Slaughter Flood Control Dam, located in McGregor, Iowa, is a crucial structure designed by the USDA NRCS to mitigate flood risks along the TR-Mississippi River.
Wind
Humidity
Completed in 1938, this earth dam stands at 41 feet tall and spans 257 feet, with a storage capacity of 26 acre-feet. Managed by the local government and regulated by the Iowa DNR, the dam plays a key role in protecting the surrounding area from potential flooding events.
Despite being classified as having a high hazard potential, the dam is currently assessed to be in fair condition, with the last inspection conducted in June 2019. Recognized as a vital component in flood risk reduction efforts, Slaughter Flood Control Dam serves as a critical line of defense for the residents of Clayton County, Iowa. With its uncontrolled spillway and rock-soil foundation, the dam continues to be monitored and maintained to ensure its effectiveness in safeguarding the community from the impacts of extreme weather events.
Enthusiasts of water resources and climate resilience will find Slaughter Flood Control Dam to be a fascinating example of engineering ingenuity and strategic infrastructure planning. As part of the St. Paul District's portfolio, this dam stands as a testament to the ongoing efforts to balance the needs of flood control with environmental conservation in the region. With its historical significance and ongoing maintenance efforts, the dam represents a beacon of hope for communities facing the unpredictable challenges of a changing climate.
Year Completed |
1938 |
Dam Length |
257 |
Dam Height |
41 |
River Or Stream |
TR-MISSISSIPPI RIVER |
Primary Dam Type |
Earth |
Drainage Area |
0.16 |
Nid Storage |
26 |
Hazard Potential |
High |
Foundations |
Rock, Soil |
Nid Height |
41 |
Mississippi River At Mcgregor
|
21700cfs |
Bloody Run Creek Near Marquette
|
11cfs |
Yellow River At Ion
|
23cfs |
Turkey River Above French Hollow Cr At Elkader
|
458cfs |
Turkey River At Garber
|
388cfs |
Kickapoo River At Steuben
|
392cfs |