On August 15, 1964, and at intervals of four years thereafter, the Commissioner of Environmental Conservation shall evaluate the role of the New England Interstate Water Pollution Control Commission with respect to the interstate waters of concern to New York, and to which the compact applies, and shall report to the commission thereon. The Commissioner of Environmental Conservation shall transmit a copy of such report to the Governor. The Commissioner of Environmental Conservation may make such additional reports to the New England Interstate Water Pollution Control Commission and the Governor as he deems appropriate.