№ | 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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2009-11-18 | 18000 | 18000 | - | 7.5 | - | HIGH | Med | HIGH | HIGH |
1 | 90616 | 2009-12-01 | 22000 | 22000 | - | 7.7 | - | HIGH | HIGH | HIGH | HIGH | |
2 | 90697 [2-month plot]
(B8) Nigel R51 Road Bridge to Balfour |
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2009-11-17 | 100 | 100 | - | 7.7 | - | HIGH | low | low | low |
2 | 90697 | 2009-11-17 | 196 | 100 | - | 7.7 | - | HIGH | low | low | low | |
2 | 90697 | 2009-12-08 | 20 | 20 | - | 8.2 | - | HIGH | low | low | low | |
2 | 90697 | 2009-12-08 | 40 | - | - | 8.2 | - | HIGH | low | low | low | |
3 | 90725 [2-month plot]
Klip River at R41 Witpoortjie U/S Durban Deep Mine |
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2009-11-19 | 8500 | 8900 | - | 6.5 | - | HIGH | Med | HIGH | HIGH |
3 | 90725 | 2009-12-08 | 512 | - | - | 6.9 | - | HIGH | low | HIGH | low | |
3 | 90725 | 2009-12-08 | 590 | 590 | - | 6.9 | - | HIGH | low | HIGH | low | |
4 | 90727 [2-month plot]
At Golden Highway Olifantsvlei van Wyk on Kliprivier |
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2009-11-19 | 220 | 260 | - | 6.5 | - | HIGH | low | Med | low |
4 | 90727 | 2009-12-08 | 100 | 100 | - | 8.7 | - | HIGH | low | low | low | |
4 | 90727 | 2009-12-08 | 168 | - | - | 8.7 | - | HIGH | low | low | low | |
5 | 182718 [2-month plot]
Skoonspruit D/S from Orkney Sewage Works |
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2009-11-09 | 6700 | - | 91 | 7.7 | 21.0 | HIGH | Med | HIGH | HIGH |
5 | 182718 | 2009-11-23 | 120300 | - | 40 | 8.1 | 20.0 | HIGH | HIGH | HIGH | HIGH | |
5 | 182718 | 2009-12-07 | 1100 | - | 7 | 7.0 | 20.0 | HIGH | low | HIGH | Med | |
5 | 182718 | 2009-12-21 | 3000 | - | 7 | 7.8 | 21.0 | HIGH | Med | HIGH | Med | |
6 | 188130 [2-month plot]
Goedgenoeg 433 IP at Orkney Road Bridge on Jagspruit on R502 |
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2009-11-09 | 8100 | - | 92 | 7.7 | 21.0 | HIGH | Med | HIGH | HIGH |
6 | 188130 | 2009-11-18 | - | 200 | - | 8.9 | - | HIGH | low | Med | low | |
6 | 188130 | 2009-11-23 | 86600 | - | 41 | 8.0 | 21.0 | HIGH | HIGH | HIGH | HIGH | |
6 | 188130 | 2009-12-07 | 51700 | - | 13 | 7.4 | 20.0 | HIGH | HIGH | HIGH | HIGH | |
6 | 188130 | 2009-12-21 | 13800 | - | 47 | 7.9 | 22.0 | HIGH | Med | HIGH | HIGH | |
7 | 188131 [2-month plot]
Koekemoerspruit at Buffelsfontein Bridge |
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2009-11-09 | 225 | - | 5 | 7.6 | 21.0 | HIGH | low | Med | low |
7 | 188131 | 2009-11-23 | 228 | - | 6 | 7.6 | 20.0 | HIGH | low | Med | low | |
7 | 188131 | 2009-12-07 | 236 | - | 2 | 6.9 | 20.0 | HIGH | low | Med | low | |
7 | 188131 | 2009-12-21 | 700 | - | 4 | 7.7 | 22.0 | HIGH | low | HIGH | low | |
8 | 188132 [2-month plot]
Orkney - at R30 Bothaville Orkney Bridge on Vaalrivier |
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2009-11-09 | 56 | - | 18 | 7.6 | 22.0 | HIGH | low | low | low |
8 | 188132 | 2009-11-23 | 30 | - | 19 | 8.8 | 21.0 | HIGH | low | low | low | |
8 | 188132 | 2009-12-07 | 41 | - | 8 | 8.0 | 22.0 | HIGH | low | low | low | |
8 | 188132 | 2009-12-21 | 100 | - | 15 | 8.5 | 21.0 | HIGH | low | low | low | |
9 | 188487 [2-month plot]
Gong Gong D/S Barkly West on Vaal |
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2009-11-17 | 23 | - | - | - | - | HIGH | low | low | low |
9 | 188487 | 2009-11-30 | 0 | - | - | - | - | low | low | low | low | |
9 | 188487 | 2009-11-30 | 0 | - | - | - | - | low | low | low | low | |
10 | 188489 [2-month plot]
Doornfonteyn Middelplaats D/S Warrenton on Vaal |
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2009-11-17 | 80 | - | - | - | - | HIGH | low | low | low |
10 | 188489 | 2009-11-30 | 0 | - | - | - | - | low | low | low | low | |
10 | 188489 | 2009-11-30 | 0 | - | - | - | - | low | low | low | low | |
11 | 189142 [2-month plot]
Standerton Sakhile downstream of STW and Bucket Dumping Site on Vaal |
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2009-12-08 | 0 | - | - | - | - | low | low | low | low |
12 | 191693 [2-month plot]
- Soweto Eldoradopark - at Road Bridge on Klipspruit |
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2009-11-12 | 13000 | - | - | - | - | HIGH | Med | HIGH | HIGH |
12 | 191693 | 2009-12-10 | 39000 | - | - | - | - | HIGH | HIGH | HIGH | HIGH | |
13 | 191696 [2-month plot]
Sia 20 - Eldorado Park Goudkoppie - at Goudkoppie WWTW, near Power Park |
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2009-11-12 | 16000 | - | - | - | - | HIGH | Med | HIGH | HIGH |
13 | 191696 | 2009-11-15 | 33000 | - | - | - | - | HIGH | HIGH | HIGH | HIGH | |
13 | 191696 | 2009-12-10 | 39000 | - | - | - | - | HIGH | HIGH | HIGH | HIGH | |
14 | 191876 [2-month plot]
Roodepoort Bothasfontein 408 JR - at Florida Lake Outlet |
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2009-11-12 | 2400000 | - | - | - | - | HIGH | HIGH | HIGH | HIGH |
14 | 191876 | 2009-12-10 | 1300 | - | - | - | - | HIGH | low | HIGH | Med |
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