№ | 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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2011-05-04 | 540 | 540 | - | 7.2 | - | HIGH | low | HIGH | low |
1 | 90616 | 2011-06-02 | 2600 | 3200 | - | 7.1 | - | HIGH | Med | HIGH | Med | |
1 | 90616 | 2011-06-28 | 1500 | 1800 | - | 7.5 | - | HIGH | low | HIGH | Med | |
2 | 90697 [2-month plot]
(B8) Nigel R51 Road Bridge to Balfour |
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2011-05-04 | 29 | 49 | - | 7.3 | - | HIGH | low | low | low |
2 | 90697 | 2011-05-24 | 68 | 68 | - | 7.2 | - | HIGH | low | low | low | |
2 | 90697 | 2011-06-30 | 24 | 34 | - | 7.8 | - | HIGH | low | low | low | |
3 | 90725 [2-month plot]
Klip River at R41 Witpoortjie U/S Durban Deep Mine |
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2011-05-24 | 32 | 77 | - | 7.0 | - | HIGH | low | low | low |
3 | 90725 | 2011-06-28 | 33 | 37 | - | 7.4 | - | HIGH | low | low | low | |
4 | 90727 [2-month plot]
At Golden Highway Olifantsvlei van Wyk on Kliprivier |
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2011-05-24 | 18 | 60 | 14 | 6.3 | - | HIGH | low | low | low |
4 | 90727 | 2011-06-28 | 32 | 59 | 2 | 7.7 | - | HIGH | low | low | low | |
5 | 101770 [2-month plot]
Smidts Drift Outspan 23 Schmidtsdrift at Weir on Vaal River |
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2011-05-13 | 4 | - | - | - | - | Med | low | low | low |
5 | 101770 | 2011-05-31 | 19 | - | - | - | - | HIGH | low | low | low | |
5 | 101770 | 2011-06-10 | 4 | - | - | - | - | Med | low | low | low | |
6 | 182718 [2-month plot]
Skoonspruit D/S from Orkney Sewage Works |
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2011-05-26 | 17329 | - | 12 | 8.6 | 13.0 | HIGH | Med | HIGH | HIGH |
6 | 182718 | 2011-06-07 | 46110 | - | 7 | 8.2 | 12.0 | HIGH | HIGH | HIGH | HIGH | |
7 | 188130 [2-month plot]
Goedgenoeg 433 IP at Orkney Road Bridge on Jagspruit on R502 |
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2011-05-26 | 11199 | - | 12 | 8.6 | 13.0 | HIGH | Med | HIGH | HIGH |
7 | 188130 | 2011-06-07 | 86640 | - | 6 | 8.2 | 12.0 | HIGH | HIGH | HIGH | HIGH | |
8 | 188131 [2-month plot]
Koekemoerspruit at Buffelsfontein Bridge |
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2011-05-26 | 326 | - | 3 | 8.0 | 14.0 | HIGH | low | Med | low |
8 | 188131 | 2011-05-26 | 326 | - | 3 | 8.0 | 14.0 | HIGH | low | Med | low | |
8 | 188131 | 2011-06-07 | 9600 | - | 3 | 7.7 | 12.0 | HIGH | Med | HIGH | HIGH | |
9 | 188132 [2-month plot]
Orkney - at R30 Bothaville Orkney Bridge on Vaalrivier |
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2011-05-26 | 21 | - | 33 | 9.1 | 14.0 | HIGH | low | low | low |
9 | 188132 | 2011-06-07 | 0 | - | 17 | 9.3 | 11.0 | low | low | low | low | |
10 | 188262 [2-month plot]
Mmabatho - at Road Bridge on Molopo River, D/S of Mafikeng |
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2011-05-17 | 170 | - | 2 | 8.0 | - | HIGH | low | low | low |
10 | 188262 | 2011-06-06 | 2420 | - | 2 | 8.1 | - | HIGH | Med | HIGH | Med | |
10 | 188262 | 2011-06-22 | 2420 | - | 3 | 8.1 | - | HIGH | Med | HIGH | Med | |
11 | 188487 [2-month plot]
Gong Gong D/S Barkly West on Vaal |
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2011-05-13 | 37 | - | - | - | - | HIGH | low | low | low |
11 | 188487 | 2011-05-31 | 23 | - | - | - | - | HIGH | low | low | low | |
11 | 188487 | 2011-06-10 | 6 | - | - | - | - | Med | low | low | low | |
12 | 188489 [2-month plot]
Doornfonteyn Middelplaats D/S Warrenton on Vaal |
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2011-05-13 | 11 | - | - | - | - | HIGH | low | low | low |
12 | 188489 | 2011-05-31 | 32 | - | - | - | - | HIGH | low | low | low | |
12 | 188489 | 2011-06-10 | 16 | - | - | - | - | HIGH | low | low | low | |
13 | 189142 [2-month plot]
Standerton Sakhile downstream of STW and Bucket Dumping Site on Vaal |
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2011-05-04 | 790 | 840 | - | - | - | HIGH | low | HIGH | low |
13 | 189142 | 2011-06-01 | 3000 | 5600 | - | - | - | HIGH | Med | HIGH | Med | |
13 | 189142 | 2011-06-30 | 2500 | 3300 | - | - | - | HIGH | Med | HIGH | Med | |
14 | 189147 [2-month plot]
Warden 150 M upstream of Dam Wall on Cornelisrivier |
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2011-05-03 | 450 | 450 | - | - | - | HIGH | low | HIGH | low |
14 | 189147 | 2011-06-01 | 230 | 230 | 84 | 7.5 | - | HIGH | low | Med | low | |
14 | 189147 | 2011-06-28 | 64 | 64 | - | - | - | HIGH | low | low | low | |
15 | 191688 [2-month plot]
Mmabatho - D/S of Mmabatho WWTW, on Molopo Tributary. |
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2011-05-17 | 15000 | - | 20 | 7.4 | - | HIGH | Med | HIGH | HIGH |
15 | 191688 | 2011-06-06 | 2420 | - | 1 | 7.7 | - | HIGH | Med | HIGH | Med | |
15 | 191688 | 2011-06-22 | 2420 | - | 2 | 7.5 | - | HIGH | Med | HIGH | Med | |
16 | 191693 [2-month plot]
- Soweto Eldoradopark - at Road Bridge on Klipspruit |
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2011-06-09 | 9700 | - | - | - | - | HIGH | Med | HIGH | HIGH |
17 | 191696 [2-month plot]
Sia 20 - Eldorado Park Goudkoppie - at Goudkoppie WWTW, near Power Park |
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2011-06-09 | 0 | - | - | - | - | low | low | low | low |
18 | 191876 [2-month plot]
Roodepoort Bothasfontein 408 JR - at Florida Lake Outlet |
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2011-06-09 | 1500 | - | - | - | - | HIGH | low | HIGH | Med |
19 | 192536 [2-month plot]
Pampierstad - at Vaal-Harts Weir on Hartsrivier |
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2011-05-13 | 20 | - | - | - | - | HIGH | low | low | low |
19 | 192536 | 2011-05-31 | 46 | - | - | - | - | HIGH | low | low | low | |
19 | 192536 | 2011-06-10 | 35 | - | - | - | - | HIGH | low | low | low |
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