Phase 1: Ashurst-Hayden Diversion Dam Rehabilitation

Part of: San Carlos Irrigation and Drainage District (SCIDD) Rehabilitation Project

This collection encompasses archaeological survey, Phase 1 data recovery, and Phase 2 data recovery conducted prior to the construction of a sediment removal pond in the vicinity of Ashurst-Hayden Diversion Dam. The rehabilitation of Ashurst-Hayden Diversion Dam is the first phase of the San Carlos Irrigation and Drainage District Rehabilitation Project, which was authorized under the Arizona Water Settlements Act of 2004. The Bureau of Reclamation is the lead federal agency for the environmental and cultural compliance process. The project proponent is the San Carlos Irrigation and Drainage District. Cooperating agencies and entities include the Bureau of Indian Affairs, the San Carlos Irrigation Project, and the Pima-Maricopa Irrigation Project.