1. Water Resources Engineer, Tetra Tech, Inc., 2110 Powers Ferry Rd., SE Suite 202, Atlanta, GA 30339 (corresponding author).
2. Professor, Civil and Environmental Engineering, Mississippi State Univ., Mississippi, MS 39762.
3. Director, Water Resources Group, Tetra Tech, Inc., Atlanta 2110 Powers Ferry Rd. SE, Suite 202, Atlanta, GA 30339.
4. Aquatic Ecologist and Senior Scientist, Center for Ecological Sciences, Tetra Tech Inc., One Park Dr. Suite 200, Research Triangle Park, NC 27709.
5. Aquatic Ecologist and Senior Scientist, Tetra Tech Inc., 400 Red Brook Blvd. Suite 200, Owings Mills, MD 21117.