Duplin County, NC Water Table Trend
Duplin County's groundwater trend, from USGS's own readings
Over 40 years of USGS readings, the well tracking Duplin County's aquifer is holding roughly steady: 0.1 ft per decade.
This is one representative well, not a county-wide survey, the same grain limit every page here discloses.
Duplin County's source well, in detail
Depth to water at the last reading was 9.7 ft below land surface. Readings span 1980-01-24 to 2019-08-20, 45 measurements from USGS well USGS-344922077484705 (Du-128 Chinquapin Rs W29d5 Castle Hayne), part of the National Water Information System. The qualifying bar and the OLS fit behind this trend are documented in the methodology guide.
How Duplin County compares nationally
Duplin County sits at rank 755th 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. Duplin County, North Carolina is home to about 50,539 people. See the fastest-moving counties guide for how Duplin 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 Duplin 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.