Thompson Falls - Intake Dam A
Low HazardSatisfactory ConditionEmergency Action Plan: Yes
Location
| State | Montana |
| County | Sanders |
| Nearest City | None |
| River/Stream | Clark Fork River, Pend Oreille |
| Coordinates | 47.59380, -115.35990 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 62 ft |
| Dam Height | 62 ft |
| Dam Length | 292 ft |
| Year Completed | 1915 (111 years old) |
Storage & Hydraulics
| NID Storage | 24,450 acre-ft |
| Max Storage | 24,450 acre-ft |
| Normal Storage | 14,970 acre-ft |
| Surface Area | 1,580 acres |
| Drainage Area | 21,113 sq mi |
| Spillway Type | None |
Ownership & Safety
| Purpose | Hydroelectric |
| Owner | NorthWestern Energy |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 08/31/2021 |
| Emergency Action Plan | Yes |