| № | 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 | 90616 [2-month plot]
Rietspruit at Kaalplaats (Rw RV2) |
|
2020-09-03 | 16000 | 16000 | - | 7.5 | - | HIGH | Med | HIGH | HIGH |
| 1 | 90616 | 2020-10-28 | 40000 | 49000 | - | 7.2 | - | HIGH | HIGH | HIGH | HIGH | |
| 2 | 90725 [2-month plot]
Klip River at R41 Witpoortjie U/S Durban Deep Mine |
|
2020-09-03 | 25 | 25 | 2 | 8.1 | - | HIGH | low | low | low |
| 2 | 90725 | 2020-10-27 | 82000 | 84000 | 38 | 7.2 | - | HIGH | HIGH | HIGH | HIGH | |
| 3 | 90727 [2-month plot]
At Golden Highway Olifantsvlei van Wyk on Kliprivier |
|
2020-10-27 | 180000 | 210000 | 17 | 6.7 | - | HIGH | HIGH | HIGH | HIGH |
| 4 | 189147 [2-month plot]
Warden 150 M upstream of Dam Wall on Cornelisrivier |
|
2020-09-04 | 16 | 21 | 7 | 7.2 | - | HIGH | low | low | low |
| 4 | 189147 | 2020-10-22 | 5700 | 11400 | 76 | 7.7 | - | HIGH | Med | HIGH | HIGH | |
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