Following his 1889 graduation, Waterman moved to Denver, where he became a successful corporate and railroad attorney and was active in politics as a Republican.

After Coolidge won, he appointed Waterman general counsel for the Federal Oil Conservation Board.

[1][2] He worked on his family's farm, attended the Waitsfield public schools, and graduated from St. Johnsbury Academy.

[3] He graduated from the University of Vermont in Burlington in 1885,[1] and was a school teacher and principal in Mooers, New York, Groton, Connecticut, and Fort Dodge, Iowa, from 1885 to 1888.

[3] Waterman graduated from the University of Michigan Law School in 1889,[1] was admitted to the bar, and commenced practice in the Denver office of Republican politician John F.

[9] In 1923 and 1924, Waterman was active in the effort to elect Calvin Coolidge to a full term as president, and managed his campaign in Colorado;[10] In December 1924, Coolidge rewarded Waterman with appointment as general counsel for the newly created federal Oil Conservation Board, a panel made up of the Secretaries of War, Navy, Interior, and Commerce.

[12] In 1924, Waterman was an unsuccessful candidate for the Republican nomination for the U.S. Senate seat left vacant by the death of Samuel D.

[19][dubious – discuss] Bequests from the estate of Charles Waterman and his wife included the creation of a charitable trust to benefit Colorado attorneys who face financial burdens because of age or illness.

[8] The Waterman building has been used for several purposes since it opened in 1941, and in recent years has been the location of admissions and other administrative offices.