The overall state plan for nonpoint source pollution control shall establish priorities for all nonpoint source pollution control. The committee shall administer agricultural, nonpoint source pollution control cost-share grants to landusers in accordance with the priorities encompassed in the agricultural component of the plan developed for the state by the department in cooperation with the committee and approved by the Environmental Protection Agency. All information requested of the committee shall be provided to the department for use in reporting to the Environmental Protection Agency on the state's progress in water quality as it relates to agricultural nonpoint source pollution.