Lower Glasston Dam
High HazardPoor ConditionEmergency Action Plan: Yes
Location
| State | Montana |
| County | Sweet Grass |
| Nearest City | GREYCLIFF |
| River/Stream | SWEETGRASS CANAL OFFSTREAM |
| Coordinates | 46.00490, -109.84018 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 30 ft |
| Dam Height | 30 ft |
| Dam Length | 1,240 ft |
| Year Completed | 1912 (114 years old) |
Storage & Hydraulics
| NID Storage | 7,317 acre-ft |
| Max Storage | 7,317 acre-ft |
| Normal Storage | 7,317 acre-ft |
| Surface Area | 571 acres |
Ownership & Safety
| Purpose | Irrigation |
| Owner | SWEETGRASS CANAL & RES CO |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Poor |
| Last Inspection | 07/10/2021 |
| Emergency Action Plan | Yes |