Rhode Island NPDES Permits
Authorization: The state of Rhode Island has assumed the NPDES program from the federal government. The state issues its permits through the Rhode Island Department of Environmental Protection.
On this page:
- Draft General Permits
- Final General Permits
- EPA New England Issued Permits for Tribal Lands
- Terminated Permits
On other pages:
- Rhode Island Draft Individual Permits
- Rhode Island Final Individual Permits
- EPA NPDES Permit Forms & Attachments for New England
- NPDES Water Permit Program in New England
- NPDES Stormwater Permit Program in New England
- View NPDES Permits for All States
Draft General Permits
- 2024 Draft RIPDES General Permit for Non-Contact Cooling Water Discharges - RIG250000 (pdf)
- 2024 Draft RIPDES Multi-Sector General Permit for Stormwater Discharges Associated with Industrial Activity (Excluding Construction Activity) - RIR500000 (pdf)
- 2024 Draft 2024 RIPDES Remediation General Permit - RIG850000 (pdf)
- 2022 Draft RIPDES Pesticide General Permit (PGP) for Discharges from the Application of Pesticides - RIG870000 (pdf)
- 2018 Draft RIPDES General Permit for Stormwater Discharge Associated with Construction Activity (pdf)
Final General Permits
Final General Permits Issued by EPA
- 2022 Construction General Permit (CGP)
- 2021 Multi-Sector General Permit (MSGP)
- 2014 Small Vessel General Permit (sVGP)
- 2013 Vessel General Permit (VGP)
Final General Permits Issued by the State of Rhode Island
- 2026 RIPDES General Permit for Stormwater Discharges in the Mashapaug Watershed - RIR060000 (pdf)
Effective: 04/01/2026 - 2024 RIPDES Multi-Sector General Permit Stormwater Discharge Associated with Industrial Activity (Excluding Construction Activity) - RIR500000 (pdf)
Effective: 09/01/2024- 2019 RIPDES Multi-Sector General Permit Storm Water Discharge Associated with Industrial Activity (excluding Construction Activity) - RIR500000 (pdf)
Effective: 05/03/2019 - 2013 RIPDES Multi-Sector General Permit Storm Water Discharge Associated with Industrial Activity (excluding Construction Activity) - RIR500000 (pdf)
Effective: 08/15/2013
- 2019 RIPDES Multi-Sector General Permit Storm Water Discharge Associated with Industrial Activity (excluding Construction Activity) - RIR500000 (pdf)
- 2024 RIPDES Remediation General Permit - RIG850000 (pdf)
Effective: 07/01/2024- 2019 RIPDES Remediation General Permit - RIG850000 (pdf)
Effective: 05/23/2019
- 2019 RIPDES Remediation General Permit - RIG850000 (pdf)
- RIPDES Pesticide General Permit for Discharges from the Application of Pesticides - RIG870000 (pdf)
Effective: 11/22/2022 - RIPDES General Permit Storm Water Discharge Associated with Construction Activity - RIR100000 (pdf)
Effective: 09/26/2020 - RIPDES Non-Contact Cooling Water General Permit - RIG250000 (pdf)
Effective: 03/01/2019 - RIPDES Small MS4s General Permit - RIR040000 (pdf)
Effective: 12/18/2003 (Admin Continued)
EPA New England Issued Permits for Tribal Lands
Terminated Permits
Note that links in the table below open in new browser windows/tabs.
| City / Town (Watershed) | Applicant / Facility Name | Permit Number | Termination Date |
|---|---|---|---|
| Coventry (South Branch of Pawtuxet River) | Rhodes Technologies (pdf) | RI0023868 | 12/04/2020 |
| East Providence (Ten Mile River) | Getty Terminals Corporation (pdf) | RI0001651 | 03/16/2016 |
| Fiskeville (North Branch of Pawtuxet River/Class B) | Arkwright Advanced Coating Incorporated (pdf) | RI0000035 | 10/19/2021 |
| Hope Valley (Wood River) | Coastal Plastics, Inc. (pdf) | RI0022080 | 06/30/2019 |
| Lincoln (Unnamed Stream Tributary to the Moshassuck River) | Materion Technical Materials, Inc. (pdf) | RI0023906 | 12/04/2020 |
| Newport (Coddington Cove & Narragansett Bay) | Naval Undersea Warfare Center Note: No formal letter was issued for the Naval Undersea Warfare Center permit. The facility confirmed that it did not intend to reapply for its permit, and the permit was administratively ended in ICIS. | NA | 12/23/2018 |
| North Kingstown (Hunt River) | Precision Park (pdf) | RI0000051 | 08/11/2016 |
| Pawtucket (Seekonk River/SB1(a)) | NBC Phase III CSO Program - Pawtucket Tunnel Construction Dewatering Site (pdf) | RI0023990 | 06/07/2024 |
| Pawtucket (Moshassuck River/Class B{a}) | Pawtucket Power Associates, LP (pdf) | RI0021741 | 07/19/2021 |
| Portsmouth (Narragansett Bay -East Passage (Waterbody ID – RI0007029E-01D)) | Defense Fuel Support Point, Melville Fuel Depot (pdf) | RI0020150 | 05/21/2025 |
| Providence (Providence River) | Brown University - School of Engineering Buildings (pdf) | RI0023957 | 07/20/2017 |
| Providence (Providence River) | Creative Arts Center & Brown University Office Building (pdf) | RI0023892 | 03/30/2017 |
| Providence (Providence River) | Lehigh Northeast Cement Company (pdf) | RI0001643 | 03/14/2016 |
| Woonsocket (Blackstone River B1) | Woonsocket WTP (pdf) | RI0001627 | 10/13/2021 |
Please note that stormwater permit information is available at our NPDES Stormwater Permit Program in New England page.