| № | 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) |
|
2004-01-29 | 900 | - | - | 7.3 | - | HIGH | low | HIGH | low |
| 1 | 90616 | 2004-02-27 | 4000 | - | - | 6.9 | - | HIGH | Med | HIGH | HIGH | |
| 2 | 90697 [2-month plot]
(B8) Nigel R51 Road Bridge to Balfour |
|
2004-01-27 | - | 110 | - | 7.7 | - | HIGH | low | low | low |
| 2 | 90697 | 2004-02-11 | - | 1100 | - | 8.1 | - | HIGH | low | HIGH | Med | |
| 3 | 90725 [2-month plot]
Klip River at R41 Witpoortjie U/S Durban Deep Mine |
|
2004-01-23 | 460 | 460 | - | 7.8 | - | HIGH | low | HIGH | low |
| 4 | 187058 [2-month plot]
Dam at 42ND Hill Informal Settlement |
|
2004-01-23 | 59 | - | 49 | 7.6 | 22.0 | HIGH | low | low | low |
| 4 | 187058 | 2004-02-17 | 1300 | - | 6 | 7.7 | 19.5 | HIGH | low | HIGH | Med | |
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