Water Resources Data for Louisiana, Water Year 2004
By Todd Baumann, B.B. Goree, W.M. Lovelace, P.A. Montgomery, J.C. Resweber, Garron B. Ross, Aub N. Ward, and David J. Walters
Water-Data Report LA-04-01 ( 826 pages, 20 figures)
Abstract
Water resources data for the 2004 water year for Louisiana consist of records of stage, discharge, and water quality of streams; stage, contents, and water quality of lakes and reservoirs; and water levels and water quality of ground water. This report contains records for water discharge at 77 gaging stations; stage only for 86 gaging stations and 7 lakes; water quality for 60 surface-water stations (including 42 gaging stations) and 112 wells; and water levels for 304 observation wells. Also included are data for 158 crest-stage and flood-profile partial-record stations. Additional water data were collected at various sites not included 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 Louisiana.
Preface
This volume of the annual hydrologic data report of Louisiana 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 quality of water provide the hydrologic information needed by State, local, and Federal 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 typed, edited, 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, most of the data were collected, computed, and processed by area field offices.
The following individuals supervised the collection,
processing, and
tabulation of the data: George J. Arcement, Jr., Dennis K. Demcheck, Paul
A.
Ensminger, Cheryl R. Joseph, Benton D. McGee, Garron B. Ross, and David J. Walters.
The following individuals contributed to the collection,
processing, and preparation of the
data: Arthur R. Adams, Mary L. Anderson, Todd Baumann, Van G. Bergeron,
Jeffery A. Brantly,
Sebastian R. Brazelton, Tonya D. Davis, Michael Descant, Troy A. Devillier,
James R. Fountain, C. Paul Frederick,
Frank R. Glass, Burl B. Goree, J. Josh Gilbert, Kevin Grimsley, Brian
Hilton, Darrelyn C. Hutson,
Marlon Johnson,
Calvin L. Jones, J. Scott Jones, Wendell M. Lovelace, Tammy B.
McKaskle, Erroll P. Meche, Pamela A. Montgomery, Scott M. Perrien, J. Christine
Resweber, David C. Sasser, Jr.,
Ronald C. Seanor, Cindy G. Sibley, Lane B. Simmons, William B. Snee, Jr., Glen T.
Stevens, Stanley C. Skrobialowski, Dan J. Tomaszewski, J. Craig Waters, and Aub N. Ward.
This report was prepared in cooperation with the State of Louisiana and with
other agencies
under the general supervision of Charles R. Demas, District Chief, Louisiana.
Table of Contents
Preface
Report documentation page
List of surface-water stations, in downstream order, for which records are
published in this volume
List of parishes for which ground-water records are published in this volume
List of discontinued surface-water discharge, elevation, or stage-only stations
List of discontinued surface-quality-water stations
Introduction
Cooperation
Summary of hydrologic conditions
Surface-water conditions
Surface-water quality
Ground-water levels
Ground-water quality
Downstream order and station number
Numbering system for wells and miscellaneous sites
Special networks and programs
Explanation of stage- and water-discharge records
Data collection and computation
Data presentation
Station manuscript
Peak discharge greater than base discharge
Data table of daily mean values
Statistics of monthly mean data
Summary statistics
Identifying estimated daily discharge
Accuracy of the records
Other records available
Explanation of water-quality records
Collection and examination of data
Water analysis
Surface-water-quality records
Classification of records
Accuracy of the records
Arrangement of records
On-site measurements and sample collection
Water temperature
Sediment
Laboratory measurements
Data presentation
Remark, value qualifier and null
value qualifier codes
Water-quality control data
Blank samples
Reference samples
Replicate samples
Spike samples
Explanation of ground-water-level records
Site identification numbers
Data collection and computation
Data presentation
Water-level tables
Hydrographs
Ground-water-quality data
Data collection and computation
Data presentation
Laboratory measurements
Access to USGS water data
Definition of terms
Publications on Techniques of Water-Resources Investigations
Station records, surface water
Partial-record stations and miscellaneous sites
Crest-stage partial record stations
Flood-profile partial record stations
Miscellaneous sites
Analyses of samples collected at surface-water-quality miscellaneous sites
Station records, ground-water level data
Station records, ground-water quality data
Index
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