; (2) recommendations for ways to streamline and make cost-effective methods for Federal agencies to coordinate interstate sharing of data, including recommendations for the development of a publicly accessible, internet-based platform that can allow entities described in subsection (a) to communicate and coordinate ongoing data collection efforts relating to water allocation, supply, and demand, and share best practices relating to those efforts; and (3) a recommendation as to an appropriate Federal entity that should— (A) serve as the lead coordinator for data relating to water allocation, supply, and demand; and (B) host and manage the internet-based platform described in paragraph (2). (c) Funding Out of funds made available to the Secretary for operations and maintenance activities of the Corps of Engineers that are not otherwise obligated, the Secretary may use to carry out this section $3,900,000. 1506. GAO report on certain Federal dams and reservoirs Not later than 1 year after the date of enactment of this Act, the Comptroller General of the United States shall submit to Congress a report that includes— (1) with respect to each Federal dam and reservoir in the United States located west of the 100th meridian— (A) an identification of the water control manuals that were changed or updated by the Corps of Engineers during the previous 10 years; and (B) an identification of any water storage reallocations approved by the Corps of Engineers during the previous 10 years; (2) a summary of the process and policies used by the Corps of Engineers to establish and update flood control curves within water control manuals at the Federal dams and reservoirs described in paragraph (1)