Cavalier County, ND Water Table Trend
Cavalier County, ND: what the water table is actually doing
Cavalier County's representative monitoring well shows depth to water holding roughly steady, a fitted trend of 0.5 ft per decade over 52 years of readings.
This is one representative well, not a county-wide survey, the same grain limit every page here discloses.
Cavalier County's source well, in detail
Depth to water at the last reading was 8.8 ft below land surface. Readings span 1969-11-12 to 2021-07-14, 359 measurements from USGS well USGS-484534098254401 (161-060-21bbb), part of the National Water Information System. The qualifying bar and the OLS fit behind this trend are documented in the methodology guide.
How Cavalier County compares nationally
Cavalier County sits at rank 368th 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. Cavalier County, North Dakota is home to about 3,567 people. See the fastest-moving counties guide for how Cavalier 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 Cavalier 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.