-
OSE Declared Groundwater Basins
The Office of the State Engineer Declared Groundwater Basin map layer closely follow the legal desciptions. However, these boundaries are approximations. For a more accurate... -
USGS Surface Water Sub Basins
This represents groundwater sub basins. Data was taken from the Watershed Boundary Dataset as provided by the USGS. The Watershed Boundary Dataset (WBD) - is a nationally...