Mississippi River LD21 Fishing Report
Based on live releases/levels and local weather.
Plan Mississippi River LD21 (IL) trips with real-time outflow, lake elevation, and weather pulled from public USACE sensors near Quincy. See species notes and where-to-fish access points.
Mississippi River LD21 snapshot
Mississippi River at Lock and Dam 21 (Quincy,IL) Mississippi River LD21 sits near Quincy, IL and is monitored by the U.S. Army Corps of Engineers MVR district. Coordinates: 39.9022°, -91.4303°. Also known as MI21.
- Latest release
- 162,740 CFS
- Recorded 2026-06-19 03:00 UTC
- Latest lake level
- 14.16 ft
- Recorded 2026-06-19 03:00 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 Mississippi River LD21 water level & flow charts for 7‑day history.