| № | 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) |
|
2020-01-21 | 0 | 0 | - | 7.6 | - | low | low | low | low |
| 1 | 90616 | 2020-02-18 | 26000 | 55000 | - | 7.4 | - | HIGH | HIGH | HIGH | HIGH | |
| 2 | 90697 [2-month plot]
(B8) Nigel R51 Road Bridge to Balfour |
|
2020-01-23 | 920 | 920 | - | 8.1 | - | HIGH | low | HIGH | low |
| 2 | 90697 | 2020-02-25 | 13000 | 13000 | - | 8.1 | - | HIGH | Med | HIGH | HIGH | |
| 3 | 90725 [2-month plot]
Klip River at R41 Witpoortjie U/S Durban Deep Mine |
|
2020-01-21 | 690 | 980 | 1 | 7.7 | - | HIGH | low | HIGH | low |
| 3 | 90725 | 2020-01-21 | 690 | 980 | 1 | 7.7 | - | HIGH | low | HIGH | low | |
| 3 | 90725 | 2020-02-11 | 610 | 760 | 1 | 7.5 | - | HIGH | low | HIGH | low | |
| 4 | 90727 [2-month plot]
At Golden Highway Olifantsvlei van Wyk on Kliprivier |
|
2020-01-21 | 77000 | 190000 | 3 | 7.5 | - | HIGH | HIGH | HIGH | HIGH |
| 4 | 90727 | 2020-01-21 | 77000 | 190000 | 3 | 7.5 | - | HIGH | HIGH | HIGH | HIGH | |
| 4 | 90727 | 2020-02-11 | 29000 | 40000 | 18 | 7.4 | - | HIGH | HIGH | HIGH | HIGH | |
| 5 | 189147 [2-month plot]
Warden 150 M upstream of Dam Wall on Cornelisrivier |
|
2020-01-14 | 66 | 68 | - | - | - | HIGH | low | low | low |
| 5 | 189147 | 2020-02-25 | 16 | 21 | 16 | 7.8 | - | HIGH | low | low | low | |
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