HUC
Huc commonly refers to the Hydrologic Unit Code (HUC), a standardized coding system used by the United States Geological Survey to identify watersheds and drainage basins in the United States and its territories. The system is hierarchical, with shorter codes representing broader geographic regions and longer codes denoting finer subdivisions of drainage areas.
HUCs are issued at multiple levels, typically including two-digit regional codes, four-digit subregions, six-digit basins, and
In practice, HUCs support a range of activities, including water-resource planning, environmental monitoring, watershed management, and
Although the Hydrologic Unit Code is most closely associated with U.S. hydrology, the general concept of hierarchical