EPA has issued a proposed rule that establishes a no discharge zone (NDZ) for sewage discharges from large passenger vessels and certain oceangoing vessels for California state marine waters. 75 Fed. Reg. 53,914 (9/2/10). The proposal is in response to the California Water Resources Control Board’s application requesting establishment of the NDZ.  

The proposed NDZ would apply to large passenger vessels and large oceangoing vessels with two or more days of sewage-holding capacity. California marine waters would include “the territorial sea” that extends seaward a distance of three miles and all enclosed bays and estuaries subject to tidal influences from the Oregon border to the Mexican border. EPA will accept comments on the proposal until November 1, 2010.