California Code, Public Resources Code - PRC § 8757

(a) The commission shall inspect or cause to be inspected, on a regular basis, all marine facilities, along with associated equipment and shall monitor their operations and the effects on public health, safety, and the environment. These inspection and monitoring activities shall, to the greatest extent possible, be coordinated with federal, state, and local agencies having lawful jurisdiction. The commission shall maintain a record of these activities for each marine facility.

(b) Any such inspection conducted under this chapter shall be coordinated to the maximum extent with other state, federal, and local agencies. The commission is specifically encouraged to enter into agreements that would permit other agencies with existing inspection programs, including, but not limited to, the Division of Oil and Gas, the California Coastal Commission, and the State Water Resources Control Board, to conduct the inspections required in this chapter. This section does not apply to pipelines that are used exclusively to transport petroleum products and are subject to the jurisdiction of the State Fire Marshal under either state or federal law.