The Upper Missouri River Basin is one of the four Montana Water Supply Initiative planning basins, covering an area from the headwaters in the Centennial Mountains downstream to the town of Loma. Available below are documents relating to the Upper Missouri River Basin through the two year MWSI process as well as other technical reports that address a variety of water resource issues related to the Upper Missouri RIver Basin.
For more information regarding watershed planning in the Upper Missouri RIver Basin please contact Ann Schwend at (406) 444-1806

View Detailed Basin Map
View the Report – Upper Missouri River Basin Water Plan - 2014
Basin Water Plan Appendices
Appendix B-E - Water Reservations Granted to the Bureau of Land Management, Water Reservations Granted to the Dept. Of Environmental Quality, Summary of Upper Missouri Conservation District Water Reservations and Summary of Municipal Water Reservations
Appendix F - Socioeconomic Portrait of the Upper Missouri
Upper Missouri Basin Reports and Technical Information
Surface Water Reports
Ground Water Reports