Lafayette County, WI Water Table Trend
Lafayette County, WI: what the water table is actually doing
Lafayette County's long-term well puts the trend at 15.7 ft per decade, rising, getting shallower over time, based on 257 measurements since 1952.
This is one representative well, not a county-wide survey, the same grain limit every page here discloses.
Lafayette County's source well, in detail
Depth to water at the last reading was 23.9 ft below land surface. Readings span 1952-04-25 to 2026-09-14, 257 measurements from USGS well USGS-423114090161101 (Lf-01/02e/33-0057), part of the National Water Information System. The qualifying bar and the OLS fit behind this trend are documented in the methodology guide.
How Lafayette County compares nationally
Lafayette County sits at rank 13th 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. Lafayette County, Wisconsin is home to about 17,306 people. See the fastest-moving counties guide for how Lafayette 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 Lafayette 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.