33 C.F.R. § 159.7 Requirements for vessel operators.
Title 33 - Navigation and Navigable Waters
(a) No person may operate any vessel equipped with installed toilet facilities unless it is equipped with: (1) An operable Type II or III device that has a label on it under §159.16 or that is certified under §159.12 or §159.12a; or (2) An operable Type I device that has a label on it under §159.16 or that is certified under §159.12, if the vessel is 19.7 meters (65 feet) or less in length. (b) When operating a vessel on a body of water where the discharge of treated or untreated sewage is prohibited by the Environmental Protection Agency under 40 CFR 140.3 or 140.4, the operator must secure each Type I or Type II device in a manner which prevents discharge of treated or untreated sewage. Acceptable methods of securing the device include— (1) Closing the seacock and removing the handle; (2) Padlocking the seacock in the closed position; (3) Using a non-releasable wire-tie to hold the seacock in the closed position; or (4) Locking the door to the space enclosing the toilets with a padlock or door handle key lock. (c) When operating a vessel on a body of water where the discharge of untreated sewage is prohibited by the Environmental Protection Agency under 40 CFR 140.3, the operator must secure each Type III device in a manner which prevents discharge of sewage. Acceptable methods of securing the device include— (1) Closing each valve leading to an overboard discharge and removing the handle; (2) Padlocking each valve leading to an overboard discharge in the closed position; or (3) Using a non-releasable wire-tie to hold each valve leading to an overboard discharge in the closed position. [CGH 95–028, 62 FR 51194, Sept. 30, 1997]
Title 33: Navigation and Navigable Waters
PART 159—MARINE SANITATION DEVICES
Subpart A—General
§ 159.7 Requirements for vessel operators.
