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United States Department of the Interior Gale A. Norton UNITED STATES DEPARTMENT OF THE INTERIOR GALE A. NORTON, Secretary U.S. GEOLOGICAL SURVEY CHARLES G. GROAT, Director For information on the water program in Idaho, write to District Chief, Water Resources Division U.S. Geological Survey 230 Collins Road Boise, Idaho 83702-4520 Preface This volume of the annual hydrologic data report of Idaho is one of a series of annual reports that document hydrologic data gathered from the U.S. Geological Survey’s surface-, ground-, and quality-of-water data-collection networks in each State, Puerto Rico, and the Trust Territories. These records of streamflow, ground-water levels, and quality of water 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. 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, and who revised, edited, illustrated, and assembled the report. In addition to the authors who had primary responsibility for assuring that the information contained herein is accurate, complete, and adheres to Geological Survey policy and established guidelines, the following individuals contributed significantly to the collection, processing, and tabulation of the data: Rick L. Backsen Robert W. Erickson Michael A. Nolevanko Sandra A. Ball John O. Gralow Douglas S. Ott Jay E. Bateman Deena F. Green Robert E. Reaves Joseph T. Bunt, Jr Mark Hardy Alvin A. Sablan Sabrina N. Conti Keith L. Hein Theresa M. Sanchez H. Russ Christensen Nathan D. Jacobson James L. Schaefer David W. Clark Kevin F. Kirlin Kenneth D. Skinner Gregory M. Clark Stan G. Landon Brad D. VandeKamp Donald G. Cole Dorene MacCoy Paul F. Woods William C. Damschen Terry R. Maret Frank W. Youngkin Peter S. Elliott Marcia Medford This report was prepared in cooperation with the State of Idaho and with other agencies under the general supervision of Stephen W. Lipscomb, Hydrologic Data Section Chief, Jack D. Doyle, Acting Hydrologic Data Section Chief and Kathy D. Peter, District Chief. iii Form Approved REPORT DOCUMENTATION PAGE OMB No. 0704-0188 Public reporting burden for this collection of information is estimated to average 1 hour per response, including the time for reviewing instructions, searching existing data sources, gathering and maintaining the data needed, and completing and reviewing the collection of information. Send comments regarding this burden estimate or any other aspect of this collection of information, including suggestions for reducing this burden, to Washington Headquarters Services, Directorate for Information Operations and Reports, 1215 Jefferson Davis Highway, Suite 1204, Arlington, VA 22202-4302, and to the Office of Management and Budget, Paperwork Reduction Project (0704-0188), Washington, DC 20503. 1. AGENCY USE ONLY (Leave blank) 2. REPORT DATE 3. REPORT TYPE AND DATES COVERED March 24, 2003 Annual -- Oct. 1, 2001 to Sept. 30, 2002 4. TITLE AND SUBTITLE 5. FUNDING NUMBERS Water Resources Data -- Idaho, Water Year 2002 Volume 1. Great Basin and Snake River Basin above King Hill. 6. AUTHOR(S) T. S. Brennan, A.K. Lehmann, A. M. Campbell, I. O’Dell and S. E. Beattie 7. PERFORMING ORGANIZATION NAME(S) AND ADDRESS(ES) 8. PERFORMING ORGANIZATION REPORT NUMBER U.S. Geological Survey, Water Resources Division Idaho District USGS-WDR-ID-02-1 230 Collins Road Boise, Idaho 83702-4520 9. SPONSORING / MONITORING AGENCY NAME(S) AND ADDRESS(ES) 10. SPONSORING / MONITORING AGENCY REPORT NUMBER U.S. Geological Survey, Water Resources Division Idaho District USGS-WDR-ID-02-1 230 Collins Road Boise, Idaho 83702-4520 11. SUPPLEMENTARY NOTES Prepared in cooperation with Federal, State, and local agencies. 12a. DISTRIBUTION / AVAILABILITY STATEMENT 12b. DISTRIBUTION CODE No restriction on distribution. This report may be purchased from National Technical Information Service, Springfield, Virginia 22161. 13. ABSTRACT (Maximum 200 words) Water resources data for the 2002 water year for Idaho consists of records of stage, discharge, and water quality of streams; stage, contents, and water quality of lakes and reservoirs; discharge of irrigation diversions; and water levels and water quality of groundwater. The two volumes of this report contain discharge records for 196 stream-gaging stations and 15 irrigation diversions; stage only records for 5 stream-gaging stations; stage only for 6 lakes and reservoirs; contents only for 13 lakes and reservoirs; water-quality for 78 stream-gaging stations and partial record sites, 3 lakes sites, and 383 groundwater wells; and water levels for 425 observation network wells and 900 special project wells. Additional water data were collected at various sites not involved in the systematic data collection program and are published as miscellaneous measurements. These data represent that part of the National Water Data System operated by the U.S. Geological Survey and cooperating State and Federal agencies in Idaho, adjacent States, and Canada. 14. SUBJECT TERMS 15. NUMBER OF PAGES *Idaho, *Hydrologic data, *Surface water, *Ground water, *Water quality, Flow rate, 441 Gaging stations, Lakes, Reservoirs, Chemical analyses, Sediments, Water temperature, 16. PRICE CODE Sampling sites, Water levels, Water analyses 17. SECURITY CLASSIFICATION 18. SECURITY CLASSIFICATION 19. SECURITY CLASSIFICATION 20. LIMITATION OF ABSTRACT OF REPORT OF THIS PAGE OF ABSTRACT Unclassified Unclassified NSN 7540-01-280-5500 Standard Form 298 (Rev. 2-89) Prescribed by ANSI Std 239-18 298-102 CONTENTS Page Preface ............................................................................................................................................................................................. iii List of surface-water stations, in downstream order, for which records are published in this volume....................................................................................................................................... vii List of counties for which ground-water well records are published in this volume............................................................................................................................................................ xi List of discontinued surface-water discharge or stage-only stations ............................................................................................... xii List of discontinued surface-water quality stations ........................................................................................................................ xx Introduction..................................................................................................................................................................................... 1 Cooperation..................................................................................................................................................................................... 2 Summary of hydrologic conditions................................................................................................................................................. 3 Summary of streamflow and reservoir conditions ................................................................................................................ 3 Summary of ground-water conditions................................................................................................................................... 5 Summary of water-quality conditions................................................................................................................................... 7 Definition of terms.......................................................................................................................................................................... 8 Downstream order and station number........................................................................................................................................... 22 Numbering system for wells and miscellaneous sites .................................................................................................................... 22 Idaho well-numbering system............................................................................................................................................... 23 Special networks and programs ...................................................................................................................................................... 24 Explanation of the records .............................................................................................................................................................. 25 Records of stage and water discharge ................................................................................................................................... 25 Data collection and computation................................................................................................................................ 25 Data presentation........................................................................................................................................................ 26 Identifying estimated daily discharge ........................................................................................................................ 29 Accuracy of field data and computed results ............................................................................................................
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