Louisa County, VA Water Table Trend
Is the water table dropping in Louisa County, VA?
Louisa County's long-term well puts the trend at 0 ft per decade, holding roughly steady, based on 624 measurements since 1972.
One well stands in for Louisa 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 33.8 ft below land surface. Readings span 1972-02-29 to 2026-07-29, 624 measurements from USGS well USGS-380131078001001 (46n 1 Sow 056), part of the National Water Information System. The qualifying bar and the OLS fit behind this trend are documented in the methodology guide.
Where Louisa County ranks
Of the 1,449 US counties with a usable trend, Louisa County ranks 643rd from fastest-rising to fastest-declining, 1 is the fastest-rising water table measured, 1449 the fastest-declining. About 42,109 people live in Louisa County, Virginia. See the fastest-moving counties guide for how Louisa County stacks up against the most extreme cases nationally.
A dropping table says nothing about water quality
Whether Louisa 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.