Twiggs County, GA Water Table Trend
Twiggs County's groundwater trend, from USGS's own readings
Twiggs County's long-term well puts the trend at 1.3 ft per decade, declining at a typical pace for a declining county, based on 451 measurements since 1975.
This is one representative well, not a county-wide survey, the same grain limit every page here discloses.
Twiggs County's source well, in detail
Depth to water at the last reading was 171.6 ft below land surface. Readings span 1975-07-28 to 2026-09-01, 451 measurements from USGS well USGS-323302083263401 (18u001), part of the National Water Information System. The qualifying bar and the OLS fit behind this trend are documented in the methodology guide.
How Twiggs County compares nationally
Twiggs County sits at rank 1123rd of 1,449 ranked counties, ordered rising-to-declining, so a low number means a rising water table and a high one means fast decline. Twiggs County, Georgia is home to about 7,728 people. See the fastest-moving counties guide for how Twiggs County stacks up against the most extreme cases nationally.
If you own a well in Twiggs County
A dropping water table means a residential pump has to reach deeper and work harder, which shortens its life. In Twiggs County, that trend is real, not assumed: 1.3 ft per decade over 51 years.
Depth and quality are separate questions
This page answers a depth question, not a quality one. A well in Twiggs County can be stable in depth and still worth testing for quality, or declining and still test clean, the two are measured separately, and only a direct test settles the second one.