Ouachita Parish, LA Water Table Trend
Ouachita Parish, LA: what the water table is actually doing
Over 72 years of USGS readings, the well tracking Ouachita Parish's aquifer is rising, getting shallower over time: 0.6 ft per decade.
One well stands in for Ouachita Parish's whole aquifer here, the honest simplification every page on this site carries.
What the well actually measured
The most recent reading put water 9.2 ft below land surface. Readings span 1953-06-11 to 2025-04-16, 395 measurements from USGS well USGS-323136091592801 (Ou-151), part of the National Water Information System. The qualifying bar and the OLS fit behind this trend are documented in the methodology guide.
Where Ouachita Parish ranks
Of the 1,449 US counties with a usable trend, Ouachita Parish ranks 340th from fastest-rising to fastest-declining, 1 is the fastest-rising water table measured, 1449 the fastest-declining. About 157,874 people live in Ouachita Parish, Louisiana. See the fastest-moving counties guide for how Ouachita Parish stacks up against the most extreme cases nationally.
A dropping table says nothing about water quality
Whether Ouachita Parish'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.