    Georgia
    26.5%

    Share of land USGS rates moderate or high potential

  • Tests reported

    14

    Too few for a share

    Liberty
    14
    Needed
    30

    2006 to 2015, laboratory

  • EPA radon zone

    Zone 3

    Lower potential

    1. 1
    2. 2
    3. Zone 3

    1 highest, 3 lowest

    EPA predicts under 2 pCi/L indoors

Read a result for Liberty County

Starts at EPA's action level

4.0pCi/L

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

  1. Under 20 to 1.9 pCi/L
  2. 2 to 4consider a fix
  3. 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

Liberty County, At a glance

Liberty County at a glance

Predicted: EPA radon zone

EPA Zone 3: lower predicted potential

is EPA's lowest class, and its forecast for Liberty County as a whole is an average indoor of less than 2 pCi/L (less than 75 Bq/m³). A low zone clears no address in it: homes above EPA's turn up in all three zones.

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 Liberty County, 2008 to 2017, laboratory

CDC holds 10 reported tests for Liberty County over the 2008 to 2017 laboratory totals, with a median of 1.1 pCi/L: too few to describe a county (Radon411 reads a share from 30 tests up). Liberty County beside the counties around it is how this page reads it.

What these figures count

Only 10 tests were reported to CDC for Liberty 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).

How to read these figures

Liberty County, Compared

Liberty County radon figures, compared

Calculated by Radon411

CDC's largest figure for Liberty County rests on 14 tests over the 2006 to 2015 laboratory totals, 0 of them at or above 4 pCi/L, so each test moves its share by 7.1 points and no rank or comparison is drawn from it. Results reached as high as 1.6 pCi/L, with a middle value of 0.9 pCi/L.

The nearest counties with a figure are Chatham County (24 miles away) at 0.0%, Laurens County (94 miles away) at 16.1% and Richmond County (111 miles away) at 0.0%. 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 Liberty 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.

Georgia, the United States and the counties around Liberty County, 2007 to 2016, laboratory
AreaTestsAt or above 4 pCi/LMedian
Georgia, pooled137 counties, pooled29,45523.9%Not pooled
United States, pooled2,666 counties, pooled1,939,02535.8%Not pooled
Barrow Countyhighest in the state34151.0%4.0 pCi/L
Dougherty Countylowest in the state320.0%0.6 pCi/L
Evans County, GAborders it10.0%1.2 pCi/L
Bryan County, GAborders it10.0%2.1 pCi/L
McIntosh County, GAborders it70.0%0.8 pCi/L
The nearest Georgia counties to Liberty County with 30 or more tests, 2007 to 2016, laboratory
CountyDistanceTestsAt or above 4 pCi/LMedian
Chatham County24 mi470.0%0.6 pCi/L
Laurens County94 mi3116.1%0.9 pCi/L
Richmond County111 mi350.0%1.3 pCi/L
Columbia County126 mi729.7%0.8 pCi/L
Houston County135 mi618.2%1.5 pCi/L
Bibb County145 mi960.0%1.0 pCi/L
Jones County146 mi3426.5%2.0 pCi/L
Putnam County150 mi3327.3%2.2 pCi/L
Liberty County ten-year laboratory totals, against Georgia's pooled share
PeriodTestsAt or above 4 pCi/LMedianHighestGeorgia, pooledChange from the row before
2008 to 2017100.0%1.1 pCi/L1.6 pCi/L24.8%Level
2007 to 2016120.0%1.0 pCi/L1.6 pCi/L23.9%Level
2006 to 2015140.0%0.9 pCi/L1.6 pCi/L23.7%Level
2005 to 201460.0%0.7 pCi/L1.2 pCi/L23.2%First on file

Pooled shares: Radon411's sum of CDC's county counts for one period.

Liberty County, Geology

The ground under Liberty County

Predicted

USGS's geologic map puts all of Liberty County's mapped land in one class: low radon potential. 97.1% of it lies in the area the map calls Coastal Plain, to which USGS gives a radon index of 7, in the low band (5 to 8).

USGS's geologic areas under Liberty County
AreaThe rock, in USGS's wordsPotentialRadon indexShare of land
Coastal PlainQuaternary and Pleistocene-Pliocene coastal sand and gravel, lagoon and marsh clay and silt.Low797.1%

Names, descriptions and indexes: U.S. Geological Survey, Geologic Radon Potential Map (2025). Shares: Radon411, from the map cut to the boundary.

Liberty County beside the ground around it

Across Georgia 26.5% of the land is rated moderate; none of Liberty County's is. None of the 5 counties that border it has any moderate-potential ground either.

Share of land by USGS radon potential: Liberty County, the 5 counties bordering it and Georgia
AreaEPA zoneLow potentialModerate potentialHigh potential
Liberty CountyZone 397.1%NoneNone
Bryan CountyZone 397.9%NoneNone
Long CountyZone 3100%NoneNone
McIntosh CountyZone 391.0%NoneNone
Evans CountyZone 3100%NoneNone
Tattnall CountyZone 3100%NoneNone
Georgia159 counties, pooled by land areaVaries73.1%26.5%None

The map rates the ground, not the air in any home.

What it means

Liberty County, Questions

Questions about radon in Liberty County

Are radon levels high in Liberty County?

Over the 2008 to 2017 laboratory totals, 0.0% of the radon tests reported to CDC for Liberty 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 150 miles, the share of tests at or above 4 pCi/L runs from 0.0% to 27.3%.

Which counties border Liberty County?

Liberty County borders 5 counties: Bryan County, Long County, McIntosh County, Evans County and Tattnall County.

Products

Liberty County, Products

Testing a home in Liberty County

No CDC figure names Liberty County; the nearest county with one, Chatham County (24 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 Liberty County.

Test kits and monitors3

See every kit and monitor

Best radon monitors for Liberty County homes, compared

Explore

Liberty County, Bordering counties

Counties bordering Liberty County

Calculated by Radon411

Liberty County, Cities and towns

Cities and towns in Liberty County

Liberty County is growing: the Census Bureau puts it at 70,313 residents on July 1, 2025, up 7.6% from 65,330 in 2020. That works out to 136 people per square mile of land. Hinesville alone is home to 36,674 of them, 52.2% of the total. Together its 7 incorporated places hold 65.1% of those residents; the other 34.9% live outside any of them. Reported testing is thin here: 14 tests over 2006 to 2015, or 0.2 for every 1,000 residents (2025 estimate), where Georgia as a whole comes to 2.5.

From Hinesville to Gumbranch, CDC publishes no figure by town: each reads Liberty County's.

The cities and towns in Liberty County by residents, July 1, 2025
PlaceResidentsSince 2020Share of residents
Hinesville36,674+4.6%52.2%
Walthourville4,003+9.3%5.7%
Midway2,387+7.0%3.4%
Allenhurst904+9.7%1.3%
Flemington880+8.1%1.3%
Riceboro676+10.8%1.0%
Gumbranch261+11.1%0.4%

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).

Liberty County, Homes

Homes in Liberty County

Of Liberty County's 27,228 homes, 56% are detached houses, against 66% across Georgia; 17% are mobile homes. Half of its homes were built before 1993, close to Georgia's 1991: 5% date from before 1960 and 32% from 2000 or later. Most occupied homes here are rented: owners live in 50% (Georgia: 65%). A tenant can run a test; a fix is the landlord's to make.

Homes in Liberty County, Georgia, 2019 to 2023
HomesLiberty CountyGeorgia
Housing units27,2284,483,873
Detached houses56%66%
In buildings of 5 or more13%16%
Mobile homes17%8%
Built before 19605%12%
Built since 200032%33%
Middle year built19931991
Owner-occupied50%65%

Census Bureau, American Community Survey, 2019 to 2023: estimates from a sample of homes, looser for a small place. Shares by Radon411.