| № | 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) |
|
2018-09-12 | 4400 | 4400 | - | 7.4 | - | HIGH | Med | HIGH | HIGH |
| 1 | 90616 | 2018-10-03 | 62000 | 62000 | - | 7.1 | - | HIGH | HIGH | HIGH | HIGH | |
| 1 | 90616 | 2018-10-31 | 400 | 400 | - | 7.0 | - | HIGH | low | HIGH | low | |
| 2 | 90697 [2-month plot]
(B8) Nigel R51 Road Bridge to Balfour |
|
2018-09-11 | 90 | 90 | - | 8.3 | - | HIGH | low | low | low |
| 2 | 90697 | 2018-10-02 | 50 | 60 | - | 7.9 | - | HIGH | low | low | low | |
| 2 | 90697 | 2018-10-30 | 176 | 220 | - | 7.5 | - | HIGH | low | low | low | |
| 3 | 90725 [2-month plot]
Klip River at R41 Witpoortjie U/S Durban Deep Mine |
|
2018-09-13 | 4900 | 4900 | 2 | 7.7 | - | HIGH | Med | HIGH | HIGH |
| 3 | 90725 | 2018-10-03 | 13000 | 13000 | 21 | 7.5 | - | HIGH | Med | HIGH | HIGH | |
| 3 | 90725 | 2018-10-31 | 80000 | 90000 | 57 | 6.5 | - | HIGH | HIGH | HIGH | HIGH | |
| 4 | 90727 [2-month plot]
At Golden Highway Olifantsvlei van Wyk on Kliprivier |
|
2018-09-13 | 270 | 270 | 0 | 7.5 | - | HIGH | low | Med | low |
| 4 | 90727 | 2018-10-03 | 1100 | 1100 | 9 | 7.6 | - | HIGH | low | HIGH | Med | |
| 4 | 90727 | 2018-10-31 | 23000 | 23000 | 4 | 7.0 | - | HIGH | HIGH | HIGH | HIGH | |
| 5 | 191693 [2-month plot]
- Soweto Eldoradopark - at Road Bridge on Klipspruit |
|
2018-10-11 | 240000 | - | - | - | - | HIGH | HIGH | HIGH | HIGH |
| 6 | 191696 [2-month plot]
Sia 20 - Eldorado Park Goudkoppie - at Goudkoppie WWTW, near Power Park |
|
2018-10-11 | 17000 | - | - | - | - | HIGH | Med | HIGH | HIGH |
| 7 | 191876 [2-month plot]
Roodepoort Bothasfontein 408 JR - at Florida Lake Outlet |
|
2018-10-11 | 310 | - | - | - | 21.8 | HIGH | low | Med | low |
 |
 |