Garrison Dam & Reservoir Fishing Report
Based on live releases/levels and local weather.
Live Garrison Dam & Reservoir fishing conditions near Mandan, ND: USACE release, reservoir level, and local weather. Use the latest CFS and level trends to time your trip and pick safe access.
Garrison Dam & Reservoir snapshot
Garrison Dam & Reservoir sits near Mandan, ND and is monitored by the U.S. Army Corps of Engineers NWDM district. Coordinates: 47.5050°, -101.4325°. Also known as Garrison Dam & Reservoir on Missouri River near Garrison, ND.
- Latest release
- 12,342 CFS
- Recorded 2026-06-19 07:00 UTC
- Latest lake level
- 1827.95 ft
- Recorded 2026-06-19 07:00 UTC
Very high release: dangerous near outlets and below the dam. Avoid swift water and follow posted warnings.
Source: U.S. Army Corps of Engineers CWMS public feeds. See the Garrison Dam & Reservoir water level & flow charts for 7‑day history.