The presiding officer was known as a Chairman of a Section from 1928-1961 and as President since 1962.
| Chairman, Sewage Division, Texas Section, Southwest Water Works Association | ||
| 1928-1931 | W.S. Mahlie | Fort Worth |
| 1932-1933 | Edgar Whedbee | |
| 1934-1936 | W.S. Mahlie | Fort Worth |
| 1937 | W.S. Stanley | |
| 1938-1943 | R.M. Dixon | Austin |
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Chairman, Sewage Division, Texas Water Works and Sewage Short School |
||
| 1944 | E.J.M. Berg | San Antonio |
| 1945 | E.M. Dixon | Austin |
| 1946 | L.C. Billings | Dallas |
| 1947 | J.H. Sorrels | College Station |
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Chair, Sewage and Industrial Waste Section Texas Water and Sewage Works Association |
||
| 1951 | C.H. Connell | Galveston |
| 1952 | A.H. Ullrich | Austin |
| 1953 | A.C. Bryan | Houston |
| 1954 | K.E. Mills | Galveston |
| 1955 | W.S. Mahlie | Fort Worth |
| 1956 | Glen A. Doty | Breckenridge |
| 1957 | John F. Conlon | Galveston |
| 1958 | Roger Moehlman | Houston |
| 1959 | T.L. Satterwhite | Baytown |
| 1960 | Cecil Williams | Dallas |
| 1961 | John P. Wold | |
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President, Texas Water Pollution Control Association |
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| 1962 | W. N. Wells | San Antonio |
| 1963 | Robert L. Nichols | Fort Worth |
| 1964 | S.A. Garza | Austin |
| 1965 | Harry O. Henkel | Victoria |
| 1966 | M.T. Garrett | Houston |
| 1967 | Jack Huppert | San Antonio |
| 1968 | S.O. Brady | Baytown |
| 1969 | James D. Gof | Arlington |
| 1970 | David G. Chase Azle | Azle |
| 1971 | Ronald D. Sadow | Texas City |
| 1972 | Curtis E. Johnson | Austin |
| 1973 | James E. Laughlin | Dallas |
| 1974 | Albert Breaaux | Clear Lake City |
| 1975 | Joe Malina | Austin |
| 1976 | Tom Koederitz | San Angelo |
| 1977 | W.W. Wright | Pasadena |
| 1978 | D.M. Cochran | Austin |
| 1979 | Joe P. Teller | Texas City |
| 1980 | P. D. Parks | Texas City |
| 1981 | Robert R. Bustamante | El Paso |
| 1982 | Glen Langley | San Marcos |
| 1983 | Marshall Honey | Richardson |
| 1984 | Sharon M. D’orsie | Houston |
| 1985 | Jim Taffe | Weatherford |
| 1986 | Bert Bates | Dallas |
| 1987 | Bob Derrington | Odessa |
| 1988 | John Cook | Arlington |
| 1989 | Richard Smullen, Jr. | Houston |
| 1990 | Robert McMillon | Fort Worth |
| 1991 | Carol Batterton | Austin |
| President, Water Environment Association of Texas | ||
| 1992 | Alice Megna | Houston |
| 1993 | Gordon Koblitz | Dallas |
| 1994 | Stephen Jenkins | San Marcos |
| 1995 | Joe King | Fort Worth |
| 1996 | Rhonda Harris | Plano |
| 1997 | Martha Martin | Houston |
| 1998 | Ron Mayo | Dallas |
| 1999 | Patty Cleveland | Arlington |
| 2000 | Clyde Burnett | Austin |
| 2001 | Mary Evans | Tyler |
| 2002 | Jim Joyce | Houston |
| 2003 | Ron Sieger | Dallas |