Carroll County, MS Water Table Trend
Carroll County's groundwater trend, from USGS's own readings
Carroll County's representative monitoring well shows depth to water holding roughly steady, a fitted trend of 0.1 ft per decade over 47 years of readings.
This is one representative well, not a county-wide survey, the same grain limit every page here discloses.
Carroll County's source well, in detail
Depth to water at the last reading was 4.9 ft below land surface. Readings span 1979-03-01 to 2026-03-25, 162 measurements from USGS well USGS-332342090082201 (015g0057 Carroll), part of the National Water Information System. The qualifying bar and the OLS fit behind this trend are documented in the methodology guide.
How Carroll County compares nationally
Carroll County sits at rank 778th 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. Carroll County, Mississippi is home to about 9,378 people. See the fastest-moving counties guide for how Carroll 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 Carroll 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.