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Commonwealth of the Northern Mariana Islands NPDES Permits

EPA’s Pacific Southwest (Region 9) issues all NPDES permits within the Commonwealth of the Northern Mariana Islands.

Final and Draft Permits

The table(s) below contains all final (i.e. active) and draft (i.e. proposed) NPDES permits issued by EPA’s Pacific Southwest (Region 9) within the Commonwealth of the Northern Mariana Islands. It includes permits for individual facilities, general permits, and stormwater permits. Click on the facility/permit name to view the permit and supporting documents.

Draft Permits
Facility or Permit Name Location Permit Number Permit Status
Mobil Oil Saipan Terminal
Mobil Oil Mariana Islands, Inc.
Saipan MP0020397 Draft
Power Plants 1 & 2 Oil Response
Office of Emergency Response, US EPA
Saipan MP000401 Draft

Final Permits
Facility or Permit Name Location Permit Number Permit Status Effective Date Expiration Date
Managaha Island Wastewater Treatment Plant
Tasi Tours and Transportation, Inc.
Saipan MP0020371 Final 08/01/2013 07/31/2018
Mobil Oil Saipan Terminal
Mobil Oil Mariana Islands, Inc.
Saipan MP0020397 Final 09/01/2011 08/31/2016
Island of Saipan MS4
Commonwealth of the Northern Mariana Islands
Saipan MPS040000 Final 09/22/2006 09/21/2011
Sadog Tasi Wastewater Treatment Plant
Commonwealth Utilities Corp.
Saipan MP0020010 Final 05/01/2017 04/30/2022
Agingan Wastewater Treatment Plant
Commonwealth Utilities Corp.
Saipan MP0020028 Final 05/01/2017 04/30/2022