On or before July 1, 1994, the board and the state water board shall jointly develop a plan to implement the changes made to this division and Division 7 (commencing with Section 13000) of the Water Code by the act adding this chapter, and shall make recommendations for additional reforms to both statutory law and regulations, which are consistent with the intent specified in Section 43101. In developing an implementation plan, the board and the state water board shall seek the active participation of representatives of local government, other state agencies, the regulated community, environmental organizations, and interested parties. At a minimum, the implementation plan shall include a work plan for revising regulations, a timeline for implementation, and a description of necessary administrative actions.