CA Pub Res Code Section 72420.2

(a)

An owner or operator of a large passenger vessel shall not release, or permit anyone to release, from the vessel, graywater into the marine waters of the state or a marine sanctuary.

(b)

An owner or operator of a large passenger vessel or oceangoing ship shall not release, or permit anyone to release, from the vessel, hazardous waste, other waste, or oily bilgewater into the marine waters of the state or a marine sanctuary.

(c)

An owner or operator of an oceangoing ship with sufficient holding tank capacity shall not release, or permit anyone to release, from the vessel, graywater into the marine waters of the state or a marine sanctuary.