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

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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 April 19, 1999, published in the Federal Register at 64 FR 19156, authorizes discharges from exploration, development, and production 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: The time frame is specified for collection of a produced water sample after a sheen is observed. The discharge prohibitions at National Marine Sanctuaries are clarified in an attem