| AgencyCode | AgencyName |
| 2NDNATURE | 2NDNATURE, LLC |
| ABALONE | Abalone Coast Analytical |
| AECOM | AECOM |
| Not Recorded | Agency Not Recorded |
| APPL | Agriculture & Priority Pollutants Laboratories, Inc |
| ACCWP | Alameda Countywide Clean Water Program |
| Algalita | Algalita |
| ALPHA | Alpha Analytical, Inc. |
| AWG | Alpine Watershed Group |
| ALS | ALS Laboratory Group |
| AMEC | AMEC Environment & Infrastructure |
| ARC | American River Conservancy |
| AnchorQEA | Anchor QEA |
| AMS-CA | Applied Marine Sciences, Inc. California |
| AquaSci | AquaScience |
| ABCL | Aquatic Bioassay and Consulting Laboratories, Inc. |
| ABL_Chico | Aquatic Bioassessment Lab - Chico |
| DFW-ABL | Aquatic Bioassessment Lab - DFW |
| ABA | Aquatic Biology Associates, Inc. |
| AET | Aquatic EcoTechnologies, LLC |
| DFW-ATL | Aquatic Toxicology Laboratory |
| ALA | Arrowhead Lake Association |
| AssocLabs | Associated Laboratories |
| AXYS | AXYS Analytical Services Ltd. |
| BBL | B and B Laboratories, Inc. |
| Babcock | Babcock Laboratories |
| Babcock_ElCentro | Babcock Laboratories, El Centro |
| BAL | Basic Laboratory, Inc. |
| Battelle-MA | Battelle Marine Sciences Laboratory - MA |
| Battelle-WA | Battelle Marine Sciences Laboratory - WA |
| BCWC | Battle Creek Watershed Conservancy |
| BADA | Bay Area Dischargers' Association - Local Effects Monitoring |
| BCL | BC Laboratories, Inc. |
| BendGX | Bend Genetics LLC |
| BBMWD | Big Bear Municipal Water District |
| BVB_Pomo | Big Valley Band of Pomo Indians |
| BAS | BioAssessment Services |
| BiovirLab | Biovir Laboratories |
| BRL | Brelje and Race Laboratories, Inc. |
| BR | Brooks Rand Labs |
| BRWNCALD | Brown and Caldwell |
| BSA_Env | BSA Environmental Servises, Inc. |
| BSK | BSK Analytical Laboratory |
| BVC | Buena Vista Coalition |
| BVWSD | Buena Vista Water Storage District |
| CASG-MLML | CA Sea Grant at Moss Landing Marine Laboratories |
| CAD_TWG | California Algae and Diatom Taxonomic Working Group |
| CDFA | California Department of Food and Agriculture, Center for Analytical Chemistry |
| CADeptParksGFD | California Department of Parks and Recreation - Gold Fields District |
| DPR | California Department of Pesticide Regulation |
| Caltrans | California Department of Transportation |
| DWR-ND | California Department of Water Resources, Northern District |
| CLS | California Laboratories Services |
| CalPoly_SLO | California Polytechnic State University San Luis Obispo |
| CalPoly_HSU | California Polytechnic State University, Humboldt |
| CRC | California Rice Commission |
| CSULB-IIRMES | California State University Long Beach Institute for Integrated Research in Materials, Environments, and Society |
| CSULB-SEAL | California State University Long Beach Stream Ecology and Assessment Laboratory |
| CSUMB-WEE | California State University Monterey Bay Watershed Environment and Ecology Lab |
| CSUSB | California State University San Bernardino |
| CSUSM | California State University, San Marcos |
| CSUStan-CL | California State University, Stanislaus - Cover Lab |
| CalTrout | California Trout |
| CALSCI | CalScience Laboratories |
| CALTEST | CalTest Analytical Laboratory |
| CASC_Eng | CASC Engineering |
| CWD | Cawelo Water District |
| CDMS | CDM Smith |
| CELA | CEL Analytical, Inc |
| CCWQP | Central Coast Water Quality Preservation, Inc. |
| CCWG-MLML | Central Coast Wetlands Group at Moss Landing Marine Labs |
| CCCSD | Central Contra Costa Sanitary District |
| CH2MHILL | CH2M HILL |
| CINC | Channel Islands Neighborhood Council |
| CCSF | City and County of San Francisco |
| LBCPW | City of Long Beach Public Works |
| CLAEMD | City of Los Angeles, Environmental Monitoring Division |
| COXLSP | City of Oxnard Laboratory Services Program |
| CPL | City of Porterville Laboratory |
| CSD | City of San Diego |
| CSJ | City of San Jose Water Pollution Control Plant |
| CYC | City of Yuba City Water/Wastewater Laboratory |
| CLERC | Clear Lake Environmental Research Center |
| CURES | Coalition for Urban/Rural Environmental Stewardship |
| CAS | Columbia Analytical Services |
| Cranmer | Cranmer Engineering Inc |
| CEL | Creek Environmental Laboratories, Inc. |
| CRGML | CRG Marine Laboratories, Inc. |
| DCE | Dancing Coyote Environmental |
| DataChem | DataChem Laboratories, Inc |
| LABQA | default setting for lab generated QA samples |
| DDLV | Dellavalle Laboratory, Inc. |
| DeltaEnv | Delta Environmental Lab |
| DEL-TECH | Del-Tech Geotechnical Support Services |
| DFW | Department of Fish and Wildlife |
| DFW-Belden | Department of Fish and Wildlife Belden Office |
| DFW-LOSALA | Department of Fish and Wildlife Los Alamitos Office |
| DFW-Portola | Department of Fish and Wildlife Portola Office |
| DFW-RED | Department of Fish and Wildlife Redding Office |
| DFW-SanDiego | Department of Fish and Wildlife San Diego Office |
| DFW-Weave | Department of Fish and Wildlife Weaverville Office |
| DFW-Yreka | Department of Fish and Wildlife Yreka Office |
| DWR | Department of Water Resources - Sacramento Office |
| DWR-BRYTE | Department of Water Resources Bryte Analytical Laboratory |
| DWR-SCRO | Department of Water Resources, South Central Region Office |
| Dionex | Dionex |
| Risebrough | Dr. Robert Risebrough's laboratory at the UCB Richmond Field Station |
| DCC | Dry Creek Conservancy |
| DUDEK_Encinitas | Dudek Environmental and Engineering, Encinitas |
| EagleLkGuard | Eagle Lake Guardians |
| EBMUD | East Bay Municipal Utility District |
| EBRPD | East Bay Regional Park District |
| EcoAnalysts | EcoAnalysts, Inc |
| EDTU | El Dorado Trout Unlimited |
| eli | elimnology, Inc. |
| ENTHALPY_SanDiego | Enthalpy Analytical, Inc., San Diego |
| EMA | Environmental Micro Analysis |
| UCD-EQL | Environmental Quality Laboratory |
| EOA | EOA, Inc. |
| EPA-R9 | EPA Region 9 Lab |
| EuroFins | EuroFins |
| EXADMS | Exa Data & Mapping Services |
| ExcelChem | Excelchem Environmental Labs |
| FRCRM | Feather River Coordinated Resource Management Group |
| FISHBIO | FISHBIO |
| FFC | Fishery Foundation of California |
| Fordham | Fordham University |
| FDC | Friends of Deer Creek |
| Frog | Frog Environmental |
| FGS | Frontier Geosciences, Inc. |
| FGLE | Fruit Growers Lab (FGL Environmental) |
| GERG | Geochemical and Environmental Research Group |
| GCSU | Georgia College and State University |
| Geosyntec_Sac | Geosyntec Consultants, Sacramento |
| GRRCD | Gold Ridge RDC |
| GLC | Goose Lake Coalition |
| GBP | Grassland Bypass Project |
| GHWRMC-1415 | Greater Harbor Waters Regional Monitoring Coalition 2014/15 |
| GVLR | Green Valley Lake Recreation |
| HSWL | High Sierra Water Laboratory |
| HSU-SL | Humboldt State University Department of Biological Sciences Shaunghnessy Lab |
| ICF-Sacramento | ICF Sacramento |
| ICF-San Diego | ICF San Diego |
| IBCity | Imperial Beach City |
| ICARE | Institute for Conservation, Advocacy, Research, and Education (ICARE) |
| IERS | Integrated Environmental Restoration Services |
| InyoCounty | Inyo County |
| ICEHD | Inyo County Environmental Health Department |
| JLLCV | June Lake Loop Citizen Volunteers |
| KBWQA | Kaweah Basin Water Quality Association |
| Kaweah SW | Kaweah River Sub-Watershed |
| Kern SW | Kern River Sub-Watershed |
| KERNRWCA | Kern River Watershed Coalition Authority |
| KIFF | KIFF Analytical |
| KRCD | Kings River Conservation District |
| Kings SW | Kings River Sub-Watershed |
| KINGSRWCA | Kings River Watershed Coalition Authority |
| Kleinfelder | Kleinfelder |
| LCWRD | Lake County Water Resources Department |
| LEC | Lake Elsinor City |
| LESJWA | Lake Elsinore and San Jacinto Watershed Authority |
| Laragen | Laragen Sequencing, Inc. |
| LWA | Larry Walker Associates |
| LTSLT | League to Save Lake Tahoe |
| LBCSMD | Long Beach City Stormwater Management Division |
| MPSL-DFW | Marine Pollution Studies Laboratory-DFW |
| MPSL-MLML | Marine Pollution Studies Laboratory-MLML |
| MCA | McCampbell Analytical Inc. |
| MEC | MEC Analytical Systems |
| MERID | Merced Irrigation District |
| MERKELINC | Merkel and Associates Inc |
| MLJ-LLC | Michael L. Johnson, LLC |
| Michelson | Michelson Laboratories, Inc |
| MCU | Modesto City Utilities |
| MODID | Modesto Irrigation District |
| ModocRCD | Modoc Resource Conservation District |
| MBAS | Monterey Bay Analytical Services |
| MBARI-JL | Monterey Bay Aquarium Research Institute; Marine Chemistry Department Johnson Laboratory |
| MBNMS | Monterey Bay National Marine Sanctuary |
| MTA | Moore Twining Associates, Inc. |
| MBNEP | Morro Bay National Estuary Program |
| MLML_Oakden | Moss Landing Marine Laboratories - Oakden Lab |
| MLML-BL | Moss Landing Marine Laboratories-Benthic Lab |
| MLML-TM | Moss Landing Marine Laboratories-Trace Metals Lab |
| MWH | MWH Laboratories |
| NAPARCD | Napa County Resource Conservation District |
| NAMC | National Aquatic Monitoring Center |
| NAUT | Nautilus Environmental |
| NELL | NEL Laboratories |
| NTCD | Nevada Tahoe Conservation District |
| NSR | North State Resources, Inc. |
| NECWA | Northeastern California Water Association |
| NAU | Northern Arizona University |
| NCNRCD | Northern California-Nevada Resource Conservation District |
| NorthStar | NorthStar Engineering |
| NV5_Long Beach | NV5 Long Beach Office |
| NV5_Oceanside | NV5 Oceanside Office |
| OID | Oakdale Irrigation District |
| OCPW | Orange County Public Works |
| OCWR | Orange County Waste and Recycling |
| OSU-Zoo | Oregon State University, Department of Zoology |
| OXN_PW | Oxnard City, Department of Public Works |
| PCAS | Pacific Coast Analytical Services |
| PER | Pacific Ecorisk |
| PGE-San Ramon | Pacific Gas and Electric San Ramon |
| PacifiCorp | PacifiCorp |
| PVPWMG | Palos Verdes Peninsula Watershed Management Group |
| PDD | Panoche Drainage District |
| PHYSIS | PHYSIS Environmental Laboratories, Inc. |
| PNSSNS | PNSSNS Subwatershed Group |
| PTS | PTS Laboratories |
| PCWG | Putah Creek Watershed Group |
| Rhithron | Rhithron Associates, Inc. |
| RCFC | Riverside County Flood Control |
| RBI | Robertson-Bryan, Inc. |
| RWQCB1 | RWQCB1-North Coast Region |
| RWQCB2 | RWQCB2-San Francisco Bay Region |
| RWQCB3 | RWQCB3-Central Coast Region |
| RWQCB4 | RWQCB4-Los Angeles Region |
| RWQCB5 | RWQCB5-Central Valley Region |
| RWQCB5F | RWQCB5-Central Valley Region (Fresno) |
| RWQCB5R | RWQCB5-Central Valley Region (Redding) |
| RWQCB5S | RWQCB5-Central Valley Region (Sacramento) |
| RWQCB6 | RWQCB6-Lahontan Region |
| RWQCB7 | RWQCB7-Colorado River Basin Region |
| RWQCB8 | RWQCB8-Santa Ana Region |
| RWQCB9 | RWQCB9-San Diego Region |
| CIWQS 39410 | Sacramento City |
| SMUD | Sacramento Municipal Utility District |
| SVWQC | Sacramento Valley Water Quality Coalition |
| SBC | San Bernardino County |
| SBCP | San Bernardino County Parks |
| SDRPF | San Diego River Park Foundation |
| SFEI | San Francisco Estuary Institute |
| SFSU-RTC | San Francisco State University - Romberg Tiburon Center |
| SJVDA | San Joaquin Valley Drainage Authority |
| SLWD | San Luis Water District |
| SMCWPPP | San Mateo Countyside Water Pollution Prevention Program |
| SCVURPPP | Santa Clara Valley Urban Runoff Pollution Prevention Program |
| SCVWD | Santa Clara Valley Water District |
| SAL | Sequoia Analytical Laboratories, Inc. |
| SVRCD | Shasta Valley Resource Conservation District |
| SEM | Sierra Environmental Monitoring, Inc. |
| SFL | Sierra Foothill Laboratory, Inc. |
| SNARL | Sierra Nevada Aquatic Research Laboratory |
| SPI-Redding | Sierra Pacific Industries - Redding |
| SSI_FDC | Sierra Streams Institute |
| SLKR | Silliker, Inc. |
| SilverState | Silver State Analytical Laboratories, Inc. |
| SCL | Soil Control Laboratory |
| Solono RDC | Solano Resource Conservation District |
| SCAPOSD | Sonoma County Agricultural Preservation and Open Space District |
| SDAL | South Dakota Agricultural Laboratories |
| SSJID | South San Joaquin Irrigation District |
| STPUDL | South Tahoe Public Utility District Laboratory |
| SCAMIT | Southern California Association of Marine Invertebrate Taxonomists |
| SCCWRP | Southern California Coastal Water Research Project |
| SIU | Southern Illinois University |
| SSJWQC | Southern San Joaquin Water Quality Coalition |
| SAFIT | Southwest Association of Freshwater Invertebrate Taxonomists |
| SRES | Spring Rivers Ecological Sciences |
| SVLA | Spring Valley Lake Association |
| SWRCB | State Water Resources Control Board |
| SWRCB-SWAMP-BOG | State Water Resources Control Board - Surface Water Ambient Monitoring Program - Bioaccumulation Oversight Program |
| SWRCB-SWAMP-CHAB | State Water Resources Control Board - Surface Water Ambient Monitoring Program - Cyanobacteria Harmful Algal Bloom Monitoring Program |
| SWRCB-SWAMP-EPA-NS | State Water Resources Control Board - Surface Water Ambient Monitoring Program - EPA National Surveys Participation |
| SWRCB-SWAMP-PSA | State Water Resources Control Board - Surface Water Ambient Monitoring Program - Perennial Streams Assessment |
| SWRCB-SWAMP-RCMP | State Water Resources Control Board - Surface Water Ambient Monitoring Program - Reference Condition Management Program |
| SWRCB-SWAMP-SPoT | State Water Resources Control Board - Surface Water Ambient Monitoring Program - Stream Pollution Trends Monitoring Program |
| SRH | Steve Hanson and Associates |
| SWS | Stillwater Sciences |
| SEWD | Stockton East Water District |
| SETTEK | Summit Environmental Technologies, Inc |
| SunStar | SunStar Laboratories |
| SWRCB-SMC | SWRCB Stormwater Monitoring Coalition |
| TKPOA | Tahoe Keys Property Owners Association |
| TPP | Tahoe Paradise Park |
| TRPA | Tahoe Regional Planning Agency |
| TestAmerica | Test America Laboratories, Inc. |
| TNC | The Nature Conservancy |
| CSUSD-SafeWaTER | The Safe WaTER Laboratory at California State University, San Diego |
| TSF | The Sierra Fund |
| TWC | The Wildlands Conservancy |
| ToxScan | ToxScan |
| TU | Trout Unlimited |
| TRWC | Truckee River Watershed Council |
| TBWQC | Tule Basin Water Quality Coalition |
| Tule SW | Tule River Sub-Watershed |
| TuolumneRCD | Tuolumne County Resource Conservation District |
| TuolumneRT | Tuolumne River Trust |
| TID | Turlock Irrigation District |
| USBR-SCCAO | U.S. Bureau of Reclamation - SCCAO |
| USBR-NC | U.S. Bureau of Reclamation Northern California Area Office, NC 312 |
| USFWS-Arcata | U.S. Fish and Wildlife Service Arcata Fish and Wildlife Office |
| USFWS-Klamath | U.S. Fish and Wildlife Service Klamath Falls Office |
| USFS-LASSEN | U.S. Forest Service Lassen |
| USFS-MODOC | U.S. Forest Service Modoc |
| USFS-VALLEJO | U.S. Forest Service Vallejo |
| USGS-CB | U.S. Geological Survey-Carnelian Bay Field Office |
| USGS-FRESC | U.S. Geological Survey-Forest and Rangeland Ecosystem Science Center |
| USGS-MRL | U.S. Geological Survey-Mercury Research Laboratory |
| USGS-NWQL | U.S. Geological Survey-National Water Quality Laboratory |
| USGS-Scto | U.S. Geological Survey-Water Resources-Sacramento |
| USGS-WERC | U.S. Geological Survey-Western Ecological Research Center |
| NPS-Whiskeytown | U.S. National Park Service-Whiskeytown National Recreation Area |
| UCD-SIF | UC Davis Stable Isotope Facility |
| UCD-AHPL | UC Davis-Aquatic Health Program Laboratory |
| UCSD-SIO | UCSD Scripps Institution of Oceanography Oceanic |
| USD | Union Sanitary District |
| UCSB-MSI | University of California at Santa Barbara Marine Science Institute |
| UCB-WL | University of California Berkeley-Weston Lab |
| UCD-ATW | University of California Davis Atwill Lab |
| UCD-GGE | University of California Davis Graduate Group in Ecology |
| UCD-WFCB | University of California Davis Wildlife, Fish and Conservation Biology |
| UCD-WRTZ | University of California Davis Wuertz Lab |
| ZALOM | University of California Davis, Zalom Entomology Laboratory |
| UCD-ALL | University of California Davis-Aquatic Limnology Lab |
| UCD-ATL | University of California Davis-Aquatic Toxicology Lab |
| UCD-GC | University of California Davis-Granite Canyon |
| UCD-LAWR | University of California Davis-LAWR |
| UCD-TERC | University of California Davis-Tahoe Environmental Research Center |
| UCD-TATE | University of California Davis-Tate Laboratory |
| UCSB | University of California Santa Barbara |
| UCSC-OL | University of California Santa Cruz - Division of Natural Sciences |
| UCSC-DET | University of California Santa Cruz - Environmental Toxicology |
| UCSC-IMS | University of California Santa Cruz - Institute of Marine Sciences |
| UCD-AEAL | University of California-Aquatic Ecoystems Analysis Laboratory |
| UCOB | University of Colorado Boulder |
| UM-CES | University of Maryland Center for Environmental Science |
| UM-AGNR | University of Maryland, College of Agriculture and Natural Resources |
| UM-HPEL | University of Maryland, Horn Point Environmental Laboratory |
| UU-EGI | University of Utah, Energy and Geoscience Institute |
| UFRWG | Upper Feather River Watershed Group |
| UMRWC | Upper Merced River Watershed Council |
| USMILG_TPG | Upper Santa Margarita Irrigated Lands Group |
| URS | URS Corporation |
| USGS-PFRG-OCRL | US Geological Survey-Pesticide Fate Research Group (PFRG), Organic Chemistry Research Laboratory (OCRL) |
| USNPS | US National Park Service Water Resources Division |
| USU-WCMAFE | Utah State University WCMAFE |
| VCSQMP | Ventura County Stormwater Quality Monitoring Program |
| VCWPD | Ventura County Watershed Protection District |
| VESTRA | VESTRA Resources, Inc. |
| VistaIG | Vista Irrigation District |
| WRID | Walker River Irrigation District |
| DFW-WPCL | Water Pollution Control Lab - DFW |
| WKL | Weck Laboratories, Inc. |
| WCILP | Westcoast Coalition for Irrigated Lands Program |
| WETLAB | Western Environmental Testing Laboratory |
| WSRCD | Western Shasta RCD |
| WSC | Westlands Stormwater Coalition |
| WWD | Westlands Water District |
| WestonSolu | Weston Solutions |
| WSJRWC | Westside San Joaquin River Watershed Coalition |
| WWQC | Westside Water Quality Coalition |
| WRA | Wetlands Research Associates |
| WRMWSD | Wheeler Ridge-Maricopa Water Storage District |
| WRS | Willamette Research Station |
| WoodAquaticTox | Wood Aquatic Toxicology Laboratory |
| WoodGroup | Wood Group, Inc. |
| WoRMS | World Register of Marine Species |
| WSPAquaticToxSD | WSP Aquatic Toxicology Laboratory San Diego |
| WSP_SD_SkyPkwy | WSP San Diego Sky Parkway |
| WSP_SD_ToxLab | WSP San Diego Toxicology Laboratory |