Bingham County, ID Water Table Trend
Bingham County's groundwater trend, from USGS's own readings
Bingham County's long-term well puts the trend at 21.3 ft per decade, rising, getting shallower over time, based on 459 measurements since 1922.
This is one representative well, not a county-wide survey, the same grain limit every page here discloses.
Bingham County's source well, in detail
Depth to water at the last reading was 562.1 ft below land surface. Readings span 1922-07-28 to 2026-03-09, 459 measurements from USGS well USGS-432618112555501 (01n 30e 10bba1 Cerro Grande), part of the National Water Information System. The qualifying bar and the OLS fit behind this trend are documented in the methodology guide.
How Bingham County compares nationally
Bingham County sits at rank 8th 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. Bingham County, Idaho is home to about 50,889 people. See the fastest-moving counties guide for how Bingham 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 Bingham 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.