| Stations in drainage region G |
| Station No | Place | Latitude | Longitude | Data Available |
| G1E001 | Wellington | -33.65009 | 19.01605 | 1949-06-30 to 2013-07-01 |
| G1E002 | Vogel Vallij @ Voelvlei Dam | -33.34178 | 19.04105 | 1952-08-31 to 2023-10-31 |
| G1E003 | Zachariashoek @ Wemmershoek Dam | -33.83342 | 19.08272 | 1957-11-30 to 2023-12-31 |
| G1E004 | Bien Donne | -33.84175 | 18.98271 | 1965-02-28 to 1997-05-27 |
| G1E005 | Langebaan | -32.95429 | 18.11186 | 1969-02-28 to 1977-12-01 |
| G1E006 | Assegaaibos @ Robertsvlei | -33.94175 | 19.06605 | 1974-12-31 to 2023-12-31 |
| G1E007 | Langebaan @ Langebaan Road | -32.97096 | 18.15770 | 1978-12-31 to 2005-07-01 |
| G1E008 | Misverstand @ Misverstand Dam | -33.02512 | 18.78688 | 1979-04-30 to 1992-02-26 |
| G1E009 | Withoogte @ Purification Works | -33.06734 | 18.66799 | 1997-11-30 to 2013-05-01 |
| G1E010 | Ongegund | -33.56260 | 18.90355 | 1980-11-06 to 1984-01-12 |
| G1NP0007 | Fir Woods | -33.76928 | 18.97627 | 2013-09-03 to 2013-09-03 |
| G2E001 | Brakke Fontein @ Atlantis Sewagew. | -33.60843 | 18.48270 | 1985-07-01 to 2013-05-01 |
| G2E002 | Schaapkraal @ Varkenvlei | -34.03341 | 18.53270 | 1942-07-31 to 1962-09-01 |
| G2E003 | Higgovale Cape Town @ Molteno | -33.93758 | 18.41186 | 1954-04-30 to 2021-11-01 |
| G2E004 | Tafelberg | -33.97924 | 18.40353 | 1954-07-31 to 2023-01-01 |
| G2E005 | Tafelberg @ Newlands | -33.96674 | 18.44936 | 1959-05-31 to 2023-01-01 |
| G2E006 | Elsenburg | -33.85008 | 18.83271 | 1959-02-28 to 1997-05-28 |
| G2E007 | D.F. Malan Airport @ Cape Town | -33.96674 | 18.59937 | 1957-05-31 to 1984-10-01 |
| G2E008 | Stellenbosch @ Welgevallen | -33.94175 | 18.87021 | 1965-04-30 to 1989-10-01 |
| G2E010 | Constantia @ Great Constantia | -34.02924 | 18.41186 | 1967-08-31 to 1990-09-19 |
| G2E011 | Jonkershoek @ Biesievlei | -33.98341 | 18.94938 | 1968-08-31 to 1980-05-01 |
| G2E012 | Jonkershoek @ Swartburg | -33.98619 | 18.95410 | 1968-10-31 to 1992-04-19 |
| G2E013 | Jonkershoek @ Manor House | -33.96388 | 18.92861 | 1968-09-30 to 2023-12-31 |
| G2E014 | Capetown (Seekoei- @ Vlei Treatmentwo.) | -34.06674 | 18.51603 | 1969-03-31 to 2003-02-01 |
| G2E015 | Simon's Town | -34.16673 | 18.39936 | 1975-04-30 to 2009-10-01 |
| G3E001 | Lambertsbaai | -32.09226 | 18.30570 | 1954-06-30 to 1973-10-01 |
| G3E002 | Annex De Achieriandn @ Sewefontein | -32.51265 | 18.88689 | 1967-05-31 to 1976-01-01 |
| G3E003 | Lambertsbaai @ Nortier Exper.Farm | -32.03504 | 18.33245 | 1973-11-30 to 2023-01-01 |
| G4E001 | Kogel Baai @ Steenbrasdam-Lower | -34.17972 | 18.85138 | 1957-08-31 to 2023-12-31 |
| G4E002 | Elgin | -34.13757 | 19.02021 | 1965-04-30 to 1997-04-27 |
| G4E003 | Lebanon Forest Res | -34.15007 | 19.13272 | 1967-11-30 to 1979-05-01 |
| G4E005 | Kleine Wessels @ Eikenhofdam | -34.12888 | 19.03416 | 1978-07-31 to 2006-09-26 |
| G4E006 | Somersfontein @ Kogelberg Dam | -34.21590 | 18.97132 | 1987-09-21 to 1996-09-26 |
| G5E001 | Bredasdorp | -34.54583 | 20.06055 | 1964-02-29 to 2015-11-01 |
| G5E002 | De Hoop Nature Res | -34.45333 | 20.39944 | 1988-12-14 to 2008-04-01 |