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Support Documents for the NPDES General Permit for Offshore Oil and Gas Operations in the Western Gulf of Mexico (NPDES GMG290000)

The final National Pollutant Discharge Elimination System (NPDES) General Permit No. GMG290000 for existing and new sources and new dischargers in the Offshore Subcategory of the Oil and Gas Extraction Point Source Category, located in and discharging to the Outer Continental Shelf offshore of Louisiana and Texas was reissued on September 19, 2017, with an effective date of October 1, 2017. Permittees covered by the previous version of the permit that expires on September 30, 2017, will be automatically covered by the reissued permit starting October 1, 2017, until April 1, 2018, but must submit an electronic Notice of Intent by April 1, 2018, to continue coverage past that date.

These documents support EPA's decision to reissue the NDPES General Permit for Offshore Oil and Gas Operations in the Western Gulf of Mexico (NPDES GMG290000).

For more information about this page please contact:

Regional Coordinator and Enforcement Officer

Mitty Mohon (, 214-665-6497

Offshore Specialist

Sharon Angove (, 214-665-6472
Fax: 214-665-2168
Note: Sharon handles general permit applications and processing of Discharge Monitoring Reports.

Offshore Permit Writer

Isaac Chen (, 214-665-7364
Note: Contact Isaac for all non-enforcement questions.

Mailing Address

For Notices of Intent (NOIs), Notices of Termination (NOTs), or Discharge Monitoring Reports (DMRs):
U.S. Environmental Protection Agency
NPDES Water Compliance Section
Attn: Ms. Sharon Angove (6EN-WC)
1445 Ross Ave., Suite 1200
Dallas, TX 75202-2733

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