Cass County, NE Water Table Trend
Cass County, NE: what the water table is actually doing
Over 68 years of USGS readings, the well tracking Cass County's aquifer is holding roughly steady: 0.2 ft per decade.
This is one representative well, not a county-wide survey, the same grain limit every page here discloses.
Cass County's source well, in detail
Depth to water at the last reading was 12.5 ft below land surface. Readings span 1956-12-15 to 2025-04-10, 56 measurements from USGS well USGS-425100095510401 (10n 14e16bbba1), part of the National Water Information System. The qualifying bar and the OLS fit behind this trend are documented in the methodology guide.
How Cass County compares nationally
Cass County sits at rank 827th 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. Cass County, Nebraska is home to about 27,492 people. See the fastest-moving counties guide for how Cass 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 Cass 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.