Opal Dam
South Dakota — Meade County — Middle Beaver Dam Creek
Location
| State | South Dakota |
| County | Meade |
| River | Middle Beaver Dam Creek |
| Coordinates | 44.91002, -102.42179 |
Physical Characteristics
| NID Height | 22 ft |
| Dam Height | 22 ft |
| Dam Length | 515 ft |
| NID Storage | 558 acre-ft |
| Max Storage | 558 acre-ft |
| Surface Area | 38 acres |
Safety Classification
| Hazard Potential | High |
| Condition Assessment | Fair |
| EAP Status | Yes |
| Last Inspection | November 9, 2021 |
| Inspection Frequency | 3 |
Dam Information
| Year Completed | 1937 |
| Primary Purpose | Recreation |
| Dam Type | Earth |
| Owner Type | State |
| Owner | GF&P |
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.