York County, SC Water Table Trend
Is the water table dropping in York County, SC?
Over 16 years of USGS readings, the well tracking York County's aquifer is rising, getting shallower over time: 1.9 ft per decade.
This is one representative well, not a county-wide survey, the same grain limit every page here discloses.
York County's source well, in detail
Depth to water at the last reading was 23.9 ft below land surface. Readings span 2010-07-13 to 2026-10-05, 98 measurements from USGS well USGS-345830081033101 (Yrk-3296 York County Airport Regolith), part of the National Water Information System. The qualifying bar and the OLS fit behind this trend are documented in the methodology guide.
How York County compares nationally
York County sits at rank 137th 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. York County, South Carolina is home to about 303,001 people. See the fastest-moving counties guide for how York 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 York 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.