R.I. Gen. Laws § 46-23-18: Prohibited activities.

(a) No person, either as principal, agent or servant nor any firm, corporation, or any other entity shall, without a permit issued by the coastal resources management council, construct a marina within two thousand feet (2000′) of a shellfish management area as defined by rules and regulations of the department of environmental management. Such permit shall include any permit required under subsection (b).

(b) No person, either as principal, agent, or servant, or any firm, corporation or any other entity, shall, within the tidal waters of the state, conduct or cause to conduct dredging, transportation and/or disposal of dredge materials without a permit issued by the coastal resources management council, a water quality certification issued by the department of environmental management pursuant to chapter 12 of this title and any permit required by the army corps of engineers. In addition, no person, either as principal, agent, or servant, nor any firm, corporation or any other entity, shall dispose of dredge materials other than in tidal waters without any permit, approval or certification that may otherwise be required.