Cal. Wat. Code § 131 : CALIFORNIA WATER CODE — GENERAL STATE POWERS OVER WATER — STATE ADMINISTRATION GENERALLY — DEPARTMENT OF WATER RESOURCES — Employment of assistants; purchase or lease of supplies TEXT PDF The department may employ such assistance as may be necessary for the proper discharge of its duties, and may purchase or rent any necessary supplies, instruments, tools, equipment, and conveniences. Ca. Water Code § 131 Added by Stats. 1957, Ch. 1932.