Costich Dam
High HazardSatisfactory ConditionEmergency Action Plan: Yes
Location
| State | Montana |
| County | Lincoln |
| Nearest City | EUREKA |
| River/Stream | TR-TOBACCO RIVER OFFSTREAM |
| Coordinates | 48.89136, -115.02316 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 29 ft |
| Dam Height | 29 ft |
| Dam Length | 215 ft |
| Year Completed | 1956 (70 years old) |
Storage & Hydraulics
| NID Storage | 570 acre-ft |
| Max Storage | 570 acre-ft |
| Normal Storage | 470 acre-ft |
| Surface Area | 44 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 82 cfs |
| Spillway Type | None |
Ownership & Safety
| Purpose | Irrigation |
| Owner | GLEN LAKE IRRIGATION DISTRICT |
| Owner Type | Local Government |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 06/22/2020 |
| Emergency Action Plan | Yes |