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
| Facility or Permit Name | Location | Permit Number | Permit Status | End of Comment |
|---|---|---|---|---|
| Mobil Oil Saipan Terminal Mobil Oil Mariana Islands Inc. | Saipan | MP0020397 | Draft | May 12, 2025 |
| Managaha Island Wastewater Treatment Plant Commonwealth of the Northern Mariana Islands Department of Public Lands | Saipan | MP0020371 | Draft | January 22, 2025 |
Final Permits
| 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
Public notices related to this topic will appear here when available.
Contacts
Wastewater: Julie Song
song.julie@epa.gov
(415) 972-3035
Stormwater: Eugene Bromley
bromley.eugene@epa.gov
(415) 972-3510
EPA Pacific Southwest Resources
- Arizona Tribal Lands (excluding Navajo Nation)
- Navajo Nation Lands
(AZ, NM, UT) - California Non-Tribal
- California Tribal Lands
- Hawai'i
- Nevada
- Pacific Island Territories
- Stormwater Program
- Pretreatment Program