№ | Site [ view Middle 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 | 90800 [2-month plot]
Bloudrif - at R30 Road Bridge on Sand River near Mouth of Doornrivier |
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2016-09-20 | 2420 | - | 8 | 8.6 | - | HIGH | Med | HIGH | Med |
1 | 90800 | 2016-10-26 | 86 | - | 8 | 7.5 | - | HIGH | low | low | low | |
2 | 90849 [2-month plot]
Kroonstad - at R76 Road Bridge on Vals River (Old Barend Wessel) |
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2016-09-22 | 276 | - | 30 | 8.3 | - | HIGH | low | Med | low |
2 | 90849 | 2016-10-28 | 49 | - | 8 | 8.3 | - | HIGH | low | low | low | |
3 | 182718 [2-month plot]
Skoonspruit D/S from Orkney Sewage Works |
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2016-09-08 | 1414 | - | 13 | 7.6 | - | HIGH | low | HIGH | Med |
3 | 182718 | 2016-09-27 | 4220 | - | 5 | 7.5 | - | HIGH | Med | HIGH | HIGH | |
3 | 182718 | 2016-10-04 | 100 | - | 11 | 7.9 | - | HIGH | low | low | low | |
3 | 182718 | 2016-10-20 | 1360 | - | 24 | 7.7 | - | HIGH | low | HIGH | Med | |
4 | 188130 [2-month plot]
Goedgenoeg 433 IP at Orkney Road Bridge on Jagspruit on R502 |
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2016-09-08 | 2420 | - | 4 | 7.4 | - | HIGH | Med | HIGH | Med |
4 | 188130 | 2016-09-27 | 241960 | - | 35 | 7.4 | - | HIGH | HIGH | HIGH | HIGH | |
4 | 188130 | 2016-10-04 | 241960 | - | 30 | 7.5 | - | HIGH | HIGH | HIGH | HIGH | |
4 | 188130 | 2016-10-20 | 120980 | - | 13 | 7.4 | - | HIGH | HIGH | HIGH | HIGH | |
5 | 188131 [2-month plot]
Koekemoerspruit at Buffelsfontein Bridge |
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2016-09-08 | 23 | - | 4 | 7.8 | - | HIGH | low | low | low |
5 | 188131 | 2016-09-27 | 160 | - | 5 | 7.5 | - | HIGH | low | low | low | |
5 | 188131 | 2016-10-04 | 8 | - | 6 | 7.7 | - | Med | low | low | low | |
5 | 188131 | 2016-10-20 | 135 | - | 6 | 7.5 | - | HIGH | low | low | low | |
6 | 188132 [2-month plot]
Orkney - at R30 Bothaville Orkney Bridge on Vaalrivier |
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2016-09-08 | 19 | - | 9 | 8.7 | - | HIGH | low | low | low |
6 | 188132 | 2016-09-27 | 276 | - | 11 | 8.5 | - | HIGH | low | Med | low | |
6 | 188132 | 2016-10-04 | 48 | - | 10 | 8.9 | - | HIGH | low | low | low | |
6 | 188132 | 2016-10-20 | 96 | - | 6 | 8.8 | - | HIGH | low | low | low | |
7 | 191050 [2-month plot]
Floorsdrift 15 - Hoopstad at R59 Road Bridge on Vetrivier |
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2016-10-25 | 1785 | - | 521 | 7.4 | - | HIGH | low | HIGH | Med |
8 | 192624 [2-month plot]
Buffelsfontein 443 IP - at Midvaal Intake |
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2016-09-08 | 4 | - | 14 | 8.8 | - | Med | low | low | low |
8 | 192624 | 2016-09-27 | 6 | - | 10 | 8.9 | - | Med | low | low | low | |
8 | 192624 | 2016-10-04 | 10 | - | 10 | 8.6 | - | HIGH | low | low | low | |
8 | 192624 | 2016-10-20 | 19 | - | 7 | 8.6 | - | HIGH | low | low | low | |
9 | 194791 [2-month plot]
Klerksdorp Elandsheuval 402 IP - near Johan Nesser Dam Wall |
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2016-09-21 | 41 | - | 2775 | 8.6 | - | HIGH | low | low | low |
10 | 194792 [2-month plot]
Bothaville - at R59 Road Bridge Over Vals Rivier |
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2016-09-20 | 66 | - | 11 | 7.8 | - | HIGH | low | low | low |
10 | 194792 | 2016-10-25 | 15531 | - | 337 | 7.3 | - | HIGH | Med | HIGH | HIGH | |
11 | 194793 [2-month plot]
Makwassie - at R502 Road Bridge Over Makwassie Spruit |
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2016-10-25 | 866 | - | 2 | 7.4 | - | HIGH | low | HIGH | low |
12 | 194794 [2-month plot]
Rietfontein 299 - at R501 Road Bridge Over Renoster River |
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2016-09-22 | 320 | - | 1303 | 7.6 | - | HIGH | low | Med | low |
12 | 194794 | 2016-10-25 | 93 | - | - | 7.7 | - | HIGH | low | low | low | |
13 | 194795 [2-month plot]
Corannakraal 87 - at Road Bridge Over Vet Rivier D/S of Erfenis Dam Wall |
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2016-09-20 | 127 | - | 220 | 7.9 | - | HIGH | low | low | low |
13 | 194795 | 2016-10-28 | 63 | - | 217 | 7.4 | - | HIGH | low | low | low | |
14 | 194797 [2-month plot]
Kutlwanong - at Water Body near Kutlwanong |
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2016-09-20 | 146 | - | 533 | 8.9 | - | HIGH | low | low | low |
15 | 194799 [2-month plot]
Odendaalsrus - at Water Channel (Drain) in Odendaalsrus |
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2016-09-20 | 241960 | - | 63 | 7.2 | - | HIGH | HIGH | HIGH | HIGH |
15 | 194799 | 2016-10-26 | 12098 | - | 80 | 7.1 | - | HIGH | Med | HIGH | HIGH | |
16 | 194801 [2-month plot]
Welkom Thabong Township - at Water Channel in Thabong Township |
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2016-09-20 | 24196 | - | 12 | 7.6 | - | HIGH | HIGH | HIGH | HIGH |
16 | 194801 | 2016-10-26 | 12098 | - | 11 | 7.6 | - | HIGH | Med | HIGH | HIGH | |
17 | 194803 [2-month plot]
Henneman Phomolong Township - at Water Channel in Phomolong Township |
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2016-09-20 | 9208 | - | 20 | 7.8 | - | HIGH | Med | HIGH | HIGH |
18 | 194804 [2-month plot]
Zandrivierspoort 213 - at Road Bridge Over Sand River |
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2016-09-22 | 1414 | - | 67 | 7.7 | - | HIGH | low | HIGH | Med |
19 | 194805 [2-month plot]
Proklameersdrift - at Road Bridge on Vals Rivier |
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2016-09-20 | 2420 | - | 7 | 7.5 | - | HIGH | Med | HIGH | Med |
19 | 194805 | 2016-10-26 | 493 | - | 93 | 7.3 | - | HIGH | low | HIGH | low | |
20 | 194855 [2-month plot]
Erfenis 71 - near Erfenis Dam D/S of Dam Wall on Vetrivier |
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2016-09-20 | 1 | - | 222 | 7.8 | - | Med | low | low | low |
20 | 194855 | 2016-10-28 | 10 | - | 222 | 7.9 | - | HIGH | low | low | low | |
21 | 195409 [2-month plot]
Klerksdorp - at Klerksdorp Correctional Service on Skoonspruit |
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2016-09-20 | 241960 | - | 50 | 7.6 | - | HIGH | HIGH | HIGH | HIGH |
21 | 195409 | 2016-10-25 | 2420 | - | 8 | 7.9 | - | HIGH | Med | HIGH | Med |
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