Greene County, NY Water Table Trend
Greene County, NY: what the water table is actually doing
Greene County's long-term well puts the trend at 1.9 ft per decade, rising, getting shallower over time, based on 171 measurements since 1991.
This is one representative well, not a county-wide survey, the same grain limit every page here discloses.
Greene County's source well, in detail
Depth to water at the last reading was 20.9 ft below land surface. Readings span 1991-03-05 to 2024-08-01, 171 measurements from USGS well USGS-421903074152301 (Local Number, G-644, Windham 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 Greene County compares nationally
Greene County sits at rank 134th 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. Greene County, New York is home to about 46,903 people. See the fastest-moving counties guide for how Greene 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 Greene 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.