Jasper County, MO Water Table Trend
Jasper County's groundwater trend, from USGS's own readings
Jasper County's representative monitoring well shows depth to water rising, getting shallower over time, a fitted trend of 1.5 ft per decade over 86 years of readings.
This is one representative well, not a county-wide survey, the same grain limit every page here discloses.
Jasper County's source well, in detail
Depth to water at the last reading was 16.9 ft below land surface. Readings span 1941-01-25 to 2026-08-12, 182 measurements from USGS well MO005-370600094223501 (Atlas Powder), part of the National Water Information System. The qualifying bar and the OLS fit behind this trend are documented in the methodology guide.
How Jasper County compares nationally
Jasper County sits at rank 170th 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. Jasper County, Missouri is home to about 126,479 people. See the fastest-moving counties guide for how Jasper 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 Jasper 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.