| № | 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 | 90697 [2-month plot]
(B8) Nigel R51 Road Bridge to Balfour |
|
2005-01-20 | 60 | 60 | - | 7.7 | - | HIGH | low | low | low |
| 1 | 90697 | 2005-02-09 | 140 | 150 | - | 7.9 | - | HIGH | low | low | low | |
| 2 | 182718 [2-month plot]
Skoonspruit D/S from Orkney Sewage Works |
|
2005-02-07 | 649 | - | 48 | 8.0 | 26.0 | HIGH | low | HIGH | low |
| 3 | 188130 [2-month plot]
Goedgenoeg 433 IP at Orkney Road Bridge on Jagspruit on R502 |
|
2005-02-07 | 345 | - | 29 | 8.0 | 26.0 | HIGH | low | Med | low |
| 4 | 188131 [2-month plot]
Koekemoerspruit at Buffelsfontein Bridge |
|
2005-02-07 | 1120 | - | 4 | 7.7 | 25.0 | HIGH | low | HIGH | Med |
 |
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