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U.S. GEOLOGICAL SURVEY
Water Data Report (WDR)
MD-DE-DC-05-1
ONLINE ONLY
Water resources data for the 2005 water year for Maryland, Delaware, and Washington, D.C. consist of records of stage, discharge, and water quality of streams; stage and contents of lakes and reservoirs. This volume (Volume 1. Surface-Water Data) contains records for water discharge at 145 gaging stations; stage and contents of 1 reservoir; stage only for 2 tidal gaging station; and water quality at 19 gaging stations. Also included are stage only for 11 tidal crest-stage partial-record stations. 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, local, and Federal agencies in Maryland, Delaware, and Washington, D.C.
Preface
Report documentation page
List of surface-water stations, in downstream order, by which records are published
List of discontinued surface-water-discharge stations
List of discontinued crest-stage partial-record stations
List of discontinued surface-water-quality stations
List of low-flow, partial-record stations
Introduction
Cooperation
Summary of hydrologic conditions
Downstream order and station number
Special networks and programs
Numbering system for miscellaneous sites
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 field data and computed results
Other records available
Explanation of water-quality records
Surface-water-quality records
Classification of records
Accuracy of the record
Arrangement of records
On-site measurements and sample collection
Water temperature
Sediment
Laboratory measurements
Data presentation
Remark codes
Water-quality control data
Blank samples
Reference samples
Replicate samples
Spike samples
Access to USGS data
Definition of terms
Surface water records
Elevation at tidal crest-stage partial-record stations
Analyses of samples collected at water-quality partial-record stations
and miscellaneous sites
Index
This report is available online in Portable Document Format (PDF). If you do not have the Adobe Acrobat PDF Reader, it is available for free download from Adobe Systems Incorporated.
View the full report in PDF (7.4 MB)
Document Accessibility: Adobe Systems Incorporated has information about PDFs and the visually impaired. This information provides tools to help make PDF files accessible. These tools and the accessible reader may be obtained free from Adobe at Adobe Access.
For more information about USGS activities in Maryland, Delaware and the District of Columbia contact:
Director
MD-DE-DC Water Science Center
U.S. Geological Survey
8987 Yellow Brick Road
Baltimore, MD 21237
Telephone: (410) 238-4200
Fax: (410) 238-4210
or access the USGS Water Resources of Maryland, Delaware, and District of Columbia home page at: http://md.water.usgs.gov/.
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