| № | 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) |
|
2008-01-15 | 56000 | 66000 | - | 7.3 | - | HIGH | HIGH | HIGH | HIGH |
| 1 | 90616 | 2008-02-06 | 58000 | 58000 | - | 7.5 | - | HIGH | HIGH | HIGH | HIGH | |
| 2 | 90697 [2-month plot]
(B8) Nigel R51 Road Bridge to Balfour |
|
2008-01-16 | 200 | 200 | - | 8.1 | - | HIGH | low | Med | low |
| 2 | 90697 | 2008-02-06 | 55 | 0 | - | 7.7 | - | HIGH | low | low | low | |
| 2 | 90697 | 2008-02-28 | 40 | 80 | - | - | - | HIGH | low | low | low | |
| 3 | 90725 [2-month plot]
Klip River at R41 Witpoortjie U/S Durban Deep Mine |
|
2008-01-15 | 250 | 290 | - | - | - | HIGH | low | Med | low |
| 3 | 90725 | 2008-02-07 | 360 | 0 | - | 6.5 | - | HIGH | low | Med | low | |
| 3 | 90725 | 2008-02-07 | 360 | 440 | - | 6.5 | - | HIGH | low | Med | low | |
| 4 | 90727 [2-month plot]
At Golden Highway Olifantsvlei van Wyk on Kliprivier |
|
2008-01-15 | 1270 | 1270 | - | 8.3 | - | HIGH | low | HIGH | Med |
| 4 | 90727 | 2008-02-07 | 800 | 800 | - | 6.8 | - | HIGH | low | HIGH | low | |
 |
 |