Tieton Dam
| Tieton Dam | |
|---|---|
 | |
| Location | Yakima County, Washington, USA |
| Coordinates | 46°39′23″N 121°7′46″W / 46.65639°N 121.12944°WCoordinates: 46°39′23″N 121°7′46″W / 46.65639°N 121.12944°W[1] |
| Opening date | 1925[2] |
| Operator(s) | United States Bureau of Reclamation[2] |
| Dam and spillways | |
| Impounds | Tieton River |
| Height | 319 feet (97 m)[2] |
| Length | 920 feet (280 m)[2] |
| Reservoir | |
| Creates | Rimrock Lake |
| Total capacity | 203,600 acre feet (0.251 km3)[2] |
| Catchment area | 184 square miles (477 km2)[2] |
| Surface area | 2,674 acres (10.8 km2)[2] |
Tieton Dam is an earth and concrete type dam on the Tieton River, in the U.S. state of Washington. It is located in Yakima County. Its reservoir is called Rimrock Lake. Its purpose is to provide water for irrigation agriculture.[2]