; (iii) stormwater, sanitary sewer, and drinking water systems, including green infrastructure and opportunities to control nonpoint source runoff; and (iv) other community facilities and private development; and (E) such other factors as are determined by the Secretary to align with metrics or indicators for resiliency, considering environmental and economic changes. (d) Duration After the designation of a community as a resilient waterfront community under subsection (a), a resilient waterfront community plan developed in accordance with subsections (b) and (c) may be— (1) effective for the 10-year period beginning on the date on which the Secretary approves the resilient waterfront community plan; and (2) updated by the resilient waterfront community and submitted to the Secretary for the approval of the Secretary before the expiration of the 10-year period. 5. Resilient waterfront communities network (a) In general The Secretary shall develop and maintain a resilient waterfront communities network to facilitate the sharing of best practices among waterfront communities. (b) Public recognition In consultation with designated resilient waterfront communities, the Secretary shall provide formal public recognition of the designated resilient waterfront communities to promote tourism, investment, or other benefits. 6. Waterfront community revitalization activities (a) In general To support a community in leveraging other sources of public and private investment, the Secretary may use existing authority to support— (1) the development of a resilient waterfront community plan, including planning and feasibility analysis