[ view Lower Vaal sites in Google Earth ]
NTU
oC
no treatment
limited treatment
partial
contact
crops eaten raw
Gong Gong D/S Barkly West on Vaal
Doornfonteyn Middelplaats D/S Warrenton on Vaal
| № | Site [ view Lower 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 | 188487 [2-month plot]
Gong Gong D/S Barkly West on Vaal |
|
2007-03-14 | 29 | - | - | - | - | HIGH | low | low | low |
| 1 | 188487 | 2007-03-30 | 201 | - | - | - | - | HIGH | low | Med | low | |
| 1 | 188487 | 2007-04-11 | 201 | - | - | - | - | HIGH | low | Med | low | |
| 1 | 188487 | 2007-04-17 | 109 | - | - | - | - | HIGH | low | low | low | |
| 2 | 188489 [2-month plot]
Doornfonteyn Middelplaats D/S Warrenton on Vaal |
|
2007-03-14 | 145 | - | - | - | - | HIGH | low | low | low |
| 2 | 188489 | 2007-03-30 | 201 | - | - | - | - | HIGH | low | Med | low | |
| 2 | 188489 | 2007-04-11 | 201 | - | - | - | - | HIGH | low | Med | low | |
| 2 | 188489 | 2007-04-23 | 201 | - | - | - | - | HIGH | low | Med | low | |
 |
 |