Sub-basin definition

Sub-basin means the area of land from which all surface run-off flows through a series of streams, rivers and, possibly, lakes to a particular point in a water course (normally a lake or a river confluence).
Sub-basin means a 4th-field hydrologic unit as defined by the U.S. Geological Survey.
Sub-basin means a hydrologic unit or hydrologic sub-unit of a river basin within the State;

More Definitions of Sub-basin

Sub-basin means the area of land from which all surface runoff flows through a sequence of streams, rivers and possibly lakes to a particular point in a river, normally a lake or a river confluence.1
Sub-basin means part of a basin;
Sub-basin means the subdivision of sewer basins as established in the 1986
Sub-basin means the subdivision of sewer basins as established in the East Bay I/I
Sub-basin means one of the 20 watershed areas delineated by the Department and comprising, in sum total, the surface waters of the State.
Sub-basin means an area of land from which all surface run-off water flows through a series of streams, rivers, other watercourses and, as the case may be, lochs to a particular point in a watercourse or loch,
Sub-basin means a geographic area that: