Ottawa County, OK Water Table Trend
Is the water table dropping in Ottawa County, OK?
Ottawa County's long-term well puts the trend at 0.2 ft per decade, holding roughly steady, based on 136 measurements since 2002.
One well stands in for Ottawa 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 33.2 ft below land surface. Readings span 2002-09-25 to 2026-10-14, 136 measurements from USGS well USGS-365942094504203 (29n-23e-17 Bca 1 (Slim Jim Well)), part of the National Water Information System. The qualifying bar and the OLS fit behind this trend are documented in the methodology guide.
Where Ottawa County ranks
Of the 1,449 US counties with a usable trend, Ottawa County ranks 484th from fastest-rising to fastest-declining, 1 is the fastest-rising water table measured, 1449 the fastest-declining. About 30,404 people live in Ottawa County, Oklahoma. See the fastest-moving counties guide for how Ottawa County stacks up against the most extreme cases nationally.
A dropping table says nothing about water quality
Whether Ottawa 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.