Proposed Reissuance of the NPDES General Permit for the Western Portion of the Outer Continental Shelf of the Gulf of Mexico (GMG290000)

Riepilogo

The Regional Administrator of Region 6 today proposes to reissue the National Pollutant Discharge Elimination System (NPDES) general permit for the Western Portion of the Outer Continental Shelf of the Gulf of Mexico (No. GMG290000) for discharges from existing and new dischargers and New Sources in the Offshore Subcategory of the Oil and Gas Extraction Point Source Category as authorized by section 402 of the Clean Water Act. The permit, previously reissued on October 7, 2004, and published in the Federal Register at 69 FR 60150, authorizes discharges from exploration, development, production, and transmission facilities located in and discharging to Federal waters of the Gulf of Mexico seaward of the outer boundary of the territorial seas off Louisiana and Texas. Discharges of produced water to Federal waters from facilities located in the territorial seas are also authorized when all conditions of the permit are met. The following changes to the expiring permit are proposed to be made as a part of the permit reissuance. Requirements to comply with new cooling water intake structure regulations are included. Sub-lethal effects are required to be measured for whole effluent toxici