| Stations in drainage region G |
| Station No | Place | Catchment Area(km²) | Latitude | Longitude | Data Available |
| G1R001 | Voelvlei River @ Voelvlei Dam | 42 | -33.33935 | 19.02936 | 1951-06-25 to 2025-12-10 |
| G1R003 | Berg River @ Misverstand Dam | 3972 | -33.02485 | 18.78895 | 1977-07-12 to 2025-12-03 |
| G1R004 | Berg River @ Berg River Dam | 78 | -33.90870 | 19.05794 | 2007-08-17 to 2026-01-22 |
| G2R001 | Jonkershoek River @ Kleinplaas Dam | 30 | -33.97472 | 18.94285 | 1983-01-14 to 2026-01-15 |
| G4R001 | Steenbras River @ Steenbras Dam-Lower | 67 | -34.18687 | 18.85246 | 1989-01-01 to 2026-01-31 |
| G4R002 | Palmiet River @ Eikenhof Dam | 64 | -34.12752 | 19.03471 | 1978-05-16 to 2026-01-27 |
| G4R006 | Palmiet River @ Kogelberg Dam | 179 | -34.21604 | 18.97189 | 1987-05-20 to 2026-01-27 |
| G4R007 | Steenbras River @ Steenbras Dam-Upper | 30 | -34.16803 | 18.90164 | 1993-07-01 to 2026-01-31 |
| G4R010 | Onrus River @ De Bos Dam | 32 | -34.36867 | 19.23402 | 1977-10-06 to 2026-02-10 |