La Grande
High HazardSatisfactory ConditionEmergency Action Plan: Yes
Location
| State | Washington |
| County | Thurston |
| Nearest City | Yelm, WA |
| River/Stream | Nisqually River |
| Coordinates | 46.82283, -122.30428 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 217 ft |
| Dam Height | 192 ft |
| Dam Length | 710 ft |
| Year Completed | 1944 (82 years old) |
Storage & Hydraulics
| NID Storage | 7,200 acre-ft |
| Max Storage | 7,200 acre-ft |
| Normal Storage | 2,700 acre-ft |
| Surface Area | 450 acres |
| Drainage Area | 292 sq mi |
| Max Discharge | 88,000 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Hydroelectric |
| Owner | City of Tacoma |
| Owner Type | Public Utility |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 01/23/2023 |
| Emergency Action Plan | Yes |