| № | 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 |
|
2001-10-17 | - | 52 | - | 7.8 | - | HIGH | low | low | low |
| 1 | 90697 | 2001-10-17 | - | 115 | - | 7.8 | - | HIGH | low | low | low | |
| 2 | 90725 [2-month plot]
Klip River at R41 Witpoortjie U/S Durban Deep Mine |
|
2001-09-25 | - | 5400 | - | 3.9 | - | HIGH | Med | HIGH | HIGH |
| 2 | 90725 | 2001-09-25 | - | 5400 | - | 3.9 | - | HIGH | Med | HIGH | HIGH | |
| 2 | 90725 | 2001-09-26 | - | 5400 | - | 3.9 | - | HIGH | Med | HIGH | HIGH | |
| 2 | 90725 | 2001-10-23 | 80 | 89 | - | 3.7 | - | HIGH | low | low | low | |
| 2 | 90725 | 2001-10-23 | - | 89 | - | 3.7 | - | HIGH | low | low | low | |
| 2 | 90725 | 2001-10-24 | 80 | 89 | - | 3.7 | - | HIGH | low | low | low | |
| 3 | 90727 [2-month plot]
At Golden Highway Olifantsvlei van Wyk on Kliprivier |
|
2001-09-25 | - | 740 | - | 7.5 | - | HIGH | low | HIGH | low |
| 3 | 90727 | 2001-09-25 | - | 740 | - | 7.5 | - | HIGH | low | HIGH | low | |
| 3 | 90727 | 2001-09-26 | - | 740 | - | 7.5 | - | HIGH | low | HIGH | low | |
| 3 | 90727 | 2001-10-23 | 500 | 700 | - | 7.5 | - | HIGH | low | HIGH | low | |
| 3 | 90727 | 2001-10-23 | - | 700 | - | 7.5 | - | HIGH | low | HIGH | low | |
| 3 | 90727 | 2001-10-24 | 500 | 700 | - | 7.5 | - | HIGH | low | HIGH | low | |
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