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
Radon Levels in Coweta County, Georgia
EPA puts Coweta County in Zone 2, its middle radon zone, and 19.2% of its 548 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
Share at 4+ pCi/L
19.2%
5.6 pts below GA
- Coweta
- 19.2%
- Georgia
- 24.8%
548 tests, 2008 to 2017
Median result
2.0pCi/L
Below action level
- Coweta
- 2.0 pCi/L
- EPA
- 4.0 pCi/L
Midpoint of the tests, 2008 to 2017
Tests reported
548
11th of 57 by tests
- Coweta
- 548
- Fulton
- 4,858
Reported to CDC before any fix, 2008 to 2017
EPA radon zone
Zone 2
Moderate potential
- 1
- Zone 2
- 3
1 highest, 3 lowest
EPA predicts 2 to 4 pCi/L indoors
Rank in Georgia
40 of 57
Middle half
- Coweta
- 19.2%
- Barrow
- 48.3%
By share, of 57 with 30+ tests
Read a result for Coweta County
Starts at Coweta County's median, 2.0 pCi/L
EPA’s own thresholds; the figures are the area’s, never this home’s.
EPA’s reading of 2.0 pCi/L
Between 2 and 4 pCi/L
- Under 20 to 1.9 pCi/L
- 2 to 4consider a fix
- 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. Coweta County's median reported result, 2008 to 2017.
The data
Coweta County, At a glance
Coweta County at a glance
Predicted: EPA radon zone
EPA Zone 2: moderate predicted potential
Coweta County is a
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 Coweta County, 2008 to 2017, laboratory
Under 2 pCi/L: 49%2 to 4 pCi/L: 32%4 pCi/L and above: 19%
Of 548 pre-mitigation tests reported to CDC, not homes in this area.
| Result band | Tests Measured | Share Measured |
|---|---|---|
| Under 2 pCi/L | 268 | 48.9% |
| 2 to 4 pCi/L | 175 | 31.9% |
| 4 pCi/L and above | 105 | 19.2% |
What these figures count
These are the 548 tests reported to CDC for Coweta 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).
Coweta County, Compared
Coweta County radon figures, compared
Calculated by Radon411Coweta County's 548 reported tests over the 2008 to 2017 laboratory totals had a middle value of 2.0 pCi/L and a maximum of 37.4 pCi/L, and 19.2% reached 4 pCi/L. Georgia as a whole (129 Georgia counties, pooled) comes to 24.8%: 5.6 points higher than here.
Among its state's counties it ranks 40th 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, 268 tests (48.9%) came in under 2 pCi/L, against 44.0% statewide, and 175 tests (31.9%) fell between 2 and 4, against 31.2% statewide. CDC's ten-year totals for Coweta County went from 398 tests (2005 to 2014) to 548 (2008 to 2017), the share going from 17.6% to 19.2%.
EPA's 1993 zone map puts Coweta 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 20.8% in Fulton County to 40.5% in Carroll County.
CDC also counts 26 tests taken after mitigation in Coweta County for the same period: tests in homes where a fix was already in.
Pooled shares: Radon411's sum of CDC's county counts for one period.
Coweta County, Geology
The ground under Coweta County
PredictedUSGS's geologic map puts all of Coweta County's mapped land in one class: moderate radon potential. All of it lies in the area the map calls Georgiabama Thrust Stack (South), to which USGS gives a radon index of 9, in the moderate band (9 to 11).
| Area | The rock, in USGS's words | Potential | Radon index | Share of land |
|---|---|---|---|---|
| Georgiabama Thrust Stack (South) | Schist, amphibolite and granite. | Moderate | 9 | 100% |
Names, descriptions and indexes: U.S. Geological Survey, Geologic Radon Potential Map (2025). Shares: Radon411, from the map cut to the boundary.
Coweta County beside the ground around it
Coweta 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; Carroll County comes nearest at 100%.
The map rates the ground, not the air in any home.
Local help
Coweta County, Local resources
Radon testing and mitigation in Coweta County
- Georgia's radon programGeorgia Attorney General's Consumer Protection DivisionGeorgia's radon program does not license radon professionals and offers free or discounted test kits, and answers questions about testing and mitigation in Georgia.Visit the program’s page(opens in a new tab)
- Free and low-cost kitsThe program says:
A kit costs $15.00 if mailed or $10.00 if picked up at a participating County Extension office.
- Compare kits
- Professionals in Georgia3 professionals are listed in Georgia.
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
Coweta County, Questions
Questions about radon in Coweta County
Are radon levels high in Coweta County?
Over the 2008 to 2017 laboratory totals, 19.2% of the radon tests reported to CDC for Coweta County, Georgia were at or above 4 pCi/L, and the median reported pre-mitigation result was 2.0 pCi/L. Of 57 Georgia counties with 30 or more tests for the same period, 39 reported a higher share; pooled, the state comes to 24.8%.
Which counties border Coweta County?
Coweta County borders 7 counties: Fayette County, Meriwether County, Heard County, Troup County, Carroll County, Spalding County and Fulton County.
Products
Coweta County, Products
Testing a home in Coweta County
In Coweta County, 19.2% of 548 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 Coweta County; a long-term test tells the year-round average.
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
Monitor
Wave Radon battery smart radon monitor
- C-NRPP 2024/25: Not included
- Battery
- Bluetooth
- App only
Method: Alpha spectrometry
- See every kit and monitor Test kits and monitors
Test kits and monitors: 1 of 3
Explore
Coweta County, Bordering counties
Counties bordering Coweta County
Calculated by Radon411- Radon levels in Carroll CountyEPA zone 2
40.5%at or above 4 pCi/L
Median 3.4 pCi/L · 190 tests · 21.3 points above Coweta County
- Radon levels in Troup CountyEPA zone 2
33.9%at or above 4 pCi/L
Median 2.9 pCi/L · 56 tests · 14.7 points above Coweta County
- Radon levels in Spalding CountyEPA zone 2
33.6%at or above 4 pCi/L
Median 2.9 pCi/L · 107 tests · 14.4 points above Coweta County
- Radon levels in Fayette CountyEPA zone 2
30.5%at or above 4 pCi/L
Median 2.6 pCi/L · 873 tests · 11.3 points above Coweta County
- Radon levels in Heard CountyEPA zone 2
26.3%at or above 4 pCi/L
Median 1.8 pCi/L · 19 tests · 7.1 points above Coweta County
- Radon levels in Fulton CountyEPA zone 1
20.8%at or above 4 pCi/L
Median 2.2 pCi/L · 4,858 tests · 1.6 points above Coweta County
- Radon levels in Meriwether CountyEPA zone 2
4.5%at or above 4 pCi/L
Median 1.6 pCi/L · 22 tests · 14.7 points below Coweta County
Coweta County, Cities and towns
Cities and towns in Coweta County
Coweta County is growing: the Census Bureau puts it at 160,240 residents on July 1, 2025, up 9.2% from 146,746 in 2020. That works out to 363 people per square mile of land. Its largest town, Newnan, has 45,867 residents, 28.6% of the total. CDC's 548 reported tests for 2008 to 2017 work out to 3.4 per 1,000 residents (2025 estimate), close to Georgia's 2.7.
From Newnan to Haralson, CDC publishes no figure by town: each reads Coweta County's.
| Place | Residents | Since 2020 | Share of residents |
|---|---|---|---|
| Newnan | 45,867 | +7.2% | 28.6% |
| Senoia | 6,276 | +24.6% | 3.9% |
| Palmettoextends beyond Coweta County | 5,298 | +4.0% | Counted whole |
| Chattahoochee Hillsextends beyond Coweta County | 3,524 | +19.1% | Counted whole |
| Grantville | 3,284 | +5.6% | 2.0% |
| Turin | 590 | +60.3% | 0.4% |
| Moreland | 394 | +3.7% | 0.2% |
| Sharpsburg | 325 | −0.6% | 0.2% |
| Haralsonextends beyond Coweta County | 196 | +5.4% | Counted whole |
9 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 Coweta County is counted whole, so it has no share.
Coweta County, Homes
Homes in Coweta County
Coweta County is a place of houses on their own lots: 82% of its 58,186 homes are detached single-family houses, against 66% across Georgia. Half of its homes were built before 1998, close to Georgia's 1991: 8% 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 | Coweta County | Georgia |
|---|---|---|
| Housing units | 58,186 | 4,483,873 |
| Detached houses | 82% | 66% |
| In buildings of 5 or more | 9% | 16% |
| Mobile homes | 3% | 8% |
| Built before 1960 | 8% | 12% |
| Built since 2000 | 44% | 33% |
| Middle year built | 1998 | 1991 |
| Owner-occupied | 78% | 65% |
Census Bureau, American Community Survey, 2019 to 2023: estimates from a sample of homes, looser for a small place. Shares by Radon411.