Cayuga County, NY Water Table Trend
Cayuga County's groundwater trend, from USGS's own readings
Cayuga County's representative monitoring well shows depth to water declining, slower than most declining counties, a fitted trend of 0.5 ft per decade over 61 years of readings.
This is one representative well, not a county-wide survey, the same grain limit every page here discloses.
Cayuga County's source well, in detail
Depth to water at the last reading was 20.3 ft below land surface. Readings span 1965-11-30 to 2026-08-12, 1207 measurements from USGS well USGS-424158076251901 (Local Number, Cy-7, Near Moravia 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 Cayuga County compares nationally
Cayuga County sits at rank 959th 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. Cayuga County, New York is home to about 74,567 people. See the fastest-moving counties guide for how Cayuga County stacks up against the most extreme cases nationally.
If you own a well in Cayuga County
A dropping water table means a residential pump has to reach deeper and work harder, which shortens its life. In Cayuga County, that trend is real, not assumed: 0.5 ft per decade over 61 years.
Depth and quality are separate questions
This page answers a depth question, not a quality one. A well in Cayuga 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.