St. Landry Parish, LA Water Table Trend
Is the water table dropping in St. Landry Parish, LA?
Over 69 years of USGS readings, the well tracking St. Landry Parish's aquifer is declining at a typical pace for a declining county: 2.5 ft per decade.
One well stands in for St. Landry 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 66.4 ft below land surface. Readings span 1957-12-26 to 2026-09-10, 252 measurements from USGS well USGS-304116092083601 (Sl-179), part of the National Water Information System. The qualifying bar and the OLS fit behind this trend are documented in the methodology guide.
Where St. Landry Parish ranks
Of the 1,449 US counties with a usable trend, St. Landry Parish ranks 1223rd from fastest-rising to fastest-declining, 1 is the fastest-rising water table measured, 1449 the fastest-declining. About 80,869 people live in St. Landry Parish, Louisiana. See the fastest-moving counties guide for how St. Landry Parish stacks up against the most extreme cases nationally.
What a declining table means for a well pump
Because St. Landry 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 St. Landry 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.