| № | 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) |
|
2019-11-06 | 2400 | 5700 | - | 7.4 | - | HIGH | Med | HIGH | Med |
| 1 | 90616 | 2019-11-28 | 180 | 29000 | - | 7.5 | - | HIGH | low | low | low | |
| 1 | 90616 | 2019-12-13 | 16000 | 24000 | - | 7.4 | - | HIGH | Med | HIGH | HIGH | |
| 2 | 90697 [2-month plot]
(B8) Nigel R51 Road Bridge to Balfour |
|
2019-11-21 | 145 | 150 | - | 8.3 | - | HIGH | low | low | low |
| 2 | 90697 | 2019-12-10 | 170 | 310 | - | 7.5 | - | HIGH | low | low | low | |
| 3 | 90725 [2-month plot]
Klip River at R41 Witpoortjie U/S Durban Deep Mine |
|
2019-12-03 | 330000 | 330000 | 5 | 7.6 | - | HIGH | HIGH | HIGH | HIGH |
| 3 | 90725 | 2019-12-13 | 350 | 690 | 3 | 7.3 | - | HIGH | low | Med | low | |
| 4 | 90727 [2-month plot]
At Golden Highway Olifantsvlei van Wyk on Kliprivier |
|
2019-12-03 | 139000 | 146000 | 10 | 7.7 | - | HIGH | HIGH | HIGH | HIGH |
| 4 | 90727 | 2019-12-13 | 3000 | 5700 | 14 | 7.4 | - | HIGH | Med | HIGH | Med | |
| 5 | 189147 [2-month plot]
Warden 150 M upstream of Dam Wall on Cornelisrivier |
|
2019-11-15 | 87 | 87 | 16 | 7.8 | - | HIGH | low | low | low |
| 5 | 189147 | 2019-12-13 | 160 | 2000 | 139 | 7.8 | - | HIGH | low | low | low | |
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