Big Casino Creek Dam
High HazardSatisfactory ConditionEmergency Action Plan: Yes
Location
| State | Montana |
| County | Fergus |
| Nearest City | LEWISTOWN |
| River/Stream | BIG CASINO CREEK |
| Coordinates | 47.03680, -109.43010 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 80 ft |
| Dam Height | 68 ft |
| Dam Length | 1,056 ft |
| Year Completed | 1976 (50 years old) |
Storage & Hydraulics
| NID Storage | 2,063 acre-ft |
| Max Storage | 2,063 acre-ft |
| Normal Storage | 124 acre-ft |
| Surface Area | 72 acres |
| Drainage Area | 19 sq mi |
| Max Discharge | 16,000 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | CITY OF LEWISTOWN |
| Owner Type | Local Government |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 06/15/2020 |
| Emergency Action Plan | Yes |