PUC §4454.5: (a) Every operator shall maintain all of the following: (1) A map, drawing, or diagram that indicates the location of the distribution system’s main and service lines, tank (or tanks), regulators, the

(a) Every operator shall maintain all of the following: (1) A map, drawing, or diagram that indicates the location of the distribution system’s main and service lines, tank (or tanks), regulators, the identity and location of key valves, and the identity of the supplier. (2) A copy of each annual report that has been submitted pursuant to the federal law or this chapter. (3) A copy of any record of leak surveys and repairs, corrosion control, and cathodic protection of the system. (4) An operation and maintenance plan, and an emergency plan. (b) The information and records listed in subdivision (a) shall be provided to any subsequent operator of the distribution system upon the sale, transfer, or other conveyance of title to the distribution system. (c) Notwithstanding any other provision of law, there shall be no penalty pursuant to Section 4457 imposed upon a subsequent operator of the distribution system who has not received the information and records listed in subdivision (a) from the transferring operator or upon any operator who fails to have the information and records for any period on or before the effective date of this section.