Rainbow Lake Dam
Low Hazard ConditionEmergency Action Plan: Not Required
Location
| State | Washington |
| County | Columbia |
| River/Stream | Tucannon River-Offstream |
| Coordinates | 46.31470, -117.66075 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 14 ft |
| Dam Length | 1,700 ft |
| Year Completed | 1955 (71 years old) |
Storage & Hydraulics
| NID Storage | 70 acre-ft |
| Max Storage | 70 acre-ft |
| Normal Storage | 50 acre-ft |
| Surface Area | 10 acres |
| Drainage Area | 0 sq mi |
Ownership & Safety
| Purpose | Recreation |
| Owner | WA DFW |
| Owner Type | State |
| Hazard Classification | Low |
| Last Inspection | 05/15/1998 |
| Emergency Action Plan | Not Required |