Allendale County, SC Water Table Trend
Is the water table dropping in Allendale County, SC?
Over 27 years of USGS readings, the well tracking Allendale County's aquifer is holding roughly steady: 0.2 ft per decade.
One well stands in for Allendale County's whole aquifer here, the honest simplification every page on this site carries.
What the well actually measured
The most recent reading put water 7.1 ft below land surface. Readings span 1997-07-10 to 2024-09-18, 12 measurements from USGS well USGS-330422081130601 (Al- 384), part of the National Water Information System. The qualifying bar and the OLS fit behind this trend are documented in the methodology guide.
Where Allendale County ranks
Of the 1,449 US counties with a usable trend, Allendale County ranks 798th from fastest-rising to fastest-declining, 1 is the fastest-rising water table measured, 1449 the fastest-declining. About 7,551 people live in Allendale County, South Carolina. See the fastest-moving counties guide for how Allendale County stacks up against the most extreme cases nationally.
A dropping table says nothing about water quality
Whether Allendale County's water table is rising or falling is independent of what's actually in the water. Depletion can concentrate naturally-occurring minerals, so it's worth checking directly with a water test rather than assuming a depth trend says anything about quality.