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Open-File Report 2013–1054

National Water Information System

User's Manual for the National Water Information System of the U.S. Geological Survey

Water-Quality System, Version 5.0

By David H. Dupré, Jonathon C. Scott, Melanie L. Clark, Michael G. Canova, and Yvonne E. Stoker


This user documentation is designed to be a reference for the quality of water (QW) programs within the National Water Information System (NWIS). If you are a new user, the “Introduction” and “Getting Started” sections may be the right place for you to start. If you are an experienced user, you may want to go straight to the details provided in the “Program” section (section 3). Code lists and some miscellaneous reference materials are provided in the Appendices. The last section, “Tip Sheets,” is a collection of suggestions for accomplishing selected tasks, some of which are basic and some are advanced. These tip sheets are referenced in the main text of the documentation where appropriate.

Supercedes Open-File Report 2006-1145

Version 5.0
First posted April 5, 2013

For additional information contact:
Chief, National Water Information System
U.S. Geological Survey
437 National Center
12201 Sunrise Valley Dr.
Reston, VA 20192
(703) 648-5632

Part or all of this report is presented in Portable Document Format (PDF); the latest version of Adobe Reader or similar software is required to view it. Download the latest version of Adobe Reader, free of charge.

Suggested citation:

Dupré, D.H, Scott, J.C., Clark, M.L., Canova, M.G, and Stoker, Y.E., 2013, User’s manual for the National Water Information System of the U.S. Geological Survey: Water-Quality System, Version 5.0: U.S. Geological Survey Open-File Report 2013–1054, 730 p., Supercedes Open-File Report 2006–1145.



Getting Started



Tip Sheets

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