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Neal T. Colwell


Mr. Colwell joined Kjeldsen, Sinnock & Neudeck, Inc. in 2011 after eighteen years of professional experience in the public and private sectors. Mr. Colwell’s practice has focused on municipal water and wastewater, and agricultural water resources in the western United States, including planning, permitting, studies, design, and construction management. Mr. Colwell’s early professional experience included volunteer work as a civil engineer in Ecuador, where he spent nearly three years with the United States Peace Corps designing and constructing rural water and wastewater systems.

As a Principal of the firm, Mr. Colwell is responsible for municipal and agricultural water-related projects and for larger construction management projects undertaken by the firm.


MS Civil Engineering, Oregon State University, Corvallis
BS Civil Engineering, U.C., Berkeley
BA Environmental Studies, U.C., Santa Cruz


California – RCE 59437
Oregon – 62843PE
Nevada – RCE 014565
Utah – RCE 500891
California Water Treatment Operator 29965

American Society Civil Engineers
Water Environment Federation
American Water Works Association
WateReuse Association