Dorchester County, SC Water Table Trend
Dorchester County, SC: what the water table is actually doing
Over 27 years of USGS readings, the well tracking Dorchester County's aquifer is holding roughly steady: 0.3 ft per decade.
This is one representative well, not a county-wide survey, the same grain limit every page here discloses.
Dorchester County's source well, in detail
Depth to water at the last reading was 7.3 ft below land surface. Readings span 1997-07-30 to 2024-09-19, 14 measurements from USGS well USGS-330656080365201 (Dor- 325), part of the National Water Information System. The qualifying bar and the OLS fit behind this trend are documented in the methodology guide.
How Dorchester County compares nationally
Dorchester County sits at rank 436th 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. Dorchester County, South Carolina is home to about 174,663 people. See the fastest-moving counties guide for how Dorchester 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 Dorchester 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.