§ 1700.36 Surface vessel bilgewater/oil-water separator effluent.
(a) All surface vessels must employ management practices that will minimize leakage of oil and other harmful pollutants into the bilge.
(b) Surface vessels equipped with an oil-water separator must not discharge bilgewater and must only discharge oil-water separator effluent through an oil-content monitor consistent with paragraph (c) of this section. All surface vessels greater than 400 gross tons must be equipped with an oil-water separator. Surface vessels not equipped with an oil-water separator must only discharge bilgewater consistent with paragraph (d) of this section.
(c) The discharge of oil-water separator effluent:
(1) Must not contain oil in quantities that:
(i) Cause a film or sheen upon or discoloration of the surface of the water or adjoining shorelines; or
(ii) Cause a sludge or emulsion to be deposited beneath the surface of the water or upon adjoining shorelines; or