| R2-2018-0003 | Order No. R2-2018-0003 Waste Discharge Requirements for Central Marin Sanitation Agency Wastewater Treatment Plant, San Rafael Sanitation District Wastewater Collection System, Sanitary District No. I of Marin County Wastewater Collection System, and Sanitary District No. 2 of Marin County Wastewater Collection System | Permit | Marin County | January | 2018 |
| R2-2015-0029 | Order No. R2-2015-0029 Waste Discharge Requirements for Town of Yountville, Yountville Wastewater Reclamation Facilties and its Wastewater Collection System | Permit | Napa County | June | 2015 |
| R2-2018-0006 | Order No. R2-2018-0006 Updated Waste Discharge Requirements and Rescission of Order No. R2-2002-0007 for The Dow Chemical Company, Pittsburg Facility | Rescission | Contra Costa County | February | 2018 |
| R2-2018-0004 | Order No. R2-2018-0004 Waste Discharge Requirements for City of Pinole, Pinole-Hercules Water Pollution Control Plant and its Collection System | Permit | Contra Costa County | February | 2018 |
| R2-2018-0009 | Order No. R2-2018-0009 General Waste Discharge Requirements and Water Quality Certification for Construction and Maintenance of Overwater Structures, San Francisco Bay | Permit | Various | February | 2018 |
| R2-2018-0008 | Order No. R2-2018-0008 Adoption of Initial Study and Mitigated Declaration for General Waste Discharge Requirements and Water Quality Certification for The Construction and Maintenance of Overwater Structures in San Francisco Bay | Resolution | Various | February | 2018 |
| R2-2018-0005 | Order No. R2-2018-0005 Waste Discharge Requirements for Silicon Valley Clean Water Wastewater Treatment Plant and its Wastewater Collection System | Permit | San Mateo County | February | 2018 |
| R2-2018-1001 | Order No. R2-2018-1001 Settlement Agreement and Stipulation for Entry of Administrative Civil Liability for Equilon Enterprises LLC, dba Shell Oil Products, US, Shell Martinez Refinery Wastewater Treatment Plant | Enforcement | Contra Costa County | March | 2018 |
| R2-2018-1002 | Order No. R2-2018-1002 Settlement Agreement and Stipulation for Entry of Administrative Civil Liability for Super Store Industries | Enforcement | Solano County | March | 2018 |
| R2-2018-1003 | Order No. R2-2018-1003 Settlement Agreement and Stipulation for Entry of Administrative Civil Liability for Issac Munoz | Enforcement | Santa Clara County | March | 2018 |
