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