| № | 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) |
|
2006-11-15 | 4300 | - | - | 7.4 | - | HIGH | Med | HIGH | HIGH |
| 1 | 90616 | 2006-12-05 | 12000 | - | - | 7.3 | - | HIGH | Med | HIGH | HIGH | |
| 2 | 90697 [2-month plot]
(B8) Nigel R51 Road Bridge to Balfour |
|
2006-11-02 | 620 | 670 | - | 7.7 | - | HIGH | low | HIGH | low |
| 3 | 90725 [2-month plot]
Klip River at R41 Witpoortjie U/S Durban Deep Mine |
|
2006-11-23 | 69 | 69 | - | - | - | HIGH | low | low | low |
| 3 | 90725 | 2006-12-12 | 170 | 210 | - | 8.4 | - | HIGH | low | low | low | |
| 4 | 90727 [2-month plot]
At Golden Highway Olifantsvlei van Wyk on Kliprivier |
|
2006-11-23 | 0 | 0 | - | - | - | low | low | low | low |
| 4 | 90727 | 2006-12-12 | 24 | 34 | - | 8.3 | - | HIGH | low | low | low | |
| 5 | 188487 [2-month plot]
Gong Gong D/S Barkly West on Vaal |
|
2006-11-16 | 53 | - | - | - | - | HIGH | low | low | low |
| 5 | 188487 | 2006-11-27 | 15 | - | - | - | - | HIGH | low | low | low | |
| 6 | 188488 [2-month plot]
Brent Park Rondavel Noord 1475 - at Moakeng Weir D/S Kroonstad on Valsrivier |
|
2006-11-16 | 8 | - | - | - | - | Med | low | low | low |
| 6 | 188488 | 2006-11-27 | 109 | - | - | - | - | HIGH | low | low | low | |
| 7 | 188489 [2-month plot]
Doornfonteyn Middelplaats D/S Warrenton on Vaal |
|
2006-11-16 | 8 | - | - | - | - | Med | low | low | low |
| 7 | 188489 | 2006-11-27 | 109 | - | - | - | - | HIGH | low | low | low | |
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