Adams County, NE Water Table Trend
Adams County's groundwater trend, from USGS's own readings
Adams County's long-term well puts the trend at 2.8 ft per decade, declining at a typical pace for a declining county, based on 3187 measurements since 1934.
This is one representative well, not a county-wide survey, the same grain limit every page here discloses.
Adams County's source well, in detail
Depth to water at the last reading was 122 ft below land surface. Readings span 1934-08-03 to 2025-04-10, 3187 measurements from USGS well USGS-403403098244001 (7n 10w23ab 1 Hasting), part of the National Water Information System. The qualifying bar and the OLS fit behind this trend are documented in the methodology guide.
How Adams County compares nationally
Adams County sits at rank 1238th 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. Adams County, Nebraska is home to about 31,196 people. See the fastest-moving counties guide for how Adams County stacks up against the most extreme cases nationally.
If you own a well in Adams County
A dropping water table means a residential pump has to reach deeper and work harder, which shortens its life. In Adams County, that trend is real, not assumed: 2.8 ft per decade over 91 years.
Depth and quality are separate questions
This page answers a depth question, not a quality one. A well in Adams 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.