A bill to authorize funds for the Interstate Commission on the Potomac River for the purpose of developing a plan for the cooperative management by Federal, State, District of Columbia, and local authorities of certain areas along the Potomac River, and for other purposes.

Authorizes appropriations for the Interstate Commission on the Potomac River for the purpose of developing a plan for the cooperative management by Federal, State, District of Columbia, and local authorities of certain areas along the Potomac River. Authorizes the Commission to establish an advisory committee to assist it in developing the Potomac River Shoreline Area Plan. Directs the Commission to conduct public hearings and to consult with affected Federal, State, District of Columbia, and local bodies concerning such plan. Specifies elements to be included in such plan.

Directs the Commission to submit the plan to the appropriate authorities for their comments and recommendations within 24 months following the availability of appropriated funds. Directs the Commission to submit its plan, as modified if necessary, to the Congress for its approval.

Authorizes the Commission to use appropriated funds to study the advisability of developing plans for portions of the Potomac River not covered by the Potomac River Shoreline Area Plan.