Amon Creek Wasteway
Overview
Amon Creek Wasteway is the lowest tributary on the Yakima River at river mile 2.7. The majority of flow is derived from irrigation return flows from the Kennewick Irrigation District, with a small amount coming from natural sources. The drainage area is approximately 62 square miles.
Habitat Conditions
Flows
Historical flows to Amon Creek prior to irrigation, where likely low. Smith et al. (2006)[1] calculated natural stream flow estimates the Amon drainage between 250-500 acre-feet per year, or 0.51 cubic feet per second per day of discharge.