№ | 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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2010-09-08 | - | 75 | - | 7.2 | - | HIGH | low | low | low |
1 | 90616 | 2010-10-07 | - | 1500 | - | 7.9 | - | HIGH | low | HIGH | Med | |
2 | 90697 [2-month plot]
(B8) Nigel R51 Road Bridge to Balfour |
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2010-09-07 | 79 | 82 | - | 7.7 | - | HIGH | low | low | low |
3 | 90725 [2-month plot]
Klip River at R41 Witpoortjie U/S Durban Deep Mine |
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2010-09-16 | 490 | 490 | - | - | - | HIGH | low | HIGH | low |
3 | 90725 | 2010-10-06 | 780 | 820 | - | 7.3 | - | HIGH | low | HIGH | low | |
4 | 90727 [2-month plot]
At Golden Highway Olifantsvlei van Wyk on Kliprivier |
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2010-09-16 | 6300 | 7800 | - | - | - | HIGH | Med | HIGH | HIGH |
4 | 90727 | 2010-10-06 | 3 | 3 | - | 7.9 | - | Med | low | low | low | |
5 | 182718 [2-month plot]
Skoonspruit D/S from Orkney Sewage Works |
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2010-09-13 | 308 | - | 5 | 7.8 | 24.0 | HIGH | low | Med | low |
5 | 182718 | 2010-09-27 | 6830 | - | 4 | 8.0 | 23.0 | HIGH | Med | HIGH | HIGH | |
5 | 182718 | 2010-10-11 | 1553 | - | 3 | 8.0 | 20.0 | HIGH | low | HIGH | Med | |
5 | 182718 | 2010-10-26 | 7300 | - | 3 | 7.9 | 19.0 | HIGH | Med | HIGH | HIGH | |
6 | 188130 [2-month plot]
Goedgenoeg 433 IP at Orkney Road Bridge on Jagspruit on R502 |
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2010-09-13 | 649 | - | 11 | 8.9 | 24.0 | HIGH | low | HIGH | low |
6 | 188130 | 2010-09-27 | 13760 | - | 9 | 8.0 | 22.0 | HIGH | Med | HIGH | HIGH | |
6 | 188130 | 2010-10-11 | 2130 | - | 4 | 7.9 | 20.0 | HIGH | Med | HIGH | Med | |
6 | 188130 | 2010-10-26 | 4640 | - | 10 | 7.9 | 19.0 | HIGH | Med | HIGH | HIGH | |
7 | 188131 [2-month plot]
Koekemoerspruit at Buffelsfontein Bridge |
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2010-09-13 | 43 | - | 18 | 9.3 | 24.0 | HIGH | low | low | low |
7 | 188131 | 2010-09-27 | 45 | - | 20 | 9.2 | 22.0 | HIGH | low | low | low | |
7 | 188131 | 2010-10-11 | 105 | - | 19 | 8.9 | 20.0 | HIGH | low | low | low | |
7 | 188131 | 2010-10-26 | 81 | - | 1 | 7.8 | 20.0 | HIGH | low | low | low | |
8 | 188132 [2-month plot]
Orkney - at R30 Bothaville Orkney Bridge on Vaalrivier |
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2010-09-13 | 28 | - | 17 | 9.4 | 23.0 | HIGH | low | low | low |
8 | 188132 | 2010-09-27 | 99 | - | 18 | 9.4 | 23.0 | HIGH | low | low | low | |
8 | 188132 | 2010-10-11 | 15 | - | 18 | 9.2 | 21.0 | HIGH | low | low | low | |
8 | 188132 | 2010-10-26 | 12010 | - | 18 | 9.2 | 20.0 | HIGH | Med | HIGH | HIGH | |
9 | 188487 [2-month plot]
Gong Gong D/S Barkly West on Vaal |
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2010-10-28 | 2 | - | - | - | - | Med | low | low | low |
10 | 188489 [2-month plot]
Doornfonteyn Middelplaats D/S Warrenton on Vaal |
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2010-10-28 | 6 | - | - | - | - | Med | low | low | low |
11 | 191693 [2-month plot]
- Soweto Eldoradopark - at Road Bridge on Klipspruit |
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2010-09-09 | 710 | - | - | - | - | HIGH | low | HIGH | low |
11 | 191693 | 2010-10-14 | 290 | - | - | - | - | HIGH | low | Med | low | |
12 | 191696 [2-month plot]
Sia 20 - Eldorado Park Goudkoppie - at Goudkoppie WWTW, near Power Park |
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2010-09-09 | 82000 | - | - | - | - | HIGH | HIGH | HIGH | HIGH |
12 | 191696 | 2010-10-14 | 240000 | - | - | - | - | HIGH | HIGH | HIGH | HIGH | |
13 | 191876 [2-month plot]
Roodepoort Bothasfontein 408 JR - at Florida Lake Outlet |
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2010-09-09 | 54 | - | - | - | - | HIGH | low | low | low |
13 | 191876 | 2010-10-14 | 370 | - | - | - | - | HIGH | low | Med | low | |
13 | 191876 | 2010-10-14 | 370 | - | - | - | - | HIGH | low | Med | low |
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