Twiggs County, Georgia
A shallow water table limits basements on 26% of Twiggs County's mapped land. Shrink-swell clay limits houses without basements on 6%.
40.9% of the county is in drought on the October 13, 2026 Drought Monitor map. FEMA's flood data list no flood losses here since 2016. 42% of homes were built before 1980, against 50% nationally; the median home dates from 1984.
Data as of October 13, 2026 · sources
expansive clay: shrink-swell limits slab homes
high water table: limits basements
in drought, October 13, 2026
of homes built before 1980
Soil under Twiggs County
| Expansive clay (limits slab homes) | 5.8% |
| High water table (limits basements) | 25.9% |
| Septic fields very limited | 70.3% |
| Clay swell (LEP, by area) | 2.0% |
| High-swell land (LEP 6%+) | 5.8% |
| Mapped soil | 212,480 acres |
| Soil series | Share here | Series nationally: high water table |
|---|---|---|
| Orangeburg | 30% | 0% |
| Eustis | 7% | n/a |
| Chewacla | 6% | n/a |
| Greenville | 6% | n/a |
| Susquehanna | 5% | n/a |
| Tifton | 4% | 29% |
How we count · survey areas GA289 (2025-08-28)
What the numbers mean here
On 26% of Twiggs County's mapped land, soil stays saturated within about 6 feet of the surface for part of the year, which is basement depth.
Rain over the 12 months to August 2026: 35.52 in, 12.22 in below the 1991-2020 average year of 47.74 in.
USDA rates 70% of the land very limited for septic absorption fields.
Drought
40.9% of the county is in drought (D1 or worse) on the October 13, 2026 map. Part of the county was in drought in 38 of the last 52 weeks; the most was 100% of its area, in 32 weeks, most recently on the May 26, 2026 map.
| Category, October 13, 2026 | Share of county |
|---|---|
| D0 abnormally dry or worse | 100% |
| D1 moderate drought or worse | 40.9% |
| D2 severe or worse | 0% |
| D3 extreme or worse | 0% |
| D4 exceptional | 0% |
Flood losses since 2016
FEMA's flood data list no flood losses in Twiggs County since 2016.
Rain
| Average year, 1991-2020 | 47.74 in |
| 12 months to August 2026 | 35.52 in (-12.22) |
| 2025 | 44.61 in (-3.13) |
| Wettest year since 1895 | 1929: 69.05 in |
| Driest year since 1895 | 1954: 26.37 in |
| Days with 1 inch or more, normal at MACON MIDDLE GA RGNL AP (13 mi away) | 14 |
Homes
| Housing units | 4,055 |
| Median year built | 1984 |
| Built before 1980 | 42% |
| Built 2000 or later | 19% |
| Owner-occupied | 88% |
| Median value, owner-occupied | $111,300 |
| Single-family detached | 58% |
What repairs cost
Published ranges from cost guides, not quotes. More sources, and where they disagree.
Nearby counties
| Place | Distance | Expansive clay | High water table |
|---|---|---|---|
| Bleckley County, GA | 17 mi | 1% | 50% |
| Wilkinson County, GA | 17 mi | 3% | 29% |
| Bibb County, GA | 18 mi | 6% | 22% |
| Houston County, GA | 20 mi | 6% | 20% |
| Peach County, GA | 24 mi | under 1% | 17% |
| Jones County, GA | 26 mi | 3% | 10% |
| Baldwin County, GA | 29 mi | 6% | 15% |
| Pulaski County, GA | 30 mi | 4% | 50% |
Sources: USDA SSURGO (August 28, 2025) · US Drought Monitor (October 13, 2026) · FEMA NFIP v3 (September 9, 2026) · NOAA (August 2026) · Census ACS 2020-2024. Methods · Data status