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Back Row, left to right

Benjamin Travers, Engineering Aide, Hydropower Technical Services Group

Tom Gill, P.E. (Colorado), Hydraulic Engineer, B.S. and M.S. Civil Engineering, Colorado State University. (303) 445-2201.

Bob Einhellig, P.E. (Iowa), Hydraulic Engineer. B.S., Univ. of Kansas, M.S. Iowa State University. (303) 445-2142. reinhellig@usbr.gov [Water management, flow measurement, irrigation, hydraulic structures modeling]

Dr. Rodney Wittler, P.E. (Colorado), Hydraulic Engineer. B.S., M.S., Ph.D., Civil Engineering, Colorado State University, [River and fishery restoration; riprap design, dam safety, erosion protection/prevention, river mechanics/fluvial geomorphology.] Dr. Wittler has transferred to Reclamation's Weaverville, California office.

Thomas Harris, Student, Colorado School of Mines.

Brent Mefford, P.E. (Colorado), Technical Specialist-Hydraulic Engineer. B.S. Watershed Science, M.S. Civil Engineering, Colorado State University. (303) 445-2149. [Environmental Hydraulics, Dam Safety]

Rudy Campbell, Civil Engineering Technician, RETIRED.

Tony Wahl, P.E. (Colorado) Hydraulic Engineer. B.S. and M.S. Civil Engineering, Colorado State University, (303) 445-2155. [water measurement & long-throated flume design software (WinFlume), fish screen modeling, dam breach research, fuse plugs, erodibility of cohesive soils, hydropower & cavitation, canal automation, SonTek ADV probe & software (WinADV).]

Tracy Vermeyen, P.E. (Colorado), Hydraulic Engineer, B.S. and M.S. Civil Engineering, Colorado State University. (303) 445-2154. [selective withdrawal, acoustic velocity meters, thermally stratified flows, labyrinth weirs, open channel water measurement]

Jerry Fitzwater. Civil Engineering Technician, RETIRED.

James Higgs, P.E. (Colorado), Hydraulic Engineer. B.S. and M.S., Civil Engineering, Utah State University, (303) 445-2147, [Computational Fluid Dynamics, Rubber gates, Numerical modeling.]

Dr. Joseph P. Kubitschek, P.E. (Colorado), Hydraulic Engineer. B.S., M.S., Ph.D., Mechanical Engineering, University of Colorado at Boulder (303) 445-2148. [Environmental hydraulics, fish passage and protection, hydrodynamic stability.]

Front Row, left to right

Cliff Pugh, Group Manager, RETIRED

Kathy Frizell. Hydraulic Engineer. B.S. Water Resources, UCLA. (303) 445-2144. [Stepped spillway design, overtopping protection design, dam safety, total dissolved gas investigation, fish barrier design, water measurement]

Leslie Hanna, EIT, Hydraulic Engineer. B.S. Mechanical Engineering, Arizona State University. (303) 445-2146, [Environmentally acceptable lubricants for wicket gates, stilling basin erosion problems]

Connie DeMoyer, P.E. (Colorado), Hydraulic Engineer.  B.S. Civil & Environmental Engineering, Lehigh University.  M.S. Civil Engineering, University of Minnesota. EIT. (303) 445-2152. [Selective withdrawal, water quality.]

Billy Baca, Civil Engineering Technician (303) 445-2331.

Right side

K. Warren Frizell, EIT, Research Hydraulic Engineer. B.S. Mechanical Engineering, University of New Mexico. M.S. Civil Engineering, University of Minnesota. EIT, State of Colorado. (303) 445-2145. [Operation and maintenance of hydraulic systems]

Not Shown

Dale Lentz, P.E. (Washington), Hydraulic Engineer. B.S. and M.S., Utah State University, (303)-445-2143. [Fish passage and protection, hydraulic modeling.]

Group Secretary: Stephanie Almeida, (303) 445-2029.

Last reviewed: 01/23/09