Arroyo Canal and Sack Dam

This project implements two of the highest priority projects identified in the 2006 Settlement. The project includes a fish screen on the Arroyo Canal to prevent entrainment of juvenile Chinook salmon in the canal and modifications to Sack Dam to allow for fish passage around the structure. The project furthers the Department of the Interior’s efforts to restore Chinook salmon and other fish to the San Joaquin River and is authorized in the San Joaquin River Restoration Settlement Act (P.L. 111-11). Arroyo Canal and Sack Dam are owned and operated by Henry Miller Reclamation District #2131. Therefore, the District wil be the co-lead agency for California.

The dam and canal are the sole diversion and conveyance facilities for the District that provides agricultural water supply to approximately 47,000 acres of highly productive lands in the San Joaquin Valley along with conveyance of water supply to Federal and State wildlife refuges and private duck clubs.

  • A joint Draft Environmental Assessment/Initial Study was publicly released June 1, 2012, and comments were due by 5 p.m. Monday, July 2, 2012.
    Draft EA/IS and Draft FONSI/MND
  • The Final EA/IS was publicly released May 24, 2013. The FONSI was signed Sept. 4, 2013.
    Final EA/IS and FONSI
    Construction start date is currently pending.

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