| Prepared for | Chief Director: Scientific Services |
| Chief Director: Water Use and Conservation | |
| Chief Director: Planning | |
| Prepared by | Dr D C Grobler; D Grobler and Associates |
| Dr J Harris PO Box 170 | |
| Ms Mankone Ntsaba; Garsfontein West 0042 | |
| Project Manager | Ms Alison Howman; Institute for Water Quality Studies |