Forest County, WI Water Table Trend
Is the water table dropping in Forest County, WI?
Forest County's long-term well puts the trend at 0.4 ft per decade, holding roughly steady, based on 91 measurements since 1978.
This is one representative well, not a county-wide survey, the same grain limit every page here discloses.
Forest County's source well, in detail
Depth to water at the last reading was 76.7 ft below land surface. Readings span 1978-09-22 to 2026-10-20, 91 measurements from USGS well USGS-455620088593901 (Fr-40/12e/21-0087), part of the National Water Information System. The qualifying bar and the OLS fit behind this trend are documented in the methodology guide.
How Forest County compares nationally
Forest County sits at rank 403rd 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. Forest County, Wisconsin is home to about 9,506 people. See the fastest-moving counties guide for how Forest 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 Forest 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.