It is thought the District was originally formed in 1905; however, the District's bylaws were recorced in 1908. Drainage District No. 1 (DD1) is located east and south of the City of Gridley and directly west of the Feather River. The District collects runoff from agricultural irrigation water and natural storms in an area of approximately 6,249 acres.

The District Office is located at 649 Township Road, Gridley, CA 95948

Contact Information: Jeff Spence, 1008 Live Oak Blvd., Yuba City, CA 95991