159.7—Requirements for vessel operators.
(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—
(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—
(3)
Using a non-releasable wire-tie to hold each valve leading to an overboard discharge in the closed position.