| Flood Impacts |
| 1460.0 | Top of Dike. During the recession of the last Ice Age, glacial Lake Minnewaukan spilled into Sheyenne river via Stoney Lake-Long Lake, Twin Lake, and Tolna Coulee channels. |
| 1459.0 | Devils Lake/Stump Lake spills into Sheyenne River throuugh Tolna Coulee. DL/SL at 450 sq mi. |
| 1457.0 | OLD Top of Dike. |
| 1454.0 | Current dike protection level (2006). Devils Lake at 227 sq mi. 600 cfs flow into Stump Lake. |
| 1449.2 | Recent Record Lake Level (09 My 2006)
Drainage problems for Minnewaukan, Ramsey CO Hwy 2 affected. |
| 1449.1 | Second highest lake level (12 May 2004) due to locally heavy rains. |
| 1449.0 | Devils Lake at 213 sq mi; 300 cfs flow into Stump Lake. |
| 1448.9 | 2005 High Water Lake level (03 Aug; USGS). |
| 1448.3 | Wind Affected Instantaneous Peak (21 Jul 01) |
| 1448.0 | 2001 High Water; daily value (22 Jul & 09 Aug). |
| 1447.5 | 2003 High Water Elevation on 19 May 03. |
| 1447.2 | Devils Lake at 195 sq mi (Jul 1999). |
| 1447.1 | Devils Lake spills into Stump Lake in Aug 1999 (previous overflow in the 1920s). |
| 1447.0 | 25 cfs flow into Stump Lake (Devils Lake at 191 sq mi). |
| 1438.4 | Devils Lake at 140 Sq Mi - first recorded lake level (1867). |
| 1422.4 | Devils Lake at 68 sq mi (Oct 1992). |
| 1400.9 | Devils Lake at 10 sq mi area (Oct 1940). |
