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Circular 1171 cover

Water Quality in the Trinity River Basin, Texas, 1992-95

By Larry F. Land, J. Bruce Moring, Peter C. Van Metre, 
David C. Reutter, Barbara J. Mahler, Allison A. Shipp, 
and Randy L. Ulery



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The text and graphics are presented here in pdf format (print quality). The full report is approximately 4.65 MB.


Coordination among agencies and organizations is an integral part of the NAWQA Program. We thank the following agencies and organizations who contributed through their participation in the Study Unit Liaison Committee.

Federal Agencies:

  • U.S. Army Corps of Engineers

  • U.S. Department of Agriculture, Natural Resources Conservation Service

  • U.S. Department of the Interior, Bureau of

  • U.S. Environmental Protection Agency

  • U.S. Fish and Wildlife Service

Local Organizations:

  • City of Arlington

  • City of Fort Worth

  • City of Irving

  • Dallas Water Utilities Department

  • Tarrant County Water Control and Improvement District No. 1

  • Trinity River Authority

State Agencies:

  • Railroad Commission of Texas

  • Texas Department of Agriculture

  • Texas Natural Resource Conservation Commission

  • Texas Parks and Wildlife Department

  • Texas State Soil and Water Conservation Board

  • Texas Water Development Board

Universities and other organizations:

  • Galveston Bay National Estuary Program

  • North Central Texas Council of Governments

  • Texas Water Resources Institute

  • University of North Texas

  • University of Texas at Austin



Trinity River Basin Study Unit, contact:

District Chief
U.S. Geological Survey
Water Resources Division
8011 Cameron Rd.
Austin, TX 78754

Chief, NAWQA Program
U.S. Geological Survey
Water Resources Division
12201 Sunrise Valley Drive, M.S. 413
Reston, VA 20192

Information on the NAWQA Program is also available on the Internet via the World Wide Web. You may connect to the NAWQA Home Page using the Universal Resources Locator (URL):

The Trinity River Basin Study Unit's Home Page is at URL:

U.S. Department of the Interior, U.S. Geological Survey
Persistent URL:
Page Contact Information: Contact USGS
Last modified: Wednesday, November 23 2016, 12:09:22 PM
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