; children—Margherita, Helen, Katharine. Assistant, and assistant engineer, Massachusetts State Board of Health, 1896-1900. Assistant engineer and in charge, Spring Garden and Torresdale Testing stations, Bureau of Water, Philadelphia, 1900-1902.
Resident engineer, design and construction of Harrisburg Filtration Works, 1902-1905. Assistant professor, associate professor and professor sanitary engineering, University of California, 1905-1944, professor emeritus from 1944, dean of men, 1926-1928. Consulting engineer on many hydraulic and sanitary engineering problems, including California State Department of Health, 1911-1944.
Special consultant, hydraulic engineer, Harriman lines in Oregon and California, 1906-1908. Member engineering commission design of sanitary works, Camp Fremont, Menlo Park, California, 1917, captain, major, sanitary engineering section, Sanitary Corps United States Army, June 11, 1918-June 12, 1919. Sanitary engineer, Camp Meade, Maryland., August 5-November 22, 1918.
Surgeon General’ General’ s Office, War Department, Washington, November 22, 1918-June 12, 1919. In charge sanitary engineering section Sanitary Corps, Surgeon Corps, Surgeon General’ General’ s Office, February 15-June 12, 1919. Consultant San Francisco Department Public Health, 1932-1944.
Member and Chairman of the Board of consultant engrs., San Francisco Sewerage and Sewage Disposal, 1934-1935. Member board consultant engrs. Los Angeles Sewerage and Sewage Disposal, 1939.
Chairman of the Board consultant engrs., East Bay Cities Sewage Disposal Survey, 1940-1941. Chairman State Committee on Water Supply, California State Council of Defense, 1941-1943. Consultant sanitary engineer United States Navy, 12th District, from 1944.
Chairman and/or member sewage survey bds. Santa Clara, Santa Cruz, Orange and San Diego counties, California, Greater Vancouver area, B.C., Auckland Metropolitan Drainage District, New Zealand.