; (B) located in an area designated by the Secretary as a critical conservation area under section 1271F; and (C) designated by a Federal interagency task force or council, or other appropriate Federal interagency group, as a watershed most in need of phosphorus reduction from agricultural activities to improve water quality in a large body of water of regional, national, or international significance. (b) In general The Secretary shall carry out a pilot program, to be known as the Healthy Farms Healthy Watersheds Action Program, to maximize reduction of dissolved reactive phosphorus in priority watersheds through the implementation of eligible activities in such watersheds under the program and covered programs in fiscal years 2025 through 2031. (c) Action plans (1) In general Using funds made available under this subchapter, the Secretary shall select priority watersheds for purposes of the Healthy Farms Healthy Watersheds Action Program and prepare for each priority watershed so selected an action plan to maximize reduction of dissolved reactive phosphorus through implementation of eligible activities in the watershed under the program and covered programs. (2) Elements An action plan prepared under paragraph (1) shall include— (A) an appraisal of the extent to which each eligible activity available for implementation in the watershed under the program or a covered program is effective at reducing dissolved reactive phosphorus, based on existing data and analysis; (B) identification of target implementation goals for each eligible activity available for implementation in the watershed under the program or a covered program that is determined by the Secretary to be effective at reducing dissolved reactive phosphorus