Garrison Diversion Unit Import to Sheyenne River Alternative

Advantages Disadvantages
  • Uses the Missouri River system, which is the largest and most reliable source of water in North Dakota.
  • Has pipeline capacity to serve communities and rural water systems in northeastern North Dakota.
  • Does not use limited groundwater resources of southeastern North Dakota or technically challenging ASR features.
  • Lowest cost of the Missouri River import alternatives.
  • Augments flows in the Sheyenne and Red Rivers.
  • Stabilizes pool elevations in Lake Ashtabula during non-drought years and maintains the Fish and Wildlife Conservation Pool.
  • Beneficially affects North Dakota aquifers; groundwater is available to meet other water demands.
  • Beneficially affects the Buffalo Aquifer in Minnesota by providing water to Moorhead.
  • Meets all of the North Dakota Game and Fish Department recommended aquatic flow targets on the Sheyenne River 100% of the time during a 1930s-type drought and 40% of the time on the Red River below Fargo.
  • Benefits fish and mussels in the Red and Sheyenne Rivers with augmented flows.
  • Provides beneficial effects to riparian areas from augmented flows in the Sheyenne and Red Rivers.
  • Does not deliver treated water directly to Grand Forks to address their water quality concerns
  • Use of Missouri River water requires congressional authorization.
  • Biota water treatment plant is required.
  • Has the highest annual diversion from the Missouri River during a 1930s-type drought.
  • May adversely affect historic properties.
Source: Red River Valley Supply Project FEIS

Manitoba Wildlands2002-2014