| № | 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 | 90697 [2-month plot]
(B8) Nigel R51 Road Bridge to Balfour |
|
2001-11-27 | - | 193 | - | 8.1 | - | HIGH | low | low | low |
| 1 | 90697 | 2001-12-19 | - | 370 | - | 8.3 | - | HIGH | low | Med | low | |
| 2 | 90725 [2-month plot]
Klip River at R41 Witpoortjie U/S Durban Deep Mine |
|
2001-11-27 | - | 48 | - | 3.7 | - | HIGH | low | low | low |
| 2 | 90725 | 2001-11-28 | 28 | 48 | - | 3.7 | - | HIGH | low | low | low | |
| 2 | 90725 | 2001-12-20 | - | 75 | - | 4.2 | - | HIGH | low | low | low | |
| 3 | 90727 [2-month plot]
At Golden Highway Olifantsvlei van Wyk on Kliprivier |
|
2001-11-27 | 17400 | 17400 | - | 7.2 | - | HIGH | Med | HIGH | HIGH |
| 3 | 90727 | 2001-11-27 | - | 17400 | - | 7.2 | - | HIGH | Med | HIGH | HIGH | |
| 3 | 90727 | 2001-11-28 | 17400 | 17400 | - | 7.2 | - | HIGH | Med | HIGH | HIGH | |
| 3 | 90727 | 2001-12-20 | - | 0 | - | 7.7 | - | low | low | low | low | |
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