| № | 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 | 90616 [2-month plot]
Rietspruit at Kaalplaats (Rw RV2) |
|
2021-05-13 | 3600 | 8200 | - | 7.6 | - | HIGH | Med | HIGH | Med |
| 1 | 90616 | 2021-06-08 | 22000 | 31000 | - | 7.5 | - | HIGH | HIGH | HIGH | HIGH | |
| 2 | 90697 [2-month plot]
(B8) Nigel R51 Road Bridge to Balfour |
|
2021-05-19 | 24 | 28 | - | 8.1 | - | HIGH | low | low | low |
| 2 | 90697 | 2021-06-15 | 640 | 680 | - | 8.0 | - | HIGH | low | HIGH | low | |
| 3 | 90725 [2-month plot]
Klip River at R41 Witpoortjie U/S Durban Deep Mine |
|
2021-05-12 | 51000 | 62000 | 1 | 7.7 | - | HIGH | HIGH | HIGH | HIGH |
| 3 | 90725 | 2021-06-11 | 32000 | 32000 | 11 | 7.3 | - | HIGH | HIGH | HIGH | HIGH | |
| 3 | 90725 | 2021-06-23 | 11000 | 11000 | 10 | 7.5 | - | HIGH | Med | HIGH | HIGH | |
| 4 | 90727 [2-month plot]
At Golden Highway Olifantsvlei van Wyk on Kliprivier |
|
2021-05-12 | 32 | 32 | 5 | 7.3 | - | HIGH | low | low | low |
| 4 | 90727 | 2021-06-11 | 99000 | 99000 | 6 | 7.2 | - | HIGH | HIGH | HIGH | HIGH | |
| 4 | 90727 | 2021-06-23 | 27000 | 27000 | 7 | 7.3 | - | HIGH | HIGH | HIGH | HIGH | |
| 5 | 189147 [2-month plot]
Warden 150 M upstream of Dam Wall on Cornelisrivier |
|
2021-05-20 | 34 | 34 | 18 | 8.0 | - | HIGH | low | low | low |
| 5 | 189147 | 2021-06-17 | 270000 | 270000 | 88 | 7.4 | - | HIGH | HIGH | HIGH | HIGH | |
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