№ | 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 |
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1 | 90849 [2-month plot]
Kroonstad - at R76 Road Bridge on Vals River (Old Barend Wessel) |
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2013-09-20 | 2420 | - | 3 | 7.8 | - | HIGH | Med | HIGH | Med |
1 | 90849 | 2013-10-17 | 2420 | - | - | 7.8 | - | HIGH | Med | HIGH | Med | |
2 | 182718 [2-month plot]
Skoonspruit D/S from Orkney Sewage Works |
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2013-09-17 | 2420 | - | - | 7.8 | - | HIGH | Med | HIGH | Med |
2 | 182718 | 2013-10-08 | 2420 | - | - | 7.5 | - | HIGH | Med | HIGH | Med | |
3 | 188130 [2-month plot]
Goedgenoeg 433 IP at Orkney Road Bridge on Jagspruit on R502 |
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2013-09-17 | 1203 | - | - | 7.7 | - | HIGH | low | HIGH | Med |
3 | 188130 | 2013-10-08 | 2420 | - | - | 7.5 | - | HIGH | Med | HIGH | Med | |
4 | 188132 [2-month plot]
Orkney - at R30 Bothaville Orkney Bridge on Vaalrivier |
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2013-09-13 | 190 | - | - | 8.9 | - | HIGH | low | low | low |
4 | 188132 | 2013-10-23 | 280 | - | - | 8.8 | - | HIGH | low | Med | low | |
5 | 191050 [2-month plot]
Floorsdrift 15 - Hoopstad at R59 Road Bridge on Vetrivier |
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2013-09-18 | 1986 | - | - | 9.4 | - | HIGH | low | HIGH | Med |
5 | 191050 | 2013-10-14 | 2420 | - | - | 9.3 | - | HIGH | Med | HIGH | Med |
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