№ | 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 |
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1 | 182718 [2-month plot]
Skoonspruit D/S from Orkney Sewage Works |
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2010-03-04 | 241960 | - | 8 | 7.6 | 23.0 | HIGH | HIGH | HIGH | HIGH |
1 | 182718 | 2010-03-15 | 2430 | - | 12 | 7.7 | 24.0 | HIGH | Med | HIGH | Med | |
1 | 182718 | 2010-03-30 | 7900 | - | 26 | 8.4 | 23.0 | HIGH | Med | HIGH | HIGH | |
1 | 182718 | 2010-04-12 | 7400 | - | 12 | 8.3 | 21.0 | HIGH | Med | HIGH | HIGH | |
1 | 182718 | 2010-04-28 | 173290 | - | 14 | 7.9 | 20.0 | HIGH | HIGH | HIGH | HIGH | |
2 | 188130 [2-month plot]
Goedgenoeg 433 IP at Orkney Road Bridge on Jagspruit on R502 |
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2010-03-04 | 2420 | - | 55 | 7.6 | 23.0 | HIGH | Med | HIGH | Med |
2 | 188130 | 2010-03-15 | 6890 | - | 50 | 7.8 | 26.0 | HIGH | Med | HIGH | HIGH | |
2 | 188130 | 2010-03-24 | - | 100 | - | 8.7 | - | HIGH | low | low | low | |
2 | 188130 | 2010-03-24 | - | 100 | - | 8.7 | - | HIGH | low | low | low | |
2 | 188130 | 2010-03-30 | 9100 | - | 28 | 8.4 | 23.0 | HIGH | Med | HIGH | HIGH | |
2 | 188130 | 2010-04-12 | 7900 | - | 13 | 8.3 | 21.0 | HIGH | Med | HIGH | HIGH | |
2 | 188130 | 2010-04-28 | 129970 | - | 15 | 7.9 | 20.0 | HIGH | HIGH | HIGH | HIGH | |
3 | 188131 [2-month plot]
Koekemoerspruit at Buffelsfontein Bridge |
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2010-03-04 | 160 | - | 40 | 7.6 | 23.0 | HIGH | low | low | low |
3 | 188131 | 2010-03-15 | 96 | - | 2 | 7.6 | 25.0 | HIGH | low | low | low | |
3 | 188131 | 2010-03-30 | 400 | - | 20 | 7.6 | 23.0 | HIGH | low | HIGH | low | |
3 | 188131 | 2010-04-12 | 866 | - | 5 | 7.6 | 21.0 | HIGH | low | HIGH | low | |
3 | 188131 | 2010-04-28 | 345 | - | 3 | 7.6 | 20.0 | HIGH | low | Med | low | |
4 | 188132 [2-month plot]
Orkney - at R30 Bothaville Orkney Bridge on Vaalrivier |
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2010-03-04 | 50 | - | 74 | 8.0 | 23.0 | HIGH | low | low | low |
4 | 188132 | 2010-03-15 | 23 | - | 58 | 8.3 | 26.0 | HIGH | low | low | low | |
4 | 188132 | 2010-03-30 | 62 | - | 30 | 8.4 | 23.0 | HIGH | low | low | low | |
4 | 188132 | 2010-04-12 | 236 | - | 82 | 8.0 | 21.0 | HIGH | low | Med | low | |
4 | 188132 | 2010-04-27 | - | 80 | - | 8.1 | - | HIGH | low | low | low | |
4 | 188132 | 2010-04-28 | 167 | - | 62 | 8.1 | 20.0 | HIGH | low | low | low | |
5 | 188487 [2-month plot]
Gong Gong D/S Barkly West on Vaal |
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2010-03-31 | 0 | - | - | - | - | low | low | low | low |
5 | 188487 | 2010-04-16 | 4 | - | - | - | - | Med | low | low | low | |
6 | 188489 [2-month plot]
Doornfonteyn Middelplaats D/S Warrenton on Vaal |
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2010-03-31 | 21 | - | - | - | - | HIGH | low | low | low |
6 | 188489 | 2010-04-16 | 5 | - | - | - | - | Med | low | low | low | |
7 | 191693 [2-month plot]
- Soweto Eldoradopark - at Road Bridge on Klipspruit |
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2010-03-11 | 27000 | - | - | - | - | HIGH | HIGH | HIGH | HIGH |
7 | 191693 | 2010-04-15 | 6300 | - | - | - | - | HIGH | Med | HIGH | HIGH | |
8 | 191696 [2-month plot]
Sia 20 - Eldorado Park Goudkoppie - at Goudkoppie WWTW, near Power Park |
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2010-03-11 | 18000 | - | - | - | - | HIGH | Med | HIGH | HIGH |
8 | 191696 | 2010-04-15 | 6000 | - | - | - | - | HIGH | Med | HIGH | HIGH | |
9 | 191876 [2-month plot]
Roodepoort Bothasfontein 408 JR - at Florida Lake Outlet |
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2010-03-11 | 310 | - | - | - | - | HIGH | low | Med | low |
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