| AC-FT |
Acre-feet |
| ASA |
American Sportfishing Association |
| BES |
Bureau of Environmental Services |
| B-IBI |
Benthic – Index of Biotic Integrity |
| BMP |
Best Management Practice |
| CAFO |
Confined Animal Feeding Operations |
| CCSWCD |
Clackamas County Soil and Water Conservation District |
| Cfs |
Cubic Feet per Second |
| CIP |
Capital Improvement Project |
| CSO |
Combined Sewer Overflow |
| CWA |
Clean Water Act |
| Dbh |
Diameter at breast height |
| DEQ |
Department of Environmental Quality |
| DO |
Dissolved Oxygen |
| DDE |
Breakdown component of pesticide DDT |
| DDD |
Breakdown component of pesticide DDT |
| DDT |
Pesticide (1,1,1-trichloro-2, 2-bis (p-chlorophenyl) ethane) |
| EDT |
Ecosystem Diagnostic & Treatment |
| EMSWCD |
East Multnomah Soil & Water Conservation District |
| EPA |
Environmental Protection Agency |
| EPSC |
Erosion Prevention and Sediment Control |
| EPT |
Ephemeroptera, Plecoptera, and Tricotera |
| ESA |
Endangered Species Act |
| ESRA |
Environmentally Sensitive Restoration Area |
| ESU |
Evolutionarily Significant Unit |
| FEMA |
Federal Emergency Management Agency |
| FLIR |
Forward Looking Infrared Radar |
| FWS |
Fall, Winter, and Spring |
| GIS |
Geographic Information System |
| IBI |
Index of Biotic Integrity |
| JCCC |
Johnson Creek Corridor Committee |
| JCJCCC |
Johnson Creek Joint Culvert Crossing Committee |
| JCWC |
Johnson Creek Watershed Council |
| JLA |
Jeanne Lawson Associates, Inc. |
| LWD |
Large Woody Debris |
| MS4 |
Municipal Separate Storm Sewer System |
| Msl |
Mean Sea Level |
| NMFS |
National Marine Fisheries Service (now NOAA Fisheries) |
| NOAA |
National Oceanic and Atmospheric Agency |
| NPDES |
National Pollutant Discharge Elimination System |
| OAR |
Oregon Administrative Rules |
| ODA |
Oregon Department of Agriculture |
| ODFW |
Oregon Department of Fish & Wildlife |
| ODOT |
Oregon Department of Transportation |
| OWEB |
Oregon Watershed Enhancement Board |
| OWRD |
Oregon Water Resources Department |
| OWQI |
Oregon Water Quality Index |
| PAH |
Polycyclic Aromatic Hydrocarbon |
| PCB |
Polychlorinated biphenyls |
| PFC |
Properly Functioning Condition |
| PoWER |
Partnership for Willamette Ecosystem Restoration |
| RLIS |
Regional Land Information System |
| RM |
River Mile |
| 4SOS |
For the Sake Of the Salmon |
| SOWS |
Save Our Wild Salmon |
| STEP |
Salmon and Trout Enhancement Program |
| TAC |
Technical Advisory Committee |
| TMDL |
Total Maximum Daily Load |
| TOC |
Total Organic Carbon |
| TP |
Total Phosphorus |
| TSS |
Total Suspended Solids |
| UGB |
Urban Growth Boundary |
| UIC |
Underground Injection Control |
| USDA |
U.S. Department of Agriculture |
| USFWS |
U.S. Fish & Wildlife Service |
| USGS |
U.S. Geological Survey |
| VGI |
Vigil-Agrimis, Inc. |
| WES |
Water Environment Services |
| WPA |
Works Progress Administration |
| WPCF |
Water Pollution Control Facility |
| WWTP |
Wastewater Treatment Plant |
| WY |
Water Year |