Dakota County, MN Water Table Trend
Dakota County, MN: what the water table is actually doing
Over 45 years of USGS readings, the well tracking Dakota County's aquifer is rising, getting shallower over time: 7.6 ft per decade.
This is one representative well, not a county-wide survey, the same grain limit every page here discloses.
Dakota County's source well, in detail
Depth to water at the last reading was 0 ft below land surface. Readings span 1977-10-07 to 2022-09-28, 7 measurements from USGS well USGS-443042092570401 (Pdcj-U09 112n18w14badcab01 0000145903), part of the National Water Information System. The qualifying bar and the OLS fit behind this trend are documented in the methodology guide.
How Dakota County compares nationally
Dakota County sits at rank 39th 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. Dakota County, Minnesota is home to about 453,156 people. See the fastest-moving counties guide for how Dakota 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 Dakota 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.