• The Republcian River Basin including all subbasins.
• The North Platte River Basin including all subbasins.
• The South Platte River Basin including all subbasins.
• The Platte River Basin above the mouth of the Loup River including all subbasins.
• The White River Basin including all subbasins.
• The Hat Creek Basin including all subbasins.

A Formal Moratorium on the Niobrara River from the Nebraska-Wyoming state line downstream to the headgate of the Mirage Flats Canal was declared on November 30, 1990.

Order Declaring Formal Moratoriums (July 14, 2004)