Arnold Irrigation District Infrastructure Modernization Project

Lead Agency: NRCS Oregon
Sponsoring Local Organization: Arnold Irrigation District and Deschutes Basin Board of Control

Project Description

The Arnold Irrigation District Infrastructure Modernization Project will pipe 11.9 miles of the District’s Main Canal in four phases. Piping will begin at the eastern end of the Main Canal and stop about 1.5 miles from the District’s diversion on the Deschutes River. The project will not modify or affect the District’s existing flume. The project will improve water conservation in District-owned infrastructure; improve water supply management and delivery reliability to District patrons; increase drought resiliency; improve public safety on up to 11.9 miles of the Main Canal; and enhance streamflow in the Deschutes River.

NEPA Analysis

On August 9, 2022, NRCS Oregon released a Final Watershed Plan-Environmental Assessment (EA) and a Finding of No Significant Impact for the Arnold Irrigation District Infrastructure Modernization Project. 

Current Status

Phase 1 and a portion of Phase 2 is in construction. Phase 3 and Phase 4 of the project are in design; funding for construction pending approval and authorization. 

Project Documents

Contact Information

Gary Diridoni
NRCS Oregon Assistant State Conservationist for Watershed Resources
Gary.Diridoni@usda.gov