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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 tables 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.

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Draft NPDES Permits in the Commonwealth of Northern Mariana Islands

Facility or Permit Name Location Permit Number Permit Status
There currently are no draft NPDES permits available for review.      

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NPDES Permits Issued by EPA in the Commonwealth of Northern Mariana Islands

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 5/1/2019 4/30/2024
Mobil Oil Saipan Terminal
Mobil Oil Mariana Islands, Inc.
Saipan MP0020397 Final 5/1/2018 4/30/2023
Island of Saipan MS4
Commonwealth of the Northern Mariana Islands
Saipan MPS040000 Final 9/22/2006 9/21/2011
Sadog Tasi Wastewater Treatment Plant
Commonwealth Utilities Corp.
Saipan MP0020010 Final 5/1/2017 4/30/2022
Agingan Wastewater Treatment Plant
Commonwealth Utilities Corp.
Saipan MP0020028 Final 5/1/2017 4/30/2022