Pinellas County, FL Water Table Trend
Is the water table dropping in Pinellas County, FL?
Pinellas County's representative monitoring well shows depth to water holding roughly steady, a fitted trend of 0.1 ft per decade over 60 years of readings.
One well stands in for Pinellas 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 25.3 ft below land surface. Readings span 1966-01-01 to 2025-11-26, 413 measurements from USGS well USGS-275815082440401 (Pinellas Well 665 Near Clearwater Fl), part of the National Water Information System. The qualifying bar and the OLS fit behind this trend are documented in the methodology guide.
Where Pinellas County ranks
Of the 1,449 US counties with a usable trend, Pinellas County ranks 694th from fastest-rising to fastest-declining, 1 is the fastest-rising water table measured, 1449 the fastest-declining. About 965,870 people live in Pinellas County, Florida. See the fastest-moving counties guide for how Pinellas County stacks up against the most extreme cases nationally.
A dropping table says nothing about water quality
Whether Pinellas 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.