a drainage system whose waters do not continue to the ocean either on the surface or underground, but evaporate within the land area.
Pumping stations are necessary when ponding capacity is not large enough to store all interior drainage.
These deserts are in interior drainage basins far from oceans and have a wide range of annual temperatures.
Salt flats and playas without soils are extensive in the lower parts of basins with interior drainage.
Periodic flooding still occurs as a result of poor interior drainage and poorly maintained drainage channels.
Some farmers are concerned about interior drainage problems caused by higher river flows in the areas protected by levees.
As stated above, during the design it was determined that additional area is required for ponding interior drainage run-off.
Operations plan and criteria, which address operation of closures and interior drainage systems during a flood event.