Washington Parish, LA Water Table Trend
Is the water table dropping in Washington Parish, LA?
Washington Parish's representative monitoring well shows depth to water declining at a typical pace for a declining county, a fitted trend of 2.1 ft per decade over 76 years of readings.
One well stands in for Washington Parish's whole aquifer here, the honest simplification every page on this site carries.
What the well actually measured
This well is artesian, water currently stands 10.3 ft above land surface (flowing/artesian), not drawn up from a depth. Readings span 1950-04-18 to 2026-08-04, 373 measurements from USGS well USGS-304107089523401 (Wa-43), part of the National Water Information System. The qualifying bar and the OLS fit behind this trend are documented in the methodology guide.
Where Washington Parish ranks
Of the 1,449 US counties with a usable trend, Washington Parish ranks 1191st from fastest-rising to fastest-declining, 1 is the fastest-rising water table measured, 1449 the fastest-declining. About 45,090 people live in Washington Parish, Louisiana. See the fastest-moving counties guide for how Washington Parish stacks up against the most extreme cases nationally.
What a declining table means for a well pump
Because Washington Parish's water table is actually declining, not just a general worry, a well owner here should consider comparing home-warranty plans that cover well-pump failure before one happens.
A dropping table says nothing about water quality
Whether Washington 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.