Bartow was active in numerous professional associations and he served on numerous national and international commissions. By his own count, he had memberships in 41 societies, clubs and fraternities. He was president of the Kansas Academy of Science in 1904. His involvement with the
American Water Works Association was long and committed. He helped form what would become the Illinois Section of AWWA in 1909 and he became the Section Secretary from 1915 to 1919. In 1922, he was elected as president of AWWA. He was a member and director of the
American Institute of Chemical Engineers from 1923 to 1925 and 1936–1939. In 1934, he was elected as president of the
Iowa Academy of Science. From 1934 to 1938, he was the U.S. representative and vice president of the International Chemical Union. Bartow was a long-time member of the
American Chemical Society. He served on numerous committees and was instrumental in founding the Division of Water, Sewage and Sanitary Chemistry. He served for three years as chairman of the Division. In 1934, he was elected as president of the ACS. As a member of the
American Public Health Association, he was chairman of its laboratory section and supervised several editions of its
Standard Methods of Water Analysis. Qualified through his consulting work, he became a member of the sanitary engineering division of
American Society of Civil Engineers, served on its executive committee for five years and was its chairman for two years. ==Honors and awards==