| № | Site [ view Middle 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 | 90849 [2-month plot]
Kroonstad - at R76 Road Bridge on Vals River (Old Barend Wessel) |
|
2014-07-01 | 727 | - | - | 7.9 | - | HIGH | low | HIGH | low |
| 1 | 90849 | 2014-08-01 | 1733 | - | - | 8.0 | - | HIGH | low | HIGH | Med | |
| 2 | 182718 [2-month plot]
Skoonspruit D/S from Orkney Sewage Works |
|
2014-07-03 | 2420 | - | - | 7.3 | - | HIGH | Med | HIGH | Med |
| 2 | 182718 | 2014-08-07 | 2420 | - | - | 7.6 | - | HIGH | Med | HIGH | Med | |
| 3 | 188130 [2-month plot]
Goedgenoeg 433 IP at Orkney Road Bridge on Jagspruit on R502 |
|
2014-07-03 | 2420 | - | - | 8.0 | - | HIGH | Med | HIGH | Med |
| 3 | 188130 | 2014-08-07 | 2420 | - | - | 7.6 | - | HIGH | Med | HIGH | Med | |
| 4 | 188132 [2-month plot]
Orkney - at R30 Bothaville Orkney Bridge on Vaalrivier |
|
2014-07-07 | 19 | - | - | 9.2 | - | HIGH | low | low | low |
| 4 | 188132 | 2014-08-11 | 3 | - | - | 9.4 | - | Med | low | low | low | |
| 5 | 191050 [2-month plot]
Floorsdrift 15 - Hoopstad at R59 Road Bridge on Vetrivier |
|
2014-07-24 | 35 | - | - | 9.2 | - | HIGH | low | low | low |
| 5 | 191050 | 2014-08-19 | 60 | - | - | 8.5 | - | HIGH | low | low | low | |
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