Armstrong Lake Dam
Low Hazard ConditionEmergency Action Plan: Not Required
Location
| State | Washington |
| County | Mason |
| Nearest City | Dayton |
| River/Stream | North Fork Goldsborough Creek |
| Coordinates | 47.23083, -123.21273 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 10 ft |
| Dam Length | 500 ft |
| Year Completed | 1968 (58 years old) |
Storage & Hydraulics
| NID Storage | 150 acre-ft |
| Max Storage | 150 acre-ft |
| Normal Storage | 80 acre-ft |
| Surface Area | 80 acres |
Ownership & Safety
| Purpose | Recreation |
| Owner | West Coast Latvian Education Center |
| Owner Type | Private |
| Hazard Classification | Low |
| Last Inspection | 03/14/2001 |
| Emergency Action Plan | Not Required |