California Code, Corporations Code - CORP § 14301.1

(a) No later than December 31, 2012, each mutual water company that operates a public water system shall submit to the local agency formation commission for its county a map depicting the approximate boundaries of the property that the mutual water company serves.

(b) A mutual water company that operates a public water system shall respond to a request from a local agency formation commission, located within a county that the mutual water company operates in, for information in connection with the preparation of municipal service reviews or spheres of influence pursuant to Chapter 4 (commencing with Section 56425) of Part 2 of Division 3 of Title 5 of the Government Code within 45 days of the request. The mutual water company shall provide all reasonably available nonconfidential information relating to the operation of the public water system. The mutual water company shall explain, in writing, why any requested information is not reasonably available. The mutual water company shall not be required to disclose any information pertaining to the names, addresses, or water usage of any specific shareholder. This subdivision shall not be interpreted to require a mutual water company to undertake any study or investigation. A mutual water company may comply with this section by submitting to the local agency formation commission the same information that the mutual water company submitted to the State Department of Public Health.

(c) A mutual water company that operates a public water system shall be subject to the requirements of, and has the powers granted by, subdivision (b) of Section 116755 of the Health and Safety Code.