№ | 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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2010-11-17 | - | 5100 | - | - | - | HIGH | Med | HIGH | HIGH |
1 | 90616 | 2010-11-30 | 12000 | 19000 | - | - | - | HIGH | Med | HIGH | HIGH | |
2 | 90697 [2-month plot]
(B8) Nigel R51 Road Bridge to Balfour |
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2010-12-01 | 470 | 470 | - | 7.6 | - | HIGH | low | HIGH | low |
3 | 90725 [2-month plot]
Klip River at R41 Witpoortjie U/S Durban Deep Mine |
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2010-11-18 | 320 | 420 | - | 7.8 | - | HIGH | low | Med | low |
3 | 90725 | 2010-12-02 | 1090 | 1090 | - | 7.5 | - | HIGH | low | HIGH | Med | |
4 | 90727 [2-month plot]
At Golden Highway Olifantsvlei van Wyk on Kliprivier |
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2010-12-02 | 62 | 62 | - | 7.4 | - | HIGH | low | low | low |
5 | 182718 [2-month plot]
Skoonspruit D/S from Orkney Sewage Works |
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2010-11-08 | 1690 | - | 39 | 8.0 | 22.0 | HIGH | low | HIGH | Med |
5 | 182718 | 2010-11-22 | 291 | - | 8 | 7.9 | 24.0 | HIGH | low | Med | low | |
5 | 182718 | 2010-12-07 | 15 | - | 15 | 7.9 | 23.0 | HIGH | low | low | low | |
5 | 182718 | 2010-12-20 | 9700 | - | 21 | 7.7 | 20.0 | HIGH | Med | HIGH | HIGH | |
6 | 188130 [2-month plot]
Goedgenoeg 433 IP at Orkney Road Bridge on Jagspruit on R502 |
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2010-11-08 | 520 | - | 42 | 8.0 | 24.0 | HIGH | low | HIGH | low |
6 | 188130 | 2010-11-22 | 1300 | - | 26 | 7.8 | 24.0 | HIGH | low | HIGH | Med | |
6 | 188130 | 2010-12-07 | 10140 | - | 23 | 9.0 | 23.0 | HIGH | Med | HIGH | HIGH | |
6 | 188130 | 2010-12-07 | - | 1700 | 23 | 9.0 | 23.0 | HIGH | low | HIGH | Med | |
6 | 188130 | 2010-12-20 | 137600 | - | 50 | 7.8 | 21.0 | HIGH | HIGH | HIGH | HIGH | |
7 | 188131 [2-month plot]
Koekemoerspruit at Buffelsfontein Bridge |
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2010-11-08 | 300 | - | 25 | 8.6 | 23.0 | HIGH | low | Med | low |
7 | 188131 | 2010-11-22 | 200 | - | 27 | 9.1 | 25.0 | HIGH | low | Med | low | |
7 | 188131 | 2010-12-07 | 41060 | - | 11 | 8.0 | 23.0 | HIGH | HIGH | HIGH | HIGH | |
7 | 188131 | 2010-12-20 | 677 | - | 282 | 7.7 | 21.0 | HIGH | low | HIGH | low | |
8 | 188132 [2-month plot]
Orkney - at R30 Bothaville Orkney Bridge on Vaalrivier |
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2010-11-08 | 520 | - | 20 | 9.2 | 24.0 | HIGH | low | HIGH | low |
8 | 188132 | 2010-11-22 | 410 | - | 26 | 8.9 | 25.0 | HIGH | low | HIGH | low | |
8 | 188132 | 2010-12-07 | 20 | - | 20 | 9.1 | 24.0 | HIGH | low | low | low | |
8 | 188132 | 2010-12-20 | 1250 | - | 202 | 7.7 | 22.0 | HIGH | low | HIGH | Med | |
9 | 188487 [2-month plot]
Gong Gong D/S Barkly West on Vaal |
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2010-11-16 | 15 | - | - | - | - | HIGH | low | low | low |
9 | 188487 | 2010-12-03 | 1 | - | - | - | - | Med | low | low | low | |
9 | 188487 | 2010-12-15 | 112 | - | - | - | - | HIGH | low | low | low | |
10 | 188489 [2-month plot]
Doornfonteyn Middelplaats D/S Warrenton on Vaal |
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2010-11-16 | 3 | - | - | - | - | Med | low | low | low |
10 | 188489 | 2010-12-03 | 148 | - | - | - | - | HIGH | low | low | low | |
10 | 188489 | 2010-12-15 | 91 | - | - | - | - | HIGH | low | low | low | |
11 | 189147 [2-month plot]
Warden 150 M upstream of Dam Wall on Cornelisrivier |
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2010-11-10 | 915 | - | - | - | - | HIGH | low | HIGH | low |
11 | 189147 | 2010-12-08 | 223 | - | - | - | - | HIGH | low | Med | low | |
12 | 191693 [2-month plot]
- Soweto Eldoradopark - at Road Bridge on Klipspruit |
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2010-11-11 | 2900 | - | - | - | - | HIGH | Med | HIGH | Med |
12 | 191693 | 2010-12-09 | 48000 | - | - | - | - | HIGH | HIGH | HIGH | HIGH | |
13 | 191696 [2-month plot]
Sia 20 - Eldorado Park Goudkoppie - at Goudkoppie WWTW, near Power Park |
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2010-11-11 | 2400000 | - | - | - | - | HIGH | HIGH | HIGH | HIGH |
13 | 191696 | 2010-12-09 | 2400000 | - | - | - | - | HIGH | HIGH | HIGH | HIGH | |
14 | 191876 [2-month plot]
Roodepoort Bothasfontein 408 JR - at Florida Lake Outlet |
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2010-11-11 | 3200 | - | - | - | - | HIGH | Med | HIGH | Med |
14 | 191876 | 2010-11-11 | 3200 | - | - | - | - | HIGH | Med | HIGH | Med | |
14 | 191876 | 2010-12-09 | 3200 | - | - | - | - | HIGH | Med | HIGH | Med | |
14 | 191876 | 2010-12-09 | 3200 | - | - | - | - | HIGH | Med | HIGH | Med |
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