№ | 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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2008-05-06 | 31000 | 34000 | - | 8.6 | - | HIGH | HIGH | HIGH | HIGH |
2 | 90697 [2-month plot]
(B8) Nigel R51 Road Bridge to Balfour |
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2008-05-09 | 39 | 41 | - | - | - | HIGH | low | low | low |
2 | 90697 | 2008-05-09 | 39 | 41 | - | - | - | HIGH | low | low | low | |
2 | 90697 | 2008-05-09 | 39 | 41 | - | - | - | HIGH | low | low | low | |
2 | 90697 | 2008-05-09 | 39 | 41 | - | - | - | HIGH | low | low | low | |
2 | 90697 | 2008-05-29 | 19 | 21 | - | - | - | HIGH | low | low | low | |
2 | 90697 | 2008-06-17 | 19 | 21 | - | 8.0 | - | HIGH | low | low | low | |
3 | 90725 [2-month plot]
Klip River at R41 Witpoortjie U/S Durban Deep Mine |
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2008-05-08 | 31 | 31 | - | 6.4 | - | HIGH | low | low | low |
3 | 90725 | 2008-06-25 | 39 | 43 | - | 6.4 | - | HIGH | low | low | low | |
4 | 90727 [2-month plot]
At Golden Highway Olifantsvlei van Wyk on Kliprivier |
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2008-05-08 | 1200 | 2200 | - | 8.0 | - | HIGH | low | HIGH | Med |
4 | 90727 | 2008-06-25 | 160 | 190 | - | 7.2 | - | HIGH | low | low | low | |
5 | 182718 [2-month plot]
Skoonspruit D/S from Orkney Sewage Works |
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2008-05-12 | 600 | - | 4 | 7.5 | 16.0 | HIGH | low | HIGH | low |
5 | 182718 | 2008-05-26 | 1553 | - | 44 | 7.5 | 15.0 | HIGH | low | HIGH | Med | |
5 | 182718 | 2008-06-09 | 308 | - | 2 | 7.6 | 16.0 | HIGH | low | Med | low | |
5 | 182718 | 2008-06-23 | 4350 | - | 1 | 7.6 | 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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2008-05-12 | 5500 | - | 19 | 8.9 | 18.0 | HIGH | Med | HIGH | HIGH |
6 | 188130 | 2008-05-26 | 43500 | - | 108 | 7.9 | 19.0 | HIGH | HIGH | HIGH | HIGH | |
6 | 188130 | 2008-06-09 | 91 | - | 31 | 7.8 | 14.0 | HIGH | low | low | low | |
6 | 188130 | 2008-06-23 | 60 | - | 16 | 8.1 | 18.0 | HIGH | low | low | low | |
7 | 188131 [2-month plot]
Koekemoerspruit at Buffelsfontein Bridge |
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2008-05-12 | 249 | - | 15 | 7.8 | 18.0 | HIGH | low | Med | low |
7 | 188131 | 2008-05-26 | 1733 | - | 12 | 7.7 | 14.0 | HIGH | low | HIGH | Med | |
7 | 188131 | 2008-06-09 | 88 | - | 5 | 7.8 | 14.0 | HIGH | low | low | low | |
7 | 188131 | 2008-06-23 | 200 | - | 6 | 7.7 | 18.0 | HIGH | low | Med | low | |
8 | 188132 [2-month plot]
Orkney - at R30 Bothaville Orkney Bridge on Vaalrivier |
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2008-05-12 | 11 | - | 12 | 9.1 | 17.0 | HIGH | low | low | low |
8 | 188132 | 2008-05-26 | 36 | - | 13 | 8.8 | 15.0 | HIGH | low | low | low | |
8 | 188132 | 2008-06-09 | 12 | - | 13 | 9.2 | 13.0 | HIGH | low | low | low | |
8 | 188132 | 2008-06-23 | 20 | - | 9 | 8.7 | 18.0 | HIGH | low | low | low | |
9 | 188487 [2-month plot]
Gong Gong D/S Barkly West on Vaal |
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2008-05-06 | 10 | - | - | - | - | HIGH | low | low | low |
9 | 188487 | 2008-05-22 | 31 | - | - | - | - | HIGH | low | low | low | |
9 | 188487 | 2008-06-06 | 201 | - | - | - | - | HIGH | low | Med | low | |
9 | 188487 | 2008-06-06 | 201 | - | - | - | - | HIGH | low | Med | low | |
9 | 188487 | 2008-06-18 | 21 | - | - | - | - | HIGH | low | low | low | |
9 | 188487 | 2008-06-18 | 21 | - | - | - | - | HIGH | low | low | low | |
10 | 188489 [2-month plot]
Doornfonteyn Middelplaats D/S Warrenton on Vaal |
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2008-05-06 | 201 | - | - | - | - | HIGH | low | Med | low |
10 | 188489 | 2008-05-22 | 25 | - | - | - | - | HIGH | low | low | low | |
10 | 188489 | 2008-06-05 | 201 | - | - | - | - | HIGH | low | Med | low | |
10 | 188489 | 2008-06-05 | 201 | - | - | - | - | HIGH | low | Med | low | |
10 | 188489 | 2008-06-18 | 101 | - | - | - | - | HIGH | low | low | low | |
10 | 188489 | 2008-06-18 | 101 | - | - | - | - | HIGH | low | low | low |
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