Storden 2 is a rockfill dam located in Cottonwood County, Minnesota. It carries a Low hazard potential classification and has a poor condition assessment.
Dam profile
NID height · 25 ft25 ft tall and 560 ft long, taller than 50% of U.S. dams with a recorded height. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic rockfill embankment section and the water level is illustrative.
About Storden 2
The primary purpose of Storden 2 is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Township of Storden (local government). It impounds the Dry Creek near Sanborn.
The dam stands 25 feet tall and stretches 560 feet across, has a maximum storage capacity of 81 acre-feet, and collects water from a drainage area of 2 square miles.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. Its condition is rated poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 05/02/2018.
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Location
| State | Minnesota |
| County | Cottonwood |
| Nearest City | Sanborn |
| River/Stream | Dry Creek |
| Coordinates | 44.10843, -95.24349 |
Physical Characteristics
| Dam Type | Rockfill |
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Dam Length | 560 ft |
Storage & Hydraulics
| NID Storage | 81 acre-ft |
| Max Storage | 81 acre-ft |
| Drainage Area | 2 sq mi |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Township of Storden |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 05/02/2018 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MN01792 |
| Federal ID | MN01792 |
| More Info | State Dam Safety Program |