№ | 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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2016-04-01 | 262 | - | 7 | 8.1 | - | HIGH | low | Med | low |
1 | 90800 | 2016-04-20 | 64 | - | 5 | 8.3 | - | HIGH | low | low | low | |
2 | 90849 [2-month plot]
Kroonstad - at R76 Road Bridge on Vals River (Old Barend Wessel) |
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2016-03-24 | 157 | - | 11 | 7.8 | - | HIGH | low | low | low |
2 | 90849 | 2016-04-26 | 156 | - | 72 | 7.8 | - | HIGH | low | low | low | |
3 | 182718 [2-month plot]
Skoonspruit D/S from Orkney Sewage Works |
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2016-03-09 | 9700 | - | 80 | 7.4 | - | HIGH | Med | HIGH | HIGH |
3 | 182718 | 2016-03-22 | 29 | - | 27 | 8.7 | - | HIGH | low | low | low | |
3 | 182718 | 2016-04-04 | 2790 | - | 57 | 8.1 | - | HIGH | Med | HIGH | Med | |
3 | 182718 | 2016-04-18 | 310 | - | 9 | 7.5 | - | HIGH | low | Med | low | |
4 | 188130 [2-month plot]
Goedgenoeg 433 IP at Orkney Road Bridge on Jagspruit on R502 |
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2016-03-09 | 36900 | - | 14 | 7.4 | - | HIGH | HIGH | HIGH | HIGH |
4 | 188130 | 2016-03-22 | 21420 | - | 9 | 7.5 | - | HIGH | HIGH | HIGH | HIGH | |
4 | 188130 | 2016-04-04 | 15531 | - | 7 | 7.4 | - | HIGH | Med | HIGH | HIGH | |
4 | 188130 | 2016-04-18 | 241960 | - | 3 | 7.3 | - | HIGH | HIGH | HIGH | HIGH | |
5 | 188131 [2-month plot]
Koekemoerspruit at Buffelsfontein Bridge |
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2016-03-09 | 2880 | - | 2 | 7.5 | - | HIGH | Med | HIGH | Med |
5 | 188131 | 2016-03-22 | 196 | - | 2 | 7.6 | - | HIGH | low | low | low | |
5 | 188131 | 2016-04-04 | 238 | - | 7 | 7.6 | - | HIGH | low | Med | low | |
5 | 188131 | 2016-04-18 | 80 | - | 2 | 7.6 | - | HIGH | low | low | low | |
6 | 188132 [2-month plot]
Orkney - at R30 Bothaville Orkney Bridge on Vaalrivier |
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2016-03-09 | 166 | - | 19 | 8.4 | - | HIGH | low | low | low |
6 | 188132 | 2016-03-22 | 6910 | - | 12 | 7.9 | - | HIGH | Med | HIGH | HIGH | |
6 | 188132 | 2016-04-04 | 16 | - | 10 | 8.9 | - | HIGH | low | low | low | |
6 | 188132 | 2016-04-18 | 15 | - | 10 | 8.7 | - | HIGH | low | low | low | |
7 | 189656 [2-month plot]
Syfergat 56 HP at R504 Leeudoringstad Bothaville Road Bridge on Klipspruit |
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2016-03-29 | 12098 | - | 52 | 8.2 | - | HIGH | Med | HIGH | HIGH |
7 | 189656 | 2016-04-25 | 24196 | - | 535 | 8.3 | - | HIGH | HIGH | HIGH | HIGH | |
8 | 191050 [2-month plot]
Floorsdrift 15 - Hoopstad at R59 Road Bridge on Vetrivier |
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2016-04-01 | 504 | - | 89 | 7.9 | - | HIGH | low | HIGH | low |
8 | 191050 | 2016-04-26 | 830 | - | 161 | 7.6 | - | HIGH | low | HIGH | low | |
9 | 192624 [2-month plot]
Buffelsfontein 443 IP - at Midvaal Intake |
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2016-03-09 | 40 | - | 12 | 8.4 | - | HIGH | low | low | low |
9 | 192624 | 2016-03-22 | 65 | - | 14 | 8.0 | - | HIGH | low | low | low | |
9 | 192624 | 2016-04-04 | 21 | - | 10 | 8.9 | - | HIGH | low | low | low | |
9 | 192624 | 2016-04-18 | 10 | - | 8 | 8.8 | - | HIGH | low | low | low | |
10 | 194792 [2-month plot]
Bothaville - at R59 Road Bridge Over Vals Rivier |
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2016-03-24 | 128 | - | 8 | 7.9 | - | HIGH | low | low | low |
10 | 194792 | 2016-04-20 | 71 | - | 13 | 8.1 | - | HIGH | low | low | low | |
11 | 194793 [2-month plot]
Makwassie - at R502 Road Bridge Over Makwassie Spruit |
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2016-03-29 | 758 | - | 4 | 8.2 | - | HIGH | low | HIGH | low |
11 | 194793 | 2016-04-25 | 2442 | - | 14 | 8.0 | - | HIGH | Med | HIGH | Med | |
12 | 194794 [2-month plot]
Rietfontein 299 - at R501 Road Bridge Over Renoster River |
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2016-03-24 | 3434 | - | 288 | 7.7 | - | HIGH | Med | HIGH | Med |
12 | 194794 | 2016-04-26 | 160 | - | 8 | 8.0 | - | 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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2016-04-01 | 733 | - | 97 | 8.2 | - | HIGH | low | HIGH | low |
13 | 194795 | 2016-04-26 | 582 | - | 134 | 8.0 | - | HIGH | low | HIGH | low | |
14 | 194799 [2-month plot]
Odendaalsrus - at Water Channel (Drain) in Odendaalsrus |
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2016-04-20 | 57 | - | 5 | 8.5 | - | HIGH | low | low | low |
15 | 194801 [2-month plot]
Welkom Thabong Township - at Water Channel in Thabong Township |
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2016-03-24 | 1362 | - | 7 | 7.7 | - | HIGH | low | HIGH | Med |
15 | 194801 | 2016-04-20 | 1049 | - | 229 | 7.8 | - | HIGH | low | HIGH | Med | |
16 | 194803 [2-month plot]
Henneman Phomolong Township - at Water Channel in Phomolong Township |
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2016-03-24 | 1937 | - | 21 | 7.7 | - | HIGH | low | HIGH | Med |
17 | 194804 [2-month plot]
Zandrivierspoort 213 - at Road Bridge Over Sand River |
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2016-04-01 | 175 | - | 32 | 8.1 | - | HIGH | low | low | low |
17 | 194804 | 2016-04-26 | 651 | - | 24 | 7.9 | - | HIGH | low | HIGH | low | |
18 | 194805 [2-month plot]
Proklameersdrift - at Road Bridge on Vals Rivier |
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2016-04-01 | 548 | - | 18 | 8.1 | - | HIGH | low | HIGH | low |
18 | 194805 | 2016-04-20 | 79 | - | 9 | 8.4 | - | HIGH | low | low | low | |
19 | 195409 [2-month plot]
Klerksdorp - at Klerksdorp Correctional Service on Skoonspruit |
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2016-03-29 | 2420 | - | 34 | 8.2 | - | HIGH | Med | HIGH | Med |
19 | 195409 | 2016-04-25 | 13740 | - | 34 | 7.8 | - | HIGH | Med | HIGH | HIGH |
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