| № | 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) |
|
2004-07-28 | 3300 | - | - | 7.5 | - | HIGH | Med | HIGH | Med |
| 1 | 90616 | 2004-08-24 | 4300 | - | - | 7.6 | - | HIGH | Med | HIGH | HIGH | |
| 2 | 90697 [2-month plot]
(B8) Nigel R51 Road Bridge to Balfour |
|
2004-07-14 | 66 | 66 | - | 7.9 | - | HIGH | low | low | low |
| 2 | 90697 | 2004-08-19 | 80 | 82 | - | 8.2 | - | HIGH | low | low | low | |
| 3 | 90725 [2-month plot]
Klip River at R41 Witpoortjie U/S Durban Deep Mine |
|
2004-07-28 | 8 | 8 | - | 6.4 | - | Med | low | low | low |
| 4 | 90727 [2-month plot]
At Golden Highway Olifantsvlei van Wyk on Kliprivier |
|
2004-07-28 | 120 | 120 | - | 8.1 | - | HIGH | low | low | low |
| 5 | 187058 [2-month plot]
Dam at 42ND Hill Informal Settlement |
|
2004-07-12 | 17 | - | 4 | 7.8 | 7.5 | HIGH | low | low | low |
| 5 | 187058 | 2004-08-31 | 194 | - | 1 | 7.9 | 16.0 | HIGH | low | low | low | |
 |
 |