; and (B) the Rivers and Mountains Conservancy. (5) One designee of the Los Angeles County Board of Supervisors. (6) One designee of the Puente Hills Habitat Preservation Authority. (7) Four designees of the San Gabriel Council of Governments, of whom 1 shall be selected from a local land conservancy. (8) One designee of the San Gabriel Valley Economic Partnership. (9) One designee of the Los Angeles County Flood Control District. (10) One designee of the San Gabriel Valley Water Association. (11) One designee of the Central Basin Water Association. (12) One designee of the Main San Gabriel Basin Watermaster. (13) One designee of a public utility company, to be appointed by the Secretary. (14) One designee of the Watershed Conservation Authority. (15) One designee of the Advisory Council for the period during which the Advisory Council remains in effect. (16) One designee of San Gabriel Mountains National Monument Community Collaborative. (d) Duties To advance the purposes described in section 311, the Partnership shall— (1) make recommendations to the Secretary regarding the development and implementation of the management plan; (2) review and comment on the visitor services plan under section 319(a)(2), and facilitate the implementation of that plan; (3) assist units of local government, regional planning organizations, and nonprofit organizations in advancing the purposes of the Recreation Area by— (A) carrying out programs and projects that recognize, protect, and enhance important resource values within the Recreation Area; (B) establishing and maintaining interpretive exhibits and programs within the Recreation Area; (C) developing recreational and educational opportunities in the Recreation Area in accordance with the purposes of this subtitle; (D) increasing public awareness of, and appreciation for, natural, historic, scenic, and cultural resources of the Recreation Area; (E) ensuring that signs identifying points of public access and sites of interest are posted throughout the Recreation Area