Mill Creek Storage Dam
Washington — Walla Walla County — MILL CREEK OFFSTREAM
Location
| State | Washington |
| County | Walla Walla |
| River | MILL CREEK OFFSTREAM |
| Coordinates | 46.06418, -118.26380 |
Physical Characteristics
| NID Height | 145 ft |
| Dam Height | — |
| Dam Length | 3,200 ft |
| NID Storage | 8,300 acre-ft |
| Max Storage | 8,300 acre-ft |
| Surface Area | 25 acres |
Safety Classification
| Hazard Potential | High |
| Condition Assessment | Not Available |
| EAP Status | Yes |
| Last Inspection | October 20, 2022 |
| Inspection Frequency | 5 |
Dam Information
| Year Completed | 1942 |
| Primary Purpose | Flood Risk Reduction |
| Dam Type | Earth |
| Owner Type | Federal |
| Owner | USACE - Walla Walla District |
| Other Name | Bennington Lake |
Location Map
About This Dam Record
Dam safety data is maintained by the Army Corps of Engineers National Inventory of Dams (NID). High-hazard dams are those where failure could cause loss of life or major property damage downstream.