The 32 Dams of the Columbia River Drainage

The Dalles Dam.  Its 22-generator half-mile-long powerhouse produces 2.1 million kilowatts of electricity, enough to power 800,000 homes, nearly as many homes as in the entire state of Oregon.

irrigation with siphon tubes

Bureau of Reclamation,
Lewiston Orchards, Idaho Storage and Flow Diagram,
with Reservoir A, Lake Waha, Soldiers Meadow Reservoir, and Sweetwater and Webb Creeks (which drain into Lapwai Creek)