John H. Chafee Blackstone River Valley National Heritage Corridor Sustainability Report Act

John H. Chafee Blackstone River Valley National Heritage Corridor Sustainability Report Act - Requires the Director of the National Park Service (NPS) to prepare a report on the sustainability of the John H. Chafee Blackstone River Valley National Heritage Corridor in Rhode Island and Massachusetts.

Requires the report to: (1) document progress made in accomplishing the purpose of the law establishing the Corridor and the strategies and goals set forth in the Cultural Heritage and Land Management Plan for the Corridor, including historic preservation, interpretation and education, environmental recovery, recreational development, and economic improvement; (2) identify further actions and commitments needed to protect, enhance, and interpret the Corridor; (3) determine the extent of Federal funding and determine how such funds have leveraged additional Federal, State, local, and private funding for the Corridor since its establishment; and (4) evaluate the John H. Chafee Blackstone River Valley National Heritage Commission's form of authority and management structure for the Corridor, and identify and evaluate options for a permanent NPS designation or a State park or regional entity as a sustainable framework to achieve the national interest of the Blackstone Valley.

Directs that: (1) the Director prepare the report in coordination with the NPS Advisory Board; and (2) funding to prepare the report be made available from annual appropriations for the Commission.