Get the latest Reservoir Report, Water Levels, and Weather Forecast for Rathbun Lake Near Rathbun in Rathbun Lake is a reservoir located in southern Iowa near the town of Rathbun. Updated daily.
Wind
Humidity
The lake was created in the 1960s as part of a flood control project by the U.S. Army Corps of Engineers. The hydrology of the lake is primarily fed by the Chariton River and other small streams, with the lake serving as a major source of water for the area. The lake is also surrounded by agricultural land, with corn and soybeans being the primary crops grown. Recreational activities are popular at the lake, including fishing, boating, and camping. The lake is known for its walleye and crappie fishing, with several boat ramps and fishing piers available for use. Snowpack and surface flow providers to the lake vary depending on the season and weather conditions.
| Gage Height, Ft 24hr Change | 0.0% |
| Percent of Normal | 100% |
| Minimum |
902.22 ft
2010-12-17 |
| Maximum |
941.52 ft
2025-10-08 |
| Average | 906 ft |
| Hydraulic_Height | 92 |
| Drainage_Area | 549 |
| Year_Completed | 1972 |
| Nid_Storage | 552000 |
| Structural_Height | 100 |
| River_Or_Stream | CHARITON RIVER |
| Surface_Area | 11013 |
| Hazard_Potential | High |
| Dam_Length | 10120 |
| Primary_Dam_Type | Earth |
| Nid_Height | 100 |