Part 624, Chapter 10, Water Table Control
United States Department of Part 624 Drainage Agriculture National Engineering Handbook Natural Resources Conservation Service Chapter 10 Water Table Control (210-VI-NEH, April 2001) Chapter 10 Water Table Control Part 624 National Engineering Handbook Issued April 2001 The U.S. Department of Agriculture (USDA) prohibits discrimination in all its programs and activities on the basis of race, color, national origin, sex, religion, age, disability, political beliefs, sexual orientation, or marital or family status. (Not all prohibited bases apply to all programs.) Persons with disabilities who require alternative means for communication of program information (Braille, large print, audiotape, etc.) should contact USDA’s TARGET Center at (202) 720-2600 (voice and TDD). To file a complaint of discrimination, write USDA, Director, Office of Civil Rights, Room 326W, Whitten Building, 14th and Independence Avenue, SW, Washington, DC 20250-9410 or call (202) 720-5964 (voice and TDD). USDA is an equal opportunity provider and employer. (210-VI-NEH, April 2001) Acknowledgments National Engineering Handbook Part 624, Chapter 10, Water Table Control, was prepared by Ken Twitty (retired) and John Rice (retired), drainage engineers, Natural Resources Conservation Service (NRCS), Fort Worth, Texas, and Lincoln, Nebraska respectively. It was prepared using as a foundation the publication Agricultural Water Table Management “A Guide for Eastern North Carolina,” May 1986, which was a joint effort of the USDA Soil Conservation Service, USDA Agriculture Research Service (ARS), the North Carolina Agriculture Extension Service and North Caro- lina Agricultural Research Service. Leadership and coordination was provided by Ronald L. Marlow, national water management engineer, NRCS Conservation Engineering Division, Washington, DC, and Richard D.
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