Reprinted April 1998
All programs and services of the U.S. Department of Agriculture, Soil
Conservation Service, are offered on a nondiscriminatory basis, without
regard to race, color, national origin, religion, sex, age, marital status, or
(390-V-NWSM, 2d ed., 12/92))
Issued December 1992
On the cover:
Upper Savannah land treatment watershed project, South Carolina
Lake Robinson, Greenvillle County, South Carolina, recreation
(photo by Ann Rose, public affairs specialist, SCS, Columbia, SC)
Romney No. 2, Jackson Lake Mitigation Project, Wyoming (photo by
Duane D. Klamm, state conservation engineer, SCS, Casper, WY)
Lake Robinson, Greenville County, South Carolina, floodwater
retarding structure (photo by John Case, district conservationist, SCS,
Greenville County, SC)
(300-V-NWSM, 2d ed., 12/92)
The National Watersheds Manual was prepared under the direction of John
W. Peterson, director, and Karl F. Otte, assistant director for planning,
Watershed Projects Division (WPD), Soil Conservation Service (SCS),
The authors who made major contributions to rewriting and reorganizing
this manual are:
Walter E. Sykes, soil conservationist, Watershed Planning Staff, SCS,
Ivan R. Wilkinson, water resource specialist, Midwest National Technical
Center, SCS, Lincoln, NE.
J.M. (Mike) Woodson, water resource specialist, South National Techni-
cal Center, SCS, Fort Worth, TX.
Others who made significant contributions to rewriting this manual are:
Carl E. Bouchard, assistant dirctor, Basin and Area Planning Division,
SCS, Washington, DC.
W. Wayne Killgore, water resource specialist, West National Technical
Center, SCS, Portland, OR.
Frank E. Resides, water resource specialist, Northeast National Technical
Center, SCS, Chester, PA.
Margaret Theurer, program assistant, WPD, SCS, Washington, DC.
Donald R. Vandersypen, assistant state conservationist, SCS,