Willow Creek
High HazardFair ConditionEmergency Action Plan: Yes
Location
| State | South Dakota |
| County | Brown |
| Nearest City | WESTPORT |
| River/Stream | WILLOW CREEK |
| Coordinates | 45.71436, -98.59060 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 49 ft |
| Dam Height | 49 ft |
| Dam Length | 1,330 ft |
| Year Completed | 1934 (92 years old) |
Storage & Hydraulics
| NID Storage | 7,650 acre-ft |
| Max Storage | 7,650 acre-ft |
| Normal Storage | 3,050 acre-ft |
| Surface Area | 312 acres |
| Drainage Area | 155 sq mi |
| Max Discharge | 17,900 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Water Supply |
| Owner | CITY OF ABERDEEN |
| Owner Type | Local Government |
| Hazard Classification | High |
| Condition Assessment | Fair |
| Last Inspection | 11/22/2022 |
| Emergency Action Plan | Yes |