Harlan County, NE Water Table Trend
Is the water table dropping in Harlan County, NE?
Harlan County's representative monitoring well shows depth to water rising, getting shallower over time, a fitted trend of 1.3 ft per decade over 73 years of readings.
This is one representative well, not a county-wide survey, the same grain limit every page here discloses.
Harlan County's source well, in detail
Depth to water at the last reading was 184.7 ft below land surface. Readings span 1952-08-01 to 2025-03-26, 11 measurements from USGS well USGS-402054099164601 (4n 17w 6ab 1), part of the National Water Information System. The qualifying bar and the OLS fit behind this trend are documented in the methodology guide.
How Harlan County compares nationally
Harlan County sits at rank 203rd 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. Harlan County, Nebraska is home to about 3,018 people. See the fastest-moving counties guide for how Harlan 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 Harlan 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.