Tioga County, NY Water Table Trend
Tioga County, NY: what the water table is actually doing
Over 23 years of USGS readings, the well tracking Tioga County's aquifer is holding roughly steady: 0 ft per decade.
This is one representative well, not a county-wide survey, the same grain limit every page here discloses.
Tioga County's source well, in detail
Depth to water at the last reading was 21.1 ft below land surface. Readings span 2003-12-31 to 2026-09-02, 119 measurements from USGS well USGS-421213076313301 (Local Number, Ti-891, Near Spencer Ny), part of the National Water Information System. The qualifying bar and the OLS fit behind this trend are documented in the methodology guide.
How Tioga County compares nationally
Tioga County sits at rank 691st of 1,449 ranked counties, ordered rising-to-declining, so a low number means a rising water table and a high one means fast decline. Tioga County, New York is home to about 47,574 people. See the fastest-moving counties guide for how Tioga County stacks up against the most extreme cases nationally.
Depth and quality are separate questions
This page answers a depth question, not a quality one. A well in Tioga County can be stable in depth and still worth testing for quality, or declining and still test clean, the two are measured separately, and only a direct test settles the second one.