Opal Dam
High HazardFair ConditionEmergency Action Plan: Yes
Location
| State | South Dakota |
| County | Meade |
| Nearest City | NONE |
| River/Stream | Middle Beaver Dam Creek |
| Coordinates | 44.91002, -102.42179 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 22 ft |
| Dam Height | 22 ft |
| Dam Length | 515 ft |
| Year Completed | 1937 (89 years old) |
Storage & Hydraulics
| NID Storage | 558 acre-ft |
| Max Storage | 558 acre-ft |
| Normal Storage | 260 acre-ft |
| Surface Area | 38 acres |
| Drainage Area | 7 sq mi |
| Max Discharge | 2,935 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | GF&P |
| Owner Type | State |
| Hazard Classification | High |
| Condition Assessment | Fair |
| Last Inspection | 11/09/2021 |
| Emergency Action Plan | Yes |