R.I. Gen. Laws § 37-5-4: State piers — Cooperation in river and harbor development.

The department and director shall have jurisdiction over state pier no. 1 at Providence, state pier no. 2 at Pawtucket, and state piers no. 3 and no. 4 in the town of Narragansett. The department shall also cooperate with federal authorities in connection with river and harbor development; and shall also carry on all duties in connection with the opening of breachways in the several salt ponds of the state and for this purpose shall cooperate with federal authorities in connection with the breachways.