Ashland County, WI Water Table Trend
Ashland County, WI: what the water table is actually doing
Ashland County's long-term well puts the trend at 0.3 ft per decade, holding roughly steady, based on 64 measurements since 2011.
This is one representative well, not a county-wide survey, the same grain limit every page here discloses.
Ashland County's source well, in detail
Depth to water at the last reading was 30.2 ft below land surface. Readings span 2011-01-10 to 2026-09-08, 64 measurements from USGS well USGS-463635090481101 (As-48/04w/25-0380), part of the National Water Information System. The qualifying bar and the OLS fit behind this trend are documented in the methodology guide.
How Ashland County compares nationally
Ashland County sits at rank 455th 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. Ashland County, Wisconsin is home to about 16,196 people. See the fastest-moving counties guide for how Ashland 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 Ashland 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.