Lake Frances East Dam
High HazardSatisfactory ConditionEmergency Action Plan: Yes
Location
| State | Montana |
| County | Pondera |
| Nearest City | LEDGER |
| River/Stream | OFFSTREAM-HEIN COULEE |
| Coordinates | 48.26290, -112.20740 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 59 ft |
| Dam Height | 59 ft |
| Dam Length | 800 ft |
| Year Completed | 1909 (117 years old) |
Storage & Hydraulics
| NID Storage | 133,619 acre-ft |
| Max Storage | 133,619 acre-ft |
| Normal Storage | 110,500 acre-ft |
| Surface Area | 5,300 acres |
| Drainage Area | 13 sq mi |
| Max Discharge | 636 cfs |
| Spillway Type | None |
Ownership & Safety
| Purpose | Irrigation |
| Owner | PONDERA CANAL & RES. CO. |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 10/04/2023 |
| Emergency Action Plan | Yes |