№ | 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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2023-09-21 | 2420 | 2420 | - | 7.2 | - | HIGH | Med | HIGH | Med |
1 | 90616 | 2023-10-19 | 1414 | 2420 | - | 7.2 | - | HIGH | low | HIGH | Med | |
2 | 90697 [2-month plot]
(B8) Nigel R51 Road Bridge to Balfour |
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2023-09-13 | 732 | - | - | - | - | HIGH | low | HIGH | low |
2 | 90697 | 2023-09-26 | 649 | 649 | - | 7.8 | - | HIGH | low | HIGH | low | |
2 | 90697 | 2023-09-27 | 472 | - | - | - | - | HIGH | low | HIGH | low | |
2 | 90697 | 2023-10-10 | 461 | - | - | - | - | HIGH | low | HIGH | low | |
2 | 90697 | 2023-10-25 | 613 | - | - | - | - | HIGH | low | HIGH | low | |
2 | 90697 | 2023-10-31 | 2420 | 2420 | - | 7.5 | - | HIGH | Med | HIGH | Med | |
3 | 90725 [2-month plot]
Klip River at R41 Witpoortjie U/S Durban Deep Mine |
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2023-09-13 | 435 | - | - | - | - | HIGH | low | HIGH | low |
3 | 90725 | 2023-09-20 | 108 | 126 | - | 7.2 | - | HIGH | low | low | low | |
3 | 90725 | 2023-09-27 | 159 | - | - | - | - | HIGH | low | low | low | |
3 | 90725 | 2023-10-10 | 123 | - | - | - | - | HIGH | low | low | low | |
3 | 90725 | 2023-10-17 | 2420 | 2420 | - | 7.1 | - | HIGH | Med | HIGH | Med | |
3 | 90725 | 2023-10-25 | 71 | - | - | - | - | HIGH | low | low | low | |
4 | 90727 [2-month plot]
At Golden Highway Olifantsvlei van Wyk on Kliprivier |
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2023-09-13 | 1553100 | - | - | - | - | HIGH | HIGH | HIGH | HIGH |
4 | 90727 | 2023-09-20 | 2420 | 2420 | - | 7.1 | - | HIGH | Med | HIGH | Med | |
4 | 90727 | 2023-09-27 | 1553100 | - | - | - | - | HIGH | HIGH | HIGH | HIGH | |
4 | 90727 | 2023-10-10 | 1732900 | - | - | - | - | HIGH | HIGH | HIGH | HIGH | |
4 | 90727 | 2023-10-17 | 2420 | 2420 | - | 7.1 | - | HIGH | Med | HIGH | Med | |
4 | 90727 | 2023-10-25 | 3654000 | - | - | - | - | HIGH | HIGH | HIGH | HIGH | |
5 | 188262 [2-month plot]
Mmabatho - at Road Bridge on Molopo River, D/S of Mafikeng |
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2023-09-11 | 235900 | - | - | - | - | HIGH | HIGH | HIGH | HIGH |
5 | 188262 | 2023-09-26 | 241960 | - | - | - | - | HIGH | HIGH | HIGH | HIGH | |
5 | 188262 | 2023-10-09 | 81640 | - | - | - | - | HIGH | HIGH | HIGH | HIGH | |
5 | 188262 | 2023-10-23 | 1062050 | - | - | - | - | HIGH | HIGH | HIGH | HIGH | |
6 | 189147 [2-month plot]
Warden 150 M upstream of Dam Wall on Cornelisrivier |
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2023-09-19 | 4 | 8 | 11 | 8.1 | - | Med | low | low | low |
6 | 189147 | 2023-10-11 | 157 | 157 | 11 | 7.4 | - | HIGH | low | low | low | |
7 | 191688 [2-month plot]
Mmabatho - D/S of Mmabatho WWTW, on Molopo Tributary. |
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2023-09-11 | 2419600 | - | - | - | - | HIGH | HIGH | HIGH | HIGH |
7 | 191688 | 2023-09-26 | 0 | - | - | - | - | low | low | low | low | |
7 | 191688 | 2023-10-09 | 1986300 | - | - | - | - | HIGH | HIGH | HIGH | HIGH | |
7 | 191688 | 2023-10-23 | 1553100 | - | - | - | - | HIGH | HIGH | HIGH | HIGH | |
8 | 191693 [2-month plot]
- Soweto Eldoradopark - at Road Bridge on Klipspruit |
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2023-09-13 | 1553100 | - | - | - | - | HIGH | HIGH | HIGH | HIGH |
8 | 191693 | 2023-09-27 | 2419600 | - | - | - | - | HIGH | HIGH | HIGH | HIGH | |
8 | 191693 | 2023-10-10 | 2419600 | - | - | - | - | HIGH | HIGH | HIGH | HIGH | |
8 | 191693 | 2023-10-25 | 7270000 | - | - | - | - | HIGH | HIGH | HIGH | HIGH | |
9 | 191876 [2-month plot]
Roodepoort Bothasfontein 408 JR - at Florida Lake Outlet |
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2023-09-11 | 1100 | - | - | - | - | HIGH | low | HIGH | Med |
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