Priest Rapids
High HazardFair ConditionEmergency Action Plan: Yes
Location
| State | Washington |
| County | Grant |
| Nearest City | Richland, WA |
| River/Stream | Columbia River |
| Coordinates | 46.64611, -119.90580 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 187 ft |
| Dam Height | 90 ft |
| Dam Length | 10,103 ft |
| Year Completed | 1961 (65 years old) |
Storage & Hydraulics
| NID Storage | 191,000 acre-ft |
| Max Storage | 191,000 acre-ft |
| Normal Storage | 191,000 acre-ft |
| Surface Area | 7,580 acres |
| Drainage Area | 95,500 sq mi |
| Max Discharge | 1,334,992 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Hydroelectric |
| Owner | Grant County PUD |
| Owner Type | Public Utility |
| Hazard Classification | High |
| Condition Assessment | Fair |
| Last Inspection | 04/16/2025 |
| Emergency Action Plan | Yes |