| № | 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) |
|
2013-03-05 | 3500 | 4800 | - | 7.3 | - | HIGH | Med | HIGH | Med |
| 1 | 90616 | 2013-04-03 | 21000 | 26000 | - | 7.5 | - | HIGH | HIGH | HIGH | HIGH | |
| 1 | 90616 | 2013-04-23 | 12000 | 21000 | - | 7.7 | - | HIGH | Med | HIGH | HIGH | |
| 2 | 90697 [2-month plot]
(B8) Nigel R51 Road Bridge to Balfour |
|
2013-03-26 | 250 | 270 | - | 8.0 | - | HIGH | low | Med | low |
| 2 | 90697 | 2013-04-16 | 290 | 440 | - | 8.1 | - | HIGH | low | Med | low | |
| 3 | 90725 [2-month plot]
Klip River at R41 Witpoortjie U/S Durban Deep Mine |
|
2013-04-03 | 130 | 130 | 450 | 6.9 | - | HIGH | low | low | low |
| 3 | 90725 | 2013-04-23 | 330 | 330 | 450 | 7.0 | - | HIGH | low | Med | low | |
| 4 | 90727 [2-month plot]
At Golden Highway Olifantsvlei van Wyk on Kliprivier |
|
2013-04-03 | 130 | 170 | 8 | 7.9 | - | HIGH | low | low | low |
| 4 | 90727 | 2013-04-23 | 4800 | 6200 | 13 | 7.6 | - | HIGH | Med | HIGH | HIGH | |
| 5 | 189142 [2-month plot]
Standerton Sakhile downstream of STW and Bucket Dumping Site on Vaal |
|
2013-03-19 | 70 | 180 | - | - | - | HIGH | low | low | low |
| 5 | 189142 | 2013-04-23 | 1600 | 2900 | - | - | - | HIGH | low | HIGH | Med | |
| 6 | 189147 [2-month plot]
Warden 150 M upstream of Dam Wall on Cornelisrivier |
|
2013-03-06 | 190 | 630 | 90 | 6.0 | - | HIGH | low | low | low |
| 6 | 189147 | 2013-04-03 | 570 | 570 | - | - | - | HIGH | low | HIGH | low | |
| 6 | 189147 | 2013-04-24 | 150 | 200 | 51 | 7.8 | - | HIGH | low | low | low | |
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