Moran Slough Dike
Moran Slough Dike is an earth dam located in Grant County, Washington, built in 1964. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Moran Slough Dike
The primary purpose of Moran Slough Dike is hydroelectric. The dam generates hydroelectric power by channeling water through turbines, converting the energy of flowing water into electricity. The dam is owned by Grant County Pud (public utility). It impounds the Moran Slough near Richland, Wa.
The dam stands 13 feet tall and stretches 600 feet across, creates a reservoir covering 75 acres, has a storage capacity of 75 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1964, the structure is well into its service life at over 50 years old.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 08/23/2022.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Washington |
| County | Grant |
| Nearest City | Richland, Wa |
| River/Stream | Moran Slough |
| Coordinates | 46.64170, -119.88000 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 13 ft |
| Dam Height | 11 ft |
| Dam Length | 600 ft |
| Year Completed | 1964 (62 years old) |
Storage & Hydraulics
| NID Storage | 75 acre-ft |
| Normal Storage | 75 acre-ft |
| Surface Area | 75 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Hydroelectric |
| Owner | Grant County PUD |
| Owner Type | Public Utility |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 08/23/2022 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | WA00037 |
| Federal ID | WA00037 |
| More Info | State Dam Safety Program |