"No Discharge Zones" in Rhode Island
As of August 1998 all of the marine waters in the State of Rhode Island are "No Discharge Zones". The Great Salt Pond on Block Island has been designated as a "No Discharge Zone" since June 1993.
There are 57 pumpout facilities available to service vessels in the coastal waters of Rhode Island, and more coming on line. For more information including, where the pumpouts are located visit the Rhode Island Department of Environmental Management's Sewage Holding Tank Systems for Recreational Boats page.