Otter Creek 12, also known as Norwegian Hollow, is a local government-owned earth dam located in Iowa County, Wisconsin.
Wind
Humidity
Built in 1972 by the USDA NRCS, this dam serves the primary purpose of flood risk reduction along Flint Creek. Standing at a height of 58.4 feet with a length of 750 feet, Otter Creek 12 has a storage capacity of 5000 acre-feet and a maximum discharge of 340 cubic feet per second.
With a hazard potential rated as high and a condition assessment deemed fair, Otter Creek 12 is regulated by the Wisconsin Department of Natural Resources and undergoes regular inspections. The dam's spillway, which is uncontrolled and 87 feet wide, plays a crucial role in managing water flow during periods of high discharge. Despite its moderate risk level, the dam has not experienced any significant modifications or incidents, demonstrating its resilience in mitigating flood risks in the region.
For water resource and climate enthusiasts, Otter Creek 12 serves as a notable example of a well-designed and maintained flood control structure in Wisconsin. Its presence along Flint Creek not only helps protect nearby communities from flooding but also highlights the importance of effective dam management in ensuring water resource sustainability and climate resilience in the region.
Year Completed |
1972 |
Dam Length |
750 |
Dam Height |
58.4 |
River Or Stream |
FLINT CREEK |
Primary Dam Type |
Earth |
Hydraulic Height |
2.8 |
Drainage Area |
13.9 |
Nid Storage |
5000 |
Structural Height |
58.4 |
Hazard Potential |
High |
Nid Height |
58 |