Table Of Content

Water Resources Data California Water Year 1993 4 Volume 2. Pacific Slope Basins from Arroyo Grande to Oregon State Line except Central Valley U.S. GEOLOGICAL SURVEY WATER-DATA REPORT CA-93-2 Prepared in cooperation with the California Department of Water Resources and with other agencies CALENDAR FOR WATER YEAR 1993 1992 OCTOBER NOVEMBER S M T W T F S S M T W T F S 12 1 2 3 3 4 5 6 7 4 5 6 7 8 9 10 8 9 10 11 12 13 14 n 11 12 13 14 15 16 17 ic 18 ]Q ^Q 21 18 19 20 21 22 23 2' 25 26 27 28 29 30 3 DATE DUE JANUARY M W S T T F 1 3 4 5 6 7 8 10 11 12 13 14 15 1 17 18 19 20 21 22 : 24 25 26 27 28 29 .' 31 APRIL M W S T T F 2 1 4 5 6 7 8 9 11 12 13 14 15 16 18 19 20 21 22 23 25 26 27 28 29 30 JULY M W 5 T T F 2 3 1 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 551 oc Water Resources Data California Water Year 993 1 Volume 2. Pacific Slope Basins from Arroyo Grande to Oregon State Line except Central Valley by J.R. Palmer, M.F. Friebel, LF. Trujillo, and K.L Markham U.S. GEOLOGICAL SURVEY WATER-DATA REPORT CA-93-2 Prepared in cooperation with the California Department of Water Resources and with other agencies DEPARTMENT OF THE INTERIOR U.S. BRUCE BABBITT, Secretary GEOLOGICAL SURVEY U.S. Gordon P. Eaton, Director For information on the water program in California write to District Chief, Water Resources Division U.S. Geological Survey Federal Building, Room W-2233 2800 Cottage Way Sacramento, CA 95825 1994 PREFACE This volume of the annual hydrologic data report of California is one of a series of annual reports that document hydrologic data gathered from the U.S. Geological Survey's surface- and ground-water data-collection networks in each State, Puerto Rico, and the Trust Territories. These records of streamflow, ground-water levels, and water quality provide the hydrologic information needed by Federal, State, and local agencies, and the private sector for developing and managing our Nation's land and water resources. Hydrologic data for California are contained in five volumes: Volume 1. Southern Great Basin from Mexican Border to Mono Lake Basin and Pacific Slope Basins from the Tijuana River to Santa Maria River Volume 2. Pacific Slope Basins from Arroyo Grande to Oregon State Line except Central Valley Volume 3. Southern Central Valley Basins and The Great Basin from Walker River to Truckee River Volume 4. Northern Central Valley Basins and The Great Basin from Honey Lake Basin to Oregon State Line Volume 5. Ground-water data This report is the culmination of a concerted effort by dedicated personnel of the U.S. Geological Survey who collected, compiled, analyzed, verified, and organized the data. In addition to the authors, who had primary responsibility for assuring that the information contained herein is accurate, complete, and adheres to U.S. Geological Survey policy and established guidelines, the individuals contributing significantly to the collection, processing, and tabulation of the data are given on page V. This report was prepared in cooperation with the California Department of Water Resources and with other agencies, under the general supervision of Michael V. Shulters District Chief, California. , Ill 30272-101 REPORT DOCUMENTATION 1. REPORT NO. S. Raclplanrt Acc*«»lon No PAGE USGS/WRD/HD-94/ 303 4. TKI< and Subtitle — S. Report Date Water Resources Data California, Water Year 1993, Volume 2 June 1994 Pacific Slope Basins from Arroyo Grande to Oregon State Line except Central Valley 7. Author(t) t. Rarformlng OnanUcatlon Rapt. No. J.R. Palmer, M.F. Friebel, L.F. Trujillo, and K.L. Markham USGS-WDR-CA-93-2 9. Parformlng Orsanlzation Nama and Addraaa >a Prelact/Taak/Worli Unit No. U.S. Geological Survey, Water Resources Division California District 11. Contract(C) or Qrant(G) No. 2800 Cottage Way, Room W-2233 <C) Sacramento, CA 95825 (G) 12. SponsoringOrganixatlon Namaand Addraat IS. Typa of Raport & Parted Covarad U.S. Geological Survey, Water Resources Division Annual~0ct. 1, 1992 to California District Sept. 30, 1993 2800 Cottage Way, Room W-2233 14. Sacramento, CA 95825 15. Supplemantary Notes Prepared in cooperation with the California Department of Water Resources and with other agencies. 16. Atwtract (Limit: 200 words) Water resources data for the 1993 water year for California consist of records of stage, discharge, and water quality of streams; stage and contents in lakes and reservoirs; and water levels and water quality in wells. Volume 2 contains discharge records for 119 streamflow-gaging stations, 1 low-flow partial-record streamflow station, and 6 miscellaneous measurement stations; stage and contents records for 6 lakes and reservoirs; precipitation records for 3 stations; and water-quality records for 31 streamflow-gaging stations. These data represent that part of the National Water Data System operated by the U.S. Geological Survey and with other agencies. 17. Document Analysis a. Descriptors ^California, *Hydrologic data, *Surface water,Water quality. Flow rate. Gaging stations. Lakes, Reservoirs, Chemical analyses, Sediment, Water temperatures. Sampling sites b. Idantlfiers/Open-Ended Terms c. COSATI Held/Group 18. Availability statemen; No restriction on distribution. 19. Security Class (This Raport) 21. No. of Pages This report may be purchased from Unclassified 412 National Technical Information Service Springfield, VA 22161 20U.nScecluaristysCilfasise(Tdhis Page) 22. Price (SeeANSI-Z39.18) See Inatrucfiona on Reverse OPTIONAL FORM 272 (4-7: (Formeriy NTIS-35) IV DepartmentofCommerce WATER RESOURCES DIVISION Anthony Buono, Assistant District Chief, South Steven J. Deverel, Assistant District Chief, North James C. Bowers, Chief, Southern California Operations James R. Mullen, Chief, Northern California Operations Steven W. Anderson, Supervisory Hydrologic Technician Wendell W. Ayers Hydrologic Technician , James B. Baker, Lead Editorial Assistant William L. Boults, Hydrologic Technician Paul A. Buchanan, Hydrologic Technician Carol L. Donovan, Editor Trudy L. Dorsey, Hydrologic Technician Patrick L. Dugle, Hydrologic Technician Laureen J. Fong-Frydendal, Hydrologic Technician Lawrence A. Freeman, Hydrologic Technician James J. Gibbons, Hydrologic Technician Terry B. Gordon, Hydrologic Technician Scott N. Hamlin, Hydrologist Stuart A. Hill, Hydrologic Technician Ernest R. Houston, Hydrologic Technician Joel D. Johnson, Hydrologist Gavin M. Kistinger, Hydrologic Aid Daniel S. Kogut, Hydrologic Technician Jon C. McNulty, Hydrologic Technician Allan C. Mlodnosky, Hydrologic Technician Christine S. O'Neil, Hydrologic Technician Carlyle T. Peck, Hydrologic Technician Lee A. Price, Hydrologic Technician Robert V. Reyes, Hydrologic Aid M. Kathy Shay, Computer Technician Kathleen L. St. Clair, Hydrologic Technician Gregory F. Susich, Hydrologic Technician Michael D. Webster, Lead Hydrologic Technician Kathy L. Wells, Hydrologic Clerk M. Kay Witter, Editorial Assistant Kevin S. Wright, Hydrologic Technician George S. Yamamoto, Scientific Illustrator Ronald P. Fogelman, Supervisory Hydrologist Lawrence A. Freeman, Hydrologic Technician Richard A. Hunrichs, Hydrologist Rick T. Iwatsubo, Biologist Robert W. Meyer, Hydrologist Robert G. Simpson, Hydrologist ..... : CONTENTS Page Preface ^^^ List of surface-water and water-tjuality stations, in dovmstream order, for which records are published in this volume IX List of discontinued gaging stations XII List of discontinued lakes and reservoirs XV List of discontinued water-quality stations XV Introduction ' Cooperation ' Summary of hydrologic conditions 2 Surface water ^ Water quality 6 Sediment ^ Hydrodynamic data for San Francisco Bay 7 Special networks and programs 7 Explanation of the records 8 Station-identification numbers 8 Downstream-order system 8 Latitude-longitude system 8 Records of stage and water discharge 8 Data collection and computation ® Data presentation ^0 Identifying estimated dally discharge 12 Accuracy of the records 12 Other records avallable 13 Records of surface-water quality 13 Classification of records 13 Arrangement of records 13 Onslte measurements and sample collection 13 Water temperature 1* Sediment 1* Cross-sectional data 1* Laboratory measurements 1* Data presentation 15 Access to WATSTORE data 15 Definition of terms 16 Publications on Techniques of Water-Resources Investigations 23 Gaging station and water-quality records *3 Remark codes *3 Discharge at partial-record stations and miscellaneous sites 385 Index 389 ILLUSTRATIONS Page Figure 1. Map of California showing runoff, in percent of median, for the 1993 water year 3 2-«. Graphs showing 2. Discharge eind precipitation during water year 1993 and long-term average at four representative gaging stations * 3. Annual departure from 1961-90 mean discharge for period of record at selected gaging stations 5 4. Comparison of monthly mean dissolved-solids concentrations during water year 1993 with long-term dissolved-solids concentrations at two selected stations 6 5. Diagram showing system for numbering miscellaneous sites (latitude and longitude) 8 6-17. Maps showing location of discharge and water-quality stations: 6 Alameda County 26 7. Contra Costa County 27 8 Del Norte County 28 9 Humboldt County 29 10 Lake County 30 11. Marin County 31 12. Mendocino County 32 13. Monterey County 33 14 Napa County 3* 15. San Benito County 35 16. San Francisco and San Mateo Counties 36 17. San Luis Obispo County 37 VII .... VIII Paga 18-22. Maps shoMlng Location of discharge and Mater-quallty stations: 18 Santa Clara County 38 19 Santa Cruz County 39 20. Siskiyou County *0 21. Sonoma County 41 22. Trinity County *2 23-26. Schematic diagram showing diversions and storage: 23. Salinas River basin 56 24 Russian River basin 226 25. Eel River basin 272 26 Klamath River and Trinity River basins 33* TABLES Pag* Table 1. Comparison of peak discharge for 1993 water year with those for period of record for selected stations 2 2. Comparison of 7-day and 1-day low flow for 1993 water year to 7-day, 1-day, and mlnlaiuiii daily flow for 30-year base period 1961-90, for selected stations 6