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Irrigated Crops Above Ice Harbor Dam Columbia-Snake River Irrigators Association Irrigation Sector Economic Impacts on the Lower Snake River, January 2024

Benchmark Review for
Dam Breaching and Mitigation Costs

Crop Type	Acres	Percent
Potato *	11,455	21%
Corn, Field	9,651	18%
Apple	8,855	16%
Wheat	7,897	14%
Corn, Sweet	5,358	10%
Onion	2,265	4%
Pea, Green	1,690	3%
Alfalfa Hay	1,236	2%
Carrot	1,140	2%
Pasture	817	1%
Grass Seed	685	1%
Grape, Juice	647	1%
Cherry	558	1%
Wildlife Feed	549	1%
Fallow, Tilled **	369	%
Mint	329	< 1%
Pea, Dry	233	< 1%
Canola	203	< 1%
Grape, Wine ***	147	< 1%
Timothy Hay	140	< 1%
Corn Seed	138	< 1%
Wheat Fallow	112	< 1%
Grape, Wine ***	104	< 1%
Fallow, Idle **	102	< 1%
Grass Hay	81	< 1%
Filbert	34	< 1%
Pea Seed	27	< 1%
Cover Crop	18	< 1%
Fallow **	3	< 1%
Grand Total	54,843

All of these agricultural reservoir users are pumping their irrigation water. There are no canals delivering flood irrigation water from diversions on the Lower Snake.

Water is pumped from the top of the full reservoir to cropland 20-560 feet above the surface of the reservoir.