Commonwealth of the Northern Mariana Islands NPDES Permits

EPA’s Pacific Southwest (Region 9) implements and enforces federal environmental laws in Arizona, California, Hawaii, Nevada, the Pacific Islands, and 148 Tribal Nations.

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.

Draft Permits

Draft NPDES Permits in the Commonwealth of Northern Mariana Islands
Facility or Permit Name	Location	Permit Number	Permit Status
Managaha Island Wastewater Treatment Plant Commonwealth of the Northern Mariana Islands - Dept of Public Lands	Saipan	MP0020371	Draft

Final Permits

Final 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 Commonwealth of the Northern Mariana Islands - Dept of Public Lands	Saipan	MP0020371	Final	2021/08/11	2024/04/30
Mobil Oil Saipan Terminal Mobil Oil Mariana Islands, Inc.	Saipan	MP0020397	Final	2018/05/01	2023/04/30
Island of Saipan MS4 Commonwealth of the Northern Mariana Islands	Saipan	MPS040000	Final	2006/09/22	2011/09/21
Sadog Tasi Wastewater Treatment Plant Commonwealth Utilities Corp.	Saipan	MP0020010	Final	2023/08/01	2028/07/31
Agingan Wastewater Treatment Plant Commonwealth Utilities Corp.	Saipan	MP0020028	Final	2023/08/01	2028/07/31

Public Notice

Proposed Reissuance of NPDES Permit No. MP0020371; Managaha Island Wastewater Treatment Plant, CNMI

EPA Region 9 is issuing notice of a proposed action to issue a NPDES permit for the Managaha Island Wastewater Treatment Plant on Managaha Island in the Commonwealth of the Northern Mariana Islands (CNMI) under NPDES Permit No. MP0020371.
- Comments Due Date: January 22, 2025
- Geographic Locations: Southwest, Northern Mariana Islands

Contacts

Wastewater: Rachel Le
[email protected]
(213) 244-1805

Stormwater: Eugene Bromley
[email protected]
(415) 972-3510