| № | Site [ view Upper Vaal sites in Google Earth ] |
Plot all data | Date | MPN, or cfu / 100mL |
Turb. NTU |
pH | Temp. oC |
Risk based on E. coli if recorded, otherwise on faecal coliforms | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| E. coli | faecal coliforms | drinking- no treatment |
drinking- limited treatment |
full or partial contact |
irrigation- crops eaten raw |
|||||||
| 1 | 90697 [2-month plot]
(B8) Nigel R51 Road Bridge to Balfour |
|
2025-03-05 | 179 | - | - | - | - | HIGH | low | low | low |
| 1 | 90697 | 2025-03-18 | 205 | - | - | - | - | HIGH | low | Med | low | |
| 1 | 90697 | 2025-04-15 | 101 | - | - | - | - | HIGH | low | low | low | |
| 2 | 90725 [2-month plot]
Klip River at R41 Witpoortjie U/S Durban Deep Mine |
|
2025-03-05 | 931300 | - | - | - | - | HIGH | HIGH | HIGH | HIGH |
| 2 | 90725 | 2025-03-18 | 517200 | - | - | - | - | HIGH | HIGH | HIGH | HIGH | |
| 2 | 90725 | 2025-04-15 | 488400 | - | - | - | - | HIGH | HIGH | HIGH | HIGH | |
| 3 | 90727 [2-month plot]
At Golden Highway Olifantsvlei van Wyk on Kliprivier |
|
2025-03-05 | 1046200 | - | - | - | - | HIGH | HIGH | HIGH | HIGH |
| 3 | 90727 | 2025-03-18 | 573900 | - | - | - | - | HIGH | HIGH | HIGH | HIGH | |
| 3 | 90727 | 2025-04-15 | 547500 | - | - | - | - | HIGH | HIGH | HIGH | HIGH | |
| 4 | 191693 [2-month plot]
- Soweto Eldoradopark - at Road Bridge on Klipspruit |
|
2025-03-05 | 360900 | - | - | - | - | HIGH | HIGH | HIGH | HIGH |
| 4 | 191693 | 2025-03-18 | 1732900 | - | - | - | - | HIGH | HIGH | HIGH | HIGH | |
| 4 | 191693 | 2025-04-15 | 3448000 | - | - | - | - | HIGH | HIGH | HIGH | HIGH | |
 |
 |