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Radon Levels in Dawson County, Georgia

EPA puts Dawson County in Zone 2, its middle radon zone, and 21.8% of its 142 reported radon tests (2008 to 2017, laboratory totals) were at or above 4 pCi/L. Homes with elevated levels occur in all three zones, so only a test measures yours.

Data checked By Radon411Methodology

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  • Share at 4+ pCi/L

    21.8%

    3.0 pts below GA

    Dawson
    21.8%
    Georgia
    24.8%

    142 tests, 2008 to 2017

  • Median result

    2.1pCi/L

    Below action level

    Dawson
    2.1 pCi/L
    EPA
    4.0 pCi/L

    Midpoint of the tests, 2008 to 2017

  • Tests reported

    142

    30th of 57 by tests

    Dawson
    142
    Fulton
    4,858

    Reported to CDC before any fix, 2008 to 2017

  • EPA radon zone

    Zone 2

    Moderate potential

    1. 1
    2. Zone 2
    3. 3

    1 highest, 3 lowest

    EPA predicts 2 to 4 pCi/L indoors

  • Rank in Georgia

    35 of 57

    Middle half

    Dawson
    21.8%
    Barrow
    48.3%

    By share, of 57 with 30+ tests

Read a result for Dawson County

Starts at Dawson County's median, 2.1 pCi/L

2.1pCi/L

EPA’s own thresholds; the figures are the area’s, never this home’s.

EPA’s reading of 2.1 pCi/L

Between 2 and 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 between 2 and 4 pCi/L. EPA recommends considering a fix when the level is between 2 and 4 pCi/L. Dawson County's median reported result, 2008 to 2017.

Interpret this readingWhat a fix costs

The data

Dawson County, At a glance

Dawson County at a glance

Predicted: EPA radon zone

EPA Zone 2: moderate predicted potential

Dawson County is a county: EPA's forecast for it as a whole is an average indoor of 2 to 4 pCi/L (75 to 150 Bq/m³). It describes no single address, and homes above EPA's are found in every zone, this one included.

USGS geologic potential: Moderate across 100% of the county's area

Predicted: EPA Map of Radon Zones

Measured: tests reported to CDC

Radon tests reported for Dawson County, 2008 to 2017, laboratory

Reported results by concentration band, Dawson County, 2008 to 2017, laboratory
Under 2 pCi/L: 48%2 to 4 pCi/L: 30%4 pCi/L and above: 22%

Of 142 pre-mitigation tests reported to CDC, not homes in this area.

Reported results by concentration band, Dawson County, 2008 to 2017, laboratory: data table
Result bandTests MeasuredShare Measured
Under 2 pCi/L6847.9%
2 to 4 pCi/L4330.3%
4 pCi/L and above3121.8%
What these figures count

These are the 142 tests reported to CDC for Dawson County over 2008 to 2017 (laboratory totals), many from homes being sold or already suspected of a problem: they describe the county's reported tests, not 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

Dawson County, Compared

Dawson County radon figures, compared

Calculated by Radon411

Dawson County's 142 reported tests over the 2008 to 2017 laboratory totals had a middle value of 2.1 pCi/L and a maximum of 12.7 pCi/L, and 21.8% reached 4 pCi/L. Georgia as a whole (129 Georgia counties, pooled) comes to 24.8%: 3.0 points higher than here.

Among its state's counties it ranks 35th of 57 Georgia counties with 30 or more tests for the same period. Statewide for the same period, Barrow County reported the highest share (48.3%) and Richmond County the lowest (0.0%).

Below the action level, 68 tests (47.9%) came in under 2 pCi/L, against 44.0% statewide, and 43 tests (30.3%) fell between 2 and 4, against 31.2% statewide. CDC's ten-year totals for Dawson County went from 170 tests (2005 to 2014) to 142 (2008 to 2017), the share going from 15.9% to 21.8%.

EPA's 1993 zone map puts Dawson County in Zone 2, a predicted county average between 2 and 4 pCi/L. USGS geology rates 100% of the county's land moderate radon potential.

Next door, the shares run from 13.0% in Forsyth County to 46.6% in Gilmer County, with Cherokee County and Forsyth County below Dawson County.

CDC also counts 8 tests taken after mitigation in Dawson County for the same period: tests in homes where a fix was already in.

Dawson County against Georgia, the United States and nearby counties, 2008 to 2017, laboratory
AreaTestsAt or above 4 pCi/LMedianDifference from Dawson County
Dawson County14221.8%2.1 pCi/LThis county
Georgia, pooled129 counties, pooled30,15224.8%Not pooled+3.0 points
United States, pooled2,661 counties, pooled2,013,54435.7%Not pooled+13.9 points
Barrow Countyhighest in the state32148.3%3.8 pCi/L+26.5 points
Richmond Countylowest in the state320.0%1.4 pCi/L−21.8 points
Gilmer County, GAborders it29046.6%3.8 pCi/L+24.8 points
Lumpkin County, GAborders it13646.3%3.6 pCi/L+24.5 points
Fannin County, GAborders it30044.7%3.5 pCi/L+22.9 points
Hall County, GAborders it1,30339.8%3.2 pCi/L+18.0 points
Pickens County, GAborders it13337.6%3.1 pCi/L+15.8 points
Cherokee County, GAborders it1,15417.6%2.0 pCi/L−4.2 points
Forsyth County, GAborders it1,38313.0%1.9 pCi/L−8.8 points
Where Dawson County's reported results fell, 2008 to 2017, laboratory, beside Georgia and the United States
ResultDawson County testsDawson County shareGeorgia shareU.S. shareAgainst Georgia
Under 2 pCi/L6847.9%44.0%39.6%+3.9 points
2 to 4 pCi/L4330.3%31.2%24.7%−0.9 points
4 pCi/L and above3121.8%24.8%35.7%−3.0 points
Dawson County ranked among the 57 Georgia counties with 30 or more tests, by share at or above 4 pCi/L, 2008 to 2017, laboratory
CountyRankTestsAt or above 4 pCi/LMedian
White County30 of 579125.3%2.7 pCi/L
Bartow County31 of 5717724.9%2.2 pCi/L
Monroe County32 of 5724823.0%1.6 pCi/L
Walker County33 of 574422.7%1.6 pCi/L
Henry County34 of 5738422.7%2.1 pCi/L
Dawson County35 of 5714221.8%2.1 pCi/L
Fulton County36 of 574,85820.8%2.2 pCi/L
Whitfield County37 of 5710220.6%1.2 pCi/L
Clayton County38 of 5715420.1%1.6 pCi/L
Floyd County39 of 5711619.8%1.9 pCi/L
Coweta County40 of 5754819.2%2.0 pCi/L
Dawson County ten-year laboratory totals, against Georgia's pooled share
PeriodTestsAt or above 4 pCi/LMedianHighestGeorgia, pooledChange from the row before
2008 to 201714221.8%2.1 pCi/L12.7 pCi/L24.8%+1.5 points
2007 to 201614320.3%1.9 pCi/L12.7 pCi/L23.9%+3.5 points
2006 to 201517916.8%1.8 pCi/L12.7 pCi/L23.7%+0.9 points
2005 to 201417015.9%1.8 pCi/L12.7 pCi/L23.2%First on file

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

Dawson County, Geology

The ground under Dawson County

Predicted

USGS's geologic map puts all of Dawson County's mapped land in one class: moderate radon potential. The map puts 72.8% of Dawson County in the area it calls Georgiabama Thrust Stack (North) and 27.2% in Georgiabama Thrust Stack (South). USGS gives both a radon index of 9, in the moderate band (9 to 11).

USGS's geologic areas under Dawson County
AreaThe rock, in USGS's wordsPotentialRadon indexShare of land
Georgiabama Thrust Stack (North)Gneiss, phyllite, and schist.Moderate972.8%
Georgiabama Thrust Stack (South)Schist, amphibolite and granite.Moderate927.2%

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

Dawson County beside the ground around it

Dawson County has more moderate-potential ground than Georgia as a whole: 100% of its land against 26.5%. Of the 7 counties that border it, none has as large a share of moderate-potential ground; Fannin County comes nearest at 100%.

Share of land by USGS radon potential: Dawson County, the 7 counties bordering it and Georgia
AreaEPA zoneLow potentialModerate potentialHigh potential
Dawson CountyZone 2None100%None
Lumpkin CountyZone 2None100%None
Pickens CountyZone 2None100%None
Gilmer CountyZone 2None100%None
Fannin CountyZone 2None100%None
Cherokee CountyZone 2None100%None
Forsyth CountyZone 2None100%None
Hall CountyZone 2None100%None
Georgia159 counties, pooled by land areaVaries73.1%26.5%None

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

Local help

Dawson County, Local resources

Radon testing and mitigation in Dawson County

What Georgia's program says
Licensing of radon professionals
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

Dawson County, Questions

Questions about radon in Dawson County

Are radon levels high in Dawson County?

Over the 2008 to 2017 laboratory totals, 21.8% of the radon tests reported to CDC for Dawson County, Georgia were at or above 4 pCi/L, and the median reported pre-mitigation result was 2.1 pCi/L. Of 57 Georgia counties with 30 or more tests for the same period, 34 reported a higher share; pooled, the state comes to 24.8%.

Which counties border Dawson County?

Dawson County borders 7 counties: Lumpkin County, Pickens County, Gilmer County, Fannin County, Cherokee County, Forsyth County and Hall County.

Products

Dawson County, Products

Testing a home in Dawson County

In Dawson County, 21.8% of 142 tests reported to CDC over the 2008 to 2017 laboratory totals reached 4 pCi/L, against 24.8% pooled across Georgia. In Zone 2 a short-term kit (2 to 90 days) is the quick first check in Dawson County; a long-term test tells the year-round average.

Test kits and monitors3

See every kit and monitor

Best radon monitors for Dawson County homes, compared

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Dawson County, Bordering counties

Counties bordering Dawson County

Calculated by Radon411

Dawson County, Cities and towns

Cities and towns in Dawson County

Dawson County is growing: the Census Bureau puts it at 35,365 residents on July 1, 2025, up 30.7% from 27,062 in 2020. That works out to 168 people per square mile of land. Dawsonville, its one incorporated place, has 4,888 residents, 13.8% of the total. Testing is reported here more often than across the state: CDC's 142 reported tests for 2008 to 2017 come to 4.0 for every 1,000 residents (2025 estimate), against 2.7 for Georgia.

Dawsonville is the one incorporated place here; CDC publishes no figure by town, so it reads Dawson County's.

Dawsonville, Dawson County: residents on July 1, 2025
PlaceResidentsSince 2020Share of residents
Dawsonville4,888+29.5%13.8%

One incorporated place, 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).

Dawson County, Homes

Homes in Dawson County

Dawson County is a place of houses on their own lots: 80% of its 12,531 homes are detached single-family houses, against 66% across Georgia. Half of its homes were built before 1997, close to Georgia's 1991: 4% date from before 1960 and 44% from 2000 or later. Owners live in 78% of the occupied homes (Georgia: 65%), so for most households a test and a fix are their own to order.

Homes in Dawson County, Georgia, 2019 to 2023
HomesDawson CountyGeorgia
Housing units12,5314,483,873
Detached houses80%66%
In buildings of 5 or more5%16%
Mobile homes7%8%
Built before 19604%12%
Built since 200044%33%
Middle year built19971991
Owner-occupied78%65%

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