№ | 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 |
|||||||
1 | 90697 [2-month plot]
(B8) Nigel R51 Road Bridge to Balfour |
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2015-11-17 | 20 | - | - | - | - | HIGH | low | low | low |
1 | 90697 | 2015-12-08 | 839 | - | - | - | - | HIGH | low | HIGH | low | |
2 | 90725 [2-month plot]
Klip River at R41 Witpoortjie U/S Durban Deep Mine |
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2015-11-17 | 402 | - | - | - | - | HIGH | low | HIGH | low |
2 | 90725 | 2015-12-08 | 158 | - | - | - | - | HIGH | low | low | low | |
3 | 90727 [2-month plot]
At Golden Highway Olifantsvlei van Wyk on Kliprivier |
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2015-11-17 | 285100 | - | - | - | - | HIGH | HIGH | HIGH | HIGH |
3 | 90727 | 2015-12-08 | 6510 | - | - | - | - | HIGH | Med | HIGH | HIGH | |
4 | 90849 [2-month plot]
Kroonstad - at R76 Road Bridge on Vals River (Old Barend Wessel) |
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2015-11-19 | 40 | - | 9 | 8.3 | - | HIGH | low | low | low |
4 | 90849 | 2015-12-18 | 100 | - | 12 | 9.0 | - | HIGH | low | low | low | |
5 | 182718 [2-month plot]
Skoonspruit D/S from Orkney Sewage Works |
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2015-11-18 | 48 | - | 31 | 7.9 | - | HIGH | low | low | low |
5 | 182718 | 2015-12-03 | 980400 | - | 36 | 7.7 | - | HIGH | HIGH | HIGH | HIGH | |
5 | 182718 | 2015-12-14 | 980400 | - | 11 | 7.8 | - | HIGH | HIGH | HIGH | HIGH | |
5 | 182718 | 2015-12-29 | 15650 | - | 48 | 7.2 | - | HIGH | Med | HIGH | HIGH | |
6 | 188130 [2-month plot]
Goedgenoeg 433 IP at Orkney Road Bridge on Jagspruit on R502 |
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2015-11-05 | 1200000 | - | 54 | 7.5 | - | HIGH | HIGH | HIGH | HIGH |
6 | 188130 | 2015-11-18 | 1100000 | - | 19 | 7.9 | - | HIGH | HIGH | HIGH | HIGH | |
6 | 188130 | 2015-12-03 | 920800 | - | 45 | 7.7 | - | HIGH | HIGH | HIGH | HIGH | |
6 | 188130 | 2015-12-14 | 613100 | - | 12 | 7.7 | - | HIGH | HIGH | HIGH | HIGH | |
6 | 188130 | 2015-12-29 | 325500 | - | 20 | 7.7 | - | HIGH | HIGH | HIGH | HIGH | |
7 | 188131 [2-month plot]
Koekemoerspruit at Buffelsfontein Bridge |
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2015-11-05 | 200 | - | 34 | 8.5 | - | HIGH | low | Med | low |
7 | 188131 | 2015-12-03 | 400 | - | 10 | 7.9 | - | HIGH | low | HIGH | low | |
7 | 188131 | 2015-12-14 | 15850 | - | 10 | 8.0 | - | HIGH | Med | HIGH | HIGH | |
7 | 188131 | 2015-12-29 | 2000 | - | 17 | 8.8 | - | HIGH | Med | HIGH | Med | |
8 | 188132 [2-month plot]
Orkney - at R30 Bothaville Orkney Bridge on Vaalrivier |
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2015-11-05 | 520 | - | 14 | 8.9 | - | HIGH | low | HIGH | low |
8 | 188132 | 2015-11-18 | 48 | - | 14 | 8.8 | - | HIGH | low | low | low | |
8 | 188132 | 2015-12-03 | 20 | - | 17 | 9.0 | - | HIGH | low | low | low | |
8 | 188132 | 2015-12-14 | 19 | - | 12 | 8.7 | - | HIGH | low | low | low | |
8 | 188132 | 2015-12-29 | 836 | - | 17 | 8.8 | - | HIGH | low | HIGH | low | |
9 | 188262 [2-month plot]
Mmabatho - at Road Bridge on Molopo River, D/S of Mafikeng |
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2015-11-23 | 2419600 | - | - | - | - | HIGH | HIGH | HIGH | HIGH |
9 | 188262 | 2015-12-07 | 141360 | - | - | - | - | HIGH | HIGH | HIGH | HIGH | |
10 | 191050 [2-month plot]
Floorsdrift 15 - Hoopstad at R59 Road Bridge on Vetrivier |
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2015-11-17 | 2650 | - | 142 | 7.9 | - | HIGH | Med | HIGH | Med |
10 | 191050 | 2015-12-18 | 410 | - | 51 | 8.5 | - | HIGH | low | HIGH | low | |
11 | 191688 [2-month plot]
Mmabatho - D/S of Mmabatho WWTW, on Molopo Tributary. |
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2015-11-09 | 980 | - | - | - | - | HIGH | low | HIGH | low |
11 | 191688 | 2015-11-23 | 960 | - | - | - | - | HIGH | low | HIGH | low | |
11 | 191688 | 2015-12-07 | 7568 | - | - | - | - | HIGH | Med | HIGH | HIGH | |
12 | 192624 [2-month plot]
Buffelsfontein 443 IP - at Midvaal Intake |
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2015-11-05 | 100 | - | 13 | 8.8 | - | HIGH | low | low | low |
12 | 192624 | 2015-11-18 | 980400 | - | 13 | 8.8 | - | HIGH | HIGH | HIGH | HIGH | |
12 | 192624 | 2015-12-03 | 23 | - | 17 | 9.0 | - | HIGH | low | low | low | |
12 | 192624 | 2015-12-14 | 17 | - | 12 | 8.7 | - | HIGH | low | low | low | |
12 | 192624 | 2015-12-29 | 41 | - | 15 | 8.8 | - | HIGH | low | low | low | |
13 | 194791 [2-month plot]
Klerksdorp Elandsheuval 402 IP - near Johan Nesser Dam Wall |
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2015-11-16 | 38 | - | 164 | 8.8 | - | HIGH | low | low | low |
13 | 194791 | 2015-12-04 | 4100 | - | 309 | 8.6 | - | HIGH | Med | HIGH | HIGH | |
13 | 194791 | 2015-12-15 | 1733 | - | 327 | 8.9 | - | HIGH | low | HIGH | Med | |
14 | 194792 [2-month plot]
Bothaville - at R59 Road Bridge Over Vals Rivier |
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2015-11-16 | 36 | - | 11 | 7.9 | - | HIGH | low | low | low |
14 | 194792 | 2015-12-04 | 410 | - | 14 | 8.1 | - | HIGH | low | HIGH | low | |
14 | 194792 | 2015-12-15 | 200 | - | 15 | 8.8 | - | HIGH | low | Med | low | |
15 | 194793 [2-month plot]
Makwassie - at R502 Road Bridge Over Makwassie Spruit |
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2015-11-16 | 1000 | - | 751 | 7.5 | - | HIGH | low | HIGH | Med |
15 | 194793 | 2015-12-04 | 3690 | - | 30 | 7.8 | - | HIGH | Med | HIGH | Med | |
15 | 194793 | 2015-12-15 | 6630 | - | 37 | 7.8 | - | HIGH | Med | HIGH | HIGH | |
16 | 194794 [2-month plot]
Rietfontein 299 - at R501 Road Bridge Over Renoster River |
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2015-11-19 | 49 | - | 24 | 8.6 | - | HIGH | low | low | low |
16 | 194794 | 2015-12-18 | 100 | - | 12 | 9.0 | - | HIGH | low | low | low | |
17 | 194795 [2-month plot]
Corannakraal 87 - at Road Bridge Over Vet Rivier D/S of Erfenis Dam Wall |
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2015-11-19 | 649 | - | 118 | 8.2 | - | HIGH | low | HIGH | low |
17 | 194795 | 2015-12-18 | 200 | - | 114 | 8.7 | - | HIGH | low | Med | low | |
18 | 194801 [2-month plot]
Welkom Thabong Township - at Water Channel in Thabong Township |
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2015-11-19 | 1 | - | 20 | 4.8 | - | Med | low | low | low |
18 | 194801 | 2015-12-18 | 2420 | - | 3 | 7.5 | - | HIGH | Med | HIGH | Med | |
19 | 194805 [2-month plot]
Proklameersdrift - at Road Bridge on Vals Rivier |
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2015-11-19 | 2420 | - | 10 | 8.7 | - | HIGH | Med | HIGH | Med |
19 | 194805 | 2015-12-18 | 100 | - | 11 | 8.8 | - | HIGH | low | low | low | |
20 | 194855 [2-month plot]
Erfenis 71 - near Erfenis Dam D/S of Dam Wall on Vetrivier |
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2015-11-19 | 770 | - | 113 | 8.3 | - | HIGH | low | HIGH | low |
20 | 194855 | 2015-12-18 | 54750 | - | 117 | 8.6 | - | HIGH | HIGH | HIGH | HIGH | |
20 | 194855 | 2015-12-30 | 520 | - | 117 | 8.6 | - | HIGH | low | HIGH | low |
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