East Willow Creek D-2
East Willow Creek D-2 is an earth dam located in Fillmore County, Minnesota, built in 1957. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About East Willow Creek D-2
The primary purpose of East Willow Creek D-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 Swcd Of Fillmore County (local government). It impounds the Willow Creek near Preston.
The dam stands 32 feet tall and stretches 900 feet across, creates a reservoir covering 2 acres, has a maximum storage capacity of 398 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1957, the structure is well into its service life at over 50 years old.
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 satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 05/10/2017.
At 32 feet, this dam is taller than 76% of dams nationwide.
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Location
| State | Minnesota |
| County | Fillmore |
| Nearest City | Preston |
| River/Stream | Willow Creek |
| Coordinates | 43.56495, -92.12950 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 32 ft |
| Dam Height | 28 ft |
| Dam Length | 900 ft |
| Year Completed | 1957 (69 years old) |
Storage & Hydraulics
| NID Storage | 398 acre-ft |
| Max Storage | 398 acre-ft |
| Normal Storage | 24 acre-ft |
| Surface Area | 2 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 8,809 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | SWCD of Fillmore County |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 05/10/2017 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MN00963 |
| Federal ID | MN00963 |
| More Info | State Dam Safety Program |