Lincoln County, TN Water Table Trend
Lincoln County's groundwater trend, from USGS's own readings
Lincoln County's long-term well puts the trend at 4.3 ft per decade, rising, getting shallower over time, based on 113 measurements since 1973.
This is one representative well, not a county-wide survey, the same grain limit every page here discloses.
Lincoln County's source well, in detail
Depth to water at the last reading was 13.2 ft below land surface. Readings span 1973-10-23 to 2026-10-05, 113 measurements from USGS well USGS-350034086422800 (Li:G-001), part of the National Water Information System. The qualifying bar and the OLS fit behind this trend are documented in the methodology guide.
How Lincoln County compares nationally
Lincoln County sits at rank 66th 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. Lincoln County, Tennessee is home to about 36,751 people. See the fastest-moving counties guide for how Lincoln County stacks up against the most extreme cases nationally.
Depth and quality are separate questions
This page answers a depth question, not a quality one. A well in Lincoln 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.