Honorary membership
The Society of Water Chemistry Division of the German Chemical Society (GDCh) confers honorary membership as a special recognition on individuals who have made outstanding scientific contributions in their field. The distinction of “Honorary Chair” is awarded to long-standing Chairs of the Society of Water Chemistry.
| Year | Recognition | awardee | Affiliation at the time of the award |
| 2022 | Honorary chair (2013-2021) | Prof. Dr. Torsten C. Schmidt | Essen |
| 2022 | Honorary membership | Prof. Dr. Thilo Hofmann | Vienna/AT |
| 2015 | Honorary membership | Dipl.-Ing. Ninette Zullei-Seibert | Schwerte |
| 2013 | Honorary chair (2004-2012) | Prof. Dr.-Ing. Martin Jekel | Berlin |
| 2013 | Honorary membership | Prof. Dr. Eckhard Worch | Dresden |
| 2010 | Honorary membership | Prof. Dr. Ralf Klopp | Essen |
| 2004 | Honorary chair (1992-2003) | Prof. Dr. Fritz Frimmel | Karlsruhe |
| 2004 | Honorary membership | Prof. Dr. Ulrich Förstner | Hamburg |
| 2001 | Honorary membership | Prof. Dr. Siegfried Eberle | Karlsruhe |
| 2000 | Honorary membership | Prof. Dr. Johannes Reichert | Warstein |
| 1999 | Honorary membership | Prof. Dr. Hans-Joachim Walther | Dresden |
| 1996 | Honorary membership | Prof. Dr. Wilhelm Fresenius | Taunusstein |
| 1995 | Honorary membership | Prof. Dr. Heinz Bernhardt | Siegburg |
| 1994 | Honorary membership | Prof. Dr. Rudolf Wagner | Steinenbronn |
| 1993 | Honorary membership | Prof. Dr. Joachim Kaeding | Dresden |
| 1992 | Honorary chair (1971-1992) | Prof. Dr. Karl-Ernst Quentin | Kulmbach |
| 1991 | Honorary membership | Prof. Dr. Klaus Haberer | Wiesbaden |
| 1990 | Honorary membership | Prof. Dr. Paul Koppe | Essen |
| 1989 | Honorary membership | Prof. Dr. Heinrich Sontheimer | Karlsruhe |
| 1982 (1986?) | Honorary membership | Prof. Dr. Walter Niemitz | Berlin |
| 1981 | Honorary membership | Prof. Dr. Waldemar Ohle | Plön |
| 1979 (1986?) | Honorary membership | Prof. Dr. Bernard Braukmann | Bochum |
| 1970 | Honorary chair (1949-1970) | Prof. Dr. Wilhelm Husmann | Essen |
| 1933 | Honorary membership | Prof. Dr. Josef Tillmans | Frankfurt a.M. |
| 1930 | Honorary chair (1926-1930) | Prof. Dr. Hugo Haupt | Bautzen |