| № | 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) |
|
2018-11-21 | 4410 | 4900 | - | 7.2 | - | HIGH | Med | HIGH | HIGH |
| 1 | 90616 | 2018-12-12 | 4000 | 4000 | - | 7.2 | - | HIGH | Med | HIGH | HIGH | |
| 2 | 90697 [2-month plot]
(B8) Nigel R51 Road Bridge to Balfour |
|
2018-11-20 | 700 | 800 | - | 7.4 | - | HIGH | low | HIGH | low |
| 2 | 90697 | 2018-12-11 | 90 | 100 | - | 8.1 | - | HIGH | low | low | low | |
| 3 | 90725 [2-month plot]
Klip River at R41 Witpoortjie U/S Durban Deep Mine |
|
2018-11-20 | 3700000 | 3700000 | 3 | 6.9 | - | HIGH | HIGH | HIGH | HIGH |
| 3 | 90725 | 2018-12-11 | 510000 | 510000 | 13 | 7.2 | - | HIGH | HIGH | HIGH | HIGH | |
| 4 | 90727 [2-month plot]
At Golden Highway Olifantsvlei van Wyk on Kliprivier |
|
2018-11-20 | 12600 | 14000 | 35 | 7.6 | - | HIGH | Med | HIGH | HIGH |
| 4 | 90727 | 2018-12-11 | 6800 | 6800 | 3 | 7.3 | - | HIGH | Med | HIGH | HIGH | |
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