An act to amend Sections 13170, 13263, 13350, 13370, 13372, 13373, 13374, 13376, 13383.5, and 13385.1 of, to amend the heading of Chapter 5.5 (commencing with Section 13370) of Division 7 of, and to add Sections 13052, 13164.5, 13250, 13251, 13352, 13377.5, and 13385.5 to, the Water Code, relating to water.