County-level summary statistics for documented water wells in Minnesota, computed from the
official CWI well database: median drilled depth, static water level, tested yield,
and modeled drilling cost per county. See mn-water-well-county-statistics.csv.
Compiled and maintained by Minnesota Well Data — free per-address well lookups and full methodology at minnesotawelldata.com. Licensed CC-BY-4.0. Aggregate statistics only; individual well records are not included.