Chapter 91 of the General Laws is hereby amended after section 10d by inserting the following new section:-

Section 10E. There is hereby established a fund to be known as the Harbors and Inland Waters Maintenance Fund to which shall be credited such sums as are determined under the provisions of sections forty-two, forty-three, forty-three B, forty-three C, forty-five, and forty-six A of chapter ninety-one, the sales tax under chapter 64H applied to boats built or rebuilt and delivered in Massachusetts by Massachusetts craftsmen, and any sums received by the commonwealth from the federal government on account of the activities of the department of environmental management relative to (a) the continuous maintenance dredging; (b) cleaning of all areas within the harbors, inland waters and great ponds of the commonwealth including removal of sunken and abandoned vessels, derelict piers and any other obstacles deemed to be hazardous to navigation; (c) maintenance of state piers; and (d) for the purpose of carrying out the provisions of section thirty-one. All monies in said fund shall be subject to appropriation, and shall be used only for the purpose of continuous maintenance dredging and cleaning of harbors, inland waters and great ponds of the commonwealth, including removal of sunken and abandoned vessels, derelict piers and any other obstacles deemed to be hazardous to navigation, by the department of environmental management.