| № | Site [ view 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 |
|
2023-03-28 | 288 | - | - | - | - | HIGH | low | Med | low |
| 1 | 90697 | 2023-04-12 | 813 | - | - | - | - | HIGH | low | HIGH | low | |
| 1 | 90697 | 2023-04-25 | 121 | - | - | - | - | HIGH | low | low | low | |
| 2 | 90725 [2-month plot]
Klip River at R41 Witpoortjie U/S Durban Deep Mine |
|
2023-03-28 | 82 | - | - | - | - | HIGH | low | low | low |
| 2 | 90725 | 2023-04-12 | 61 | - | - | - | - | HIGH | low | low | low | |
| 2 | 90725 | 2023-04-25 | 45 | - | - | - | - | HIGH | low | low | low | |
| 3 | 90727 [2-month plot]
At Golden Highway Olifantsvlei van Wyk on Kliprivier |
|
2023-03-28 | 435200 | - | - | - | - | HIGH | HIGH | HIGH | HIGH |
| 3 | 90727 | 2023-04-12 | 456900 | - | - | - | - | HIGH | HIGH | HIGH | HIGH | |
| 3 | 90727 | 2023-04-25 | 613100 | - | - | - | - | HIGH | HIGH | HIGH | HIGH | |
| 4 | 188262 [2-month plot]
Mmabatho - at Road Bridge on Molopo River, D/S of Mafikeng |
|
2023-03-27 | 12230 | - | - | - | - | HIGH | Med | HIGH | HIGH |
| 4 | 188262 | 2023-04-11 | 92080 | - | - | - | - | HIGH | HIGH | HIGH | HIGH | |
| 4 | 188262 | 2023-04-24 | 435200 | - | - | - | - | HIGH | HIGH | HIGH | HIGH | |
| 5 | 191688 [2-month plot]
Mmabatho - D/S of Mmabatho WWTW, on Molopo Tributary. |
|
2023-03-27 | 2495000 | - | - | - | - | HIGH | HIGH | HIGH | HIGH |
| 5 | 191688 | 2023-04-11 | 3873000 | - | - | - | - | HIGH | HIGH | HIGH | HIGH | |
| 5 | 191688 | 2023-04-24 | 5475000 | - | - | - | - | HIGH | HIGH | HIGH | HIGH | |
| 6 | 191693 [2-month plot]
- Soweto Eldoradopark - at Road Bridge on Klipspruit |
|
2023-03-28 | 156500 | - | - | - | - | HIGH | HIGH | HIGH | HIGH |
| 6 | 191693 | 2023-04-12 | 307600 | - | - | - | - | HIGH | HIGH | HIGH | HIGH | |
| 6 | 191693 | 2023-04-25 | 579400 | - | - | - | - | HIGH | HIGH | HIGH | HIGH | |
| 7 | 192536 [2-month plot]
Pampierstad - at Vaal-Harts Weir on Hartsrivier |
|
2023-03-29 | 461 | - | 86 | 6.7 | - | HIGH | low | HIGH | low |
 |
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