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DNRC Headquarters
1539 Eleventh Ave. Helena, MT 59601
Phone: (406) 444-2074 | Fax: (406) 444-2684
Questions? Email us

Yellowstone River Basin


The Yellowstone River Basin is one of the four Montana Water Supply Initiative planning basins, and includes such major tributaries as the Bighorn, Tongue, and Powder rivers. Available below are documents relating to the Yellowstone River Basin through the two year MWSI process as well as other technical reports and documents that address water resource issues in the Yellowstone RIver Basin.

If you have  questions about water planning in the Yellowstone River Basin please contact at 444-4247.

View Detailed Basin Map

View the Report - Yellowstone River Basin Water Plan – 2014

Basin Water Plan Appendices
Appendix A - Yellowstone Basin Planning Methodology
Appendix B - Population and Income
Appendix C - Climate and Historical Drought
Appendix D - Yellowstone River Basin Streamflow
Appendix E - Yellowstone River Basin Water Quality
Appendix F - Methods for Estimating Water Use
Appendix G - Past Efforts to Estimate Future Demand
Appendix H - Potential Effects of Climate Change on Future Water Supplies and Demands

Yellowstone Basin Reports and Technical Information

Surface Water Information

Ground Water Information