John D'Antonio Jr.
January 2003 – November 2011

Thomas C. Turney
January 1995 – December 2002

Eluid I. Martinez
January 1991 – December 1994

Carl L. Slingerland
July 1990 – December 1990

Phillip B. Mutz
April 1990 – June 1990

Stephen E. Reynolds
September 1955 – March 1990

John Bliss
March 1955 – August 1955

John R. Erickson
December 1953 – February 1955

John Bliss
November 1946 – November 1953

Thomas M. McClure
July 1932 – November 1946

George M. Neel
July 1930 – June 1932

Herbert W. Yeo
July 1926 – June 1930

George M. Neel
January 1925 – June 1926

James A. French
January 1923 – December 1924

Charles A. May
January 1921 – December 1922

Leslie A. Gillett
January 1920 – December 1920

James A. French
July 1912 – December 1918

Charles Miller (Territorial Engineer)
January 1911 – July 1912

Vernon Sullivan (Territorial Engineer)
April 1907 – December 1910

David White (Irrigation Engineer)
April 1905 – March 1907