The Contra Costa County Flood Control and Water Conservation District, in conjunction with the Department of the Army, shall execute the plans and projects referred to in Section 12718.1, and may make modifications and amendments to the plans as may be necessary to execute them for the purposes of Chapters 1 (commencing with Section 12570) and 2 (commencing with Section 12639) of this part.
Source:
Section 12718.3, https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?lawCode=WAT§ionNum=12718.3..