An act to add Article 2.5 (commencing with Section 11375) to Chapter 4 of Part 1 of Division 3 of Title 2 of the Government Code, and to amend Section 1825 of, to amend, repeal, and add Sections 1055, 1552, and 1845 of, to add Section 1837 to, and to repeal and add Article 2 (commencing with Section 1831) of Chapter 12 of Part 2 of Division 2 of, the Water Code, relating to water.