| № | 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) |
|
2021-03-09 | 16000 | 25000 | - | 7.5 | - | HIGH | Med | HIGH | HIGH |
| 1 | 90616 | 2021-04-21 | 17000 | 20000 | - | 7.5 | - | HIGH | Med | HIGH | HIGH | |
| 2 | 90697 [2-month plot]
(B8) Nigel R51 Road Bridge to Balfour |
|
2021-03-18 | 84 | 84 | - | 7.9 | - | HIGH | low | low | low |
| 2 | 90697 | 2021-04-15 | 57 | 107 | - | 8.0 | - | HIGH | low | low | low | |
| 3 | 90725 [2-month plot]
Klip River at R41 Witpoortjie U/S Durban Deep Mine |
|
2021-03-23 | 200 | 330 | 4 | 7.8 | - | HIGH | low | Med | low |
| 4 | 90727 [2-month plot]
At Golden Highway Olifantsvlei van Wyk on Kliprivier |
|
2021-03-23 | 28000 | 43000 | 10 | 7.1 | - | HIGH | HIGH | HIGH | HIGH |
| 5 | 189147 [2-month plot]
Warden 150 M upstream of Dam Wall on Cornelisrivier |
|
2021-03-25 | 115 | 115 | 18 | 7.8 | - | HIGH | low | low | low |
| 5 | 189147 | 2021-04-14 | 190000 | 190000 | 24 | 7.4 | - | HIGH | HIGH | HIGH | HIGH | |
 |
 |