| ACHP | Advisory Council on Historic Preservation |
| APE | Area of Potential Effects |
| BCDC | San Francisco Bay Conservation & Development Commission |
| BDA | Beaver Dam Analogue, or Beaver Dam Analog |
| BiOp | Biological Opinion |
| BO | Biological Opinion |
| Caltrans | California Department of Transportation |
| CASQA | California Stormwater Quality Association |
| CCR | California Code of Regulations |
| CD | Consistency Determination |
| CDFW | California Department of Fish and Wildlife |
| CDP | Coastal Development Permit |
| CE | Categorical Exemption (CEQA) or Categorical Exclusion (NEPA) |
| CEQ | Council on Environmental Quality |
| CEQA | California Environmental Quality Act |
| CESA | California Endangered Species Act |
| CFR | Code of Federal Regulations |
| CGP | Construction General Permit |
| CNDDB | California Natural Diversity Database |
| Corps | U.S. Army Corps of Engineers |
| CP | Categorical Permission |
| CRP | Community-based Restoration Program |
| CWA | Clean Water Act |
| CZMA | Coastal Zone Management Act |
| DPS | distinct population segment |
| EA | Environmental Assessment (NEPA) |
| EFH | Essential Fish Habitat |
| EIR | Environmental Impact Report (CEQA) |
| EIS | Environmental Impact Statement (NEPA) |
| ESA | federal Endangered Species Act |
| Flood Board | Central Valley Flood Protection Board |
| FONSI | Finding of No Significant Impact (NEPA) |
| FRGP | Fisheries Restoration Grant Program |
| FWO | Fish and Wildlife Office also known as a “Field Office.” |
| GPM | General Protection Measure |
| HREA | Habitat Restoration and Enhancement Act |
| IPaC | Information for Planning and Consultation |
| LAA | Likely to adversely affect |
| LSAA | Lake & Streambed Alteration Agreement |
| LTPBR | Low-tech process-based restoration |
| NEPA | National Environmental Protection Act |
| NHPA | National Historic Preservation Act |
| NLAA | Not likely to adversely affect |
| NMFS | National Marine Fisheries Service |
| NOA | Notice of Applicability |
| NOAA | National Oceanic and Atmospheric Administration |
| NOE | Notice of Exemption (re: CEQA) or Notice of Exclusion (re: a General Order) |
| NOI | Notice of Intent |
| NRCS | Natural Resources Conservation Service |
| NRHP | National Register of Historic Places |
| NWP | Nationwide permit |
| OHP | Office of Historic Preservation |
| PBO | Programmatic Biological Opinion |
| PBR | Process-based restoration |
| PEIR | Programmatic Environmental Impact Report |
| PIR | Partners in Restoration |
| PSN | Proposal Solicitation Notice |
| QSD | Qualified SWPPP Developer |
| RC | NOAA’s Restoration Center |
| RCD | Resource Conservation District |
| RFMP | Regional Flood Management Program |
| RGP | Regional General Permit |
| RMP | Restoration Management Permit |
| RWQCB | Regional Water Quality Control Board |
| SHPO | State Historic Preservation Officer |
| SOPA | Schedule of Proposed Actions (NEPA) |
| SRGO | Statewide Habitat Restoration General Order |
| SSC | Species of Special Concern |
| SWPPP | Storm Water Pollution Prevention Plan |
| SWRCB | State Water Resources Control Board |
| THPO | Tribal Historic Preservation Officer |
| USACE | U.S. Army Corps of Engineers |
| USFWS | U.S. Fish and Wildlife Service |
| WDRs | Waste Discharge Requirements |
| WOTS | Waters of the State |
| WOTUS | Waters of the United States |