Cal. Water Code § 13399.41

Notwithstanding any other provision of law, appropriate state agencies, as requested by the executive director of the state board, shall provide the state board with the names, addresses, and standard industrial classifications or types of business facilities that are subject to storm water programs under this division. The information obtained pursuant to this section shall be used by the state board solely to regulate the discharge of storm water associated with industrial activity under this division. The state shall reimburse state agencies for all reasonable expenses incurred in connection with complying with this section.