№ | 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 | 90616 [2-month plot]
Rietspruit at Kaalplaats (Rw RV2) |
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2008-11-18 | 4600 | 4600 | - | 7.3 | - | HIGH | Med | HIGH | HIGH |
1 | 90616 | 2008-12-09 | 24000 | 37000 | - | 7.5 | - | HIGH | HIGH | HIGH | HIGH | |
2 | 90697 [2-month plot]
(B8) Nigel R51 Road Bridge to Balfour |
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2008-11-12 | 380 | 380 | - | 8.1 | - | HIGH | low | Med | low |
2 | 90697 | 2008-12-10 | 200 | 200 | - | 8.2 | - | HIGH | low | Med | low | |
3 | 90725 [2-month plot]
Klip River at R41 Witpoortjie U/S Durban Deep Mine |
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2008-11-19 | 250 | 290 | - | 8.4 | - | HIGH | low | Med | low |
4 | 90727 [2-month plot]
At Golden Highway Olifantsvlei van Wyk on Kliprivier |
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2008-11-19 | 70 | 190 | - | 8.5 | - | HIGH | low | low | low |
5 | 182718 [2-month plot]
Skoonspruit D/S from Orkney Sewage Works |
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2008-11-12 | 8800 | - | 5 | 8.0 | 20.0 | HIGH | Med | HIGH | HIGH |
5 | 182718 | 2008-12-01 | 921 | - | 5 | 7.3 | 20.0 | HIGH | low | HIGH | low | |
5 | 182718 | 2008-12-11 | 3000 | - | 3 | 7.3 | 22.0 | HIGH | Med | HIGH | Med | |
5 | 182718 | 2008-12-23 | 900 | - | 3 | 7.2 | 24.0 | HIGH | low | HIGH | low | |
6 | 188130 [2-month plot]
Goedgenoeg 433 IP at Orkney Road Bridge on Jagspruit on R502 |
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2008-11-12 | 242000 | - | 198 | 8.1 | 20.0 | HIGH | HIGH | HIGH | HIGH |
6 | 188130 | 2008-12-01 | 308 | - | 27 | 8.8 | 20.0 | HIGH | low | Med | low | |
6 | 188130 | 2008-12-11 | 1300 | - | 6 | 8.1 | 22.0 | HIGH | low | HIGH | Med | |
6 | 188130 | 2008-12-23 | 5600 | - | 60 | 7.7 | 24.0 | HIGH | Med | HIGH | HIGH | |
7 | 188131 [2-month plot]
Koekemoerspruit at Buffelsfontein Bridge |
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2008-11-12 | 1000 | - | 10 | 8.1 | 20.0 | HIGH | low | HIGH | Med |
7 | 188131 | 2008-12-01 | 133 | - | 49 | 7.5 | 21.0 | HIGH | low | low | low | |
7 | 188131 | 2008-12-11 | 345 | - | 16 | 7.4 | 22.0 | HIGH | low | Med | low | |
7 | 188131 | 2008-12-23 | 900 | - | 18 | 7.7 | 24.0 | HIGH | low | HIGH | low | |
8 | 188132 [2-month plot]
Orkney - at R30 Bothaville Orkney Bridge on Vaalrivier |
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2008-11-12 | 81 | - | 11 | 8.5 | 22.0 | HIGH | low | low | low |
8 | 188132 | 2008-12-01 | 173 | - | 15 | 7.9 | 23.0 | HIGH | low | low | low | |
8 | 188132 | 2008-12-11 | 31 | - | 8 | 8.3 | 24.0 | HIGH | low | low | low | |
8 | 188132 | 2008-12-23 | 15 | - | 10 | 8.9 | 26.0 | HIGH | low | low | low | |
9 | 188487 [2-month plot]
Gong Gong D/S Barkly West on Vaal |
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2008-11-05 | 1 | - | - | - | - | Med | low | low | low |
9 | 188487 | 2008-11-05 | 1 | - | - | - | - | Med | low | low | low | |
9 | 188487 | 2008-11-27 | 0 | - | - | - | - | low | low | low | low | |
10 | 188489 [2-month plot]
Doornfonteyn Middelplaats D/S Warrenton on Vaal |
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2008-11-05 | 144 | - | - | - | - | HIGH | low | low | low |
10 | 188489 | 2008-11-05 | 144 | - | - | - | - | HIGH | low | low | low | |
10 | 188489 | 2008-11-27 | 1 | - | - | - | - | Med | low | low | low | |
11 | 191693 [2-month plot]
- Soweto Eldoradopark - at Road Bridge on Klipspruit |
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2008-11-12 | 47000 | - | - | - | - | HIGH | HIGH | HIGH | HIGH |
11 | 191693 | 2008-12-11 | 58000 | - | - | - | - | HIGH | HIGH | HIGH | HIGH | |
12 | 191696 [2-month plot]
Sia 20 - Eldorado Park Goudkoppie - at Goudkoppie WWTW, near Power Park |
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2008-11-12 | 9100 | - | - | - | - | HIGH | Med | HIGH | HIGH |
12 | 191696 | 2008-12-08 | 9500 | - | - | - | - | HIGH | Med | HIGH | HIGH | |
13 | 191876 [2-month plot]
Roodepoort Bothasfontein 408 JR - at Florida Lake Outlet |
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2008-11-12 | 80000 | - | - | - | - | HIGH | HIGH | HIGH | HIGH |
13 | 191876 | 2008-12-11 | 200 | - | - | - | - | HIGH | low | Med | low |
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