№ | 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 |
|||||||
1 | 182718 [2-month plot]
Skoonspruit D/S from Orkney Sewage Works |
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2010-01-05 | 73000 | - | 31 | 7.7 | 21.0 | HIGH | HIGH | HIGH | HIGH |
1 | 182718 | 2010-01-18 | 17000 | - | 58 | 7.9 | 22.0 | HIGH | Med | HIGH | HIGH | |
1 | 182718 | 2010-02-02 | 225 | - | 44 | 7.6 | 22.0 | HIGH | low | Med | low | |
1 | 182718 | 2010-02-15 | 198600 | - | 14 | 7.7 | 23.0 | HIGH | HIGH | HIGH | HIGH | |
2 | 188130 [2-month plot]
Goedgenoeg 433 IP at Orkney Road Bridge on Jagspruit on R502 |
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2010-01-05 | 34000 | - | 519 | 7.5 | 21.0 | HIGH | HIGH | HIGH | HIGH |
2 | 188130 | 2010-01-18 | 15000 | - | 58 | 7.9 | 22.0 | HIGH | Med | HIGH | HIGH | |
2 | 188130 | 2010-02-02 | 58000 | - | 12 | 7.7 | 22.0 | HIGH | HIGH | HIGH | HIGH | |
2 | 188130 | 2010-02-15 | 242000 | - | 13 | 7.8 | 23.0 | HIGH | HIGH | HIGH | HIGH | |
3 | 188131 [2-month plot]
Koekemoerspruit at Buffelsfontein Bridge |
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2010-01-05 | 201 | - | 4 | 7.4 | 21.0 | HIGH | low | Med | low |
3 | 188131 | 2010-01-18 | 82000 | - | 78 | 7.3 | 22.0 | HIGH | HIGH | HIGH | HIGH | |
3 | 188131 | 2010-02-02 | 65 | - | 2 | 7.7 | 22.0 | HIGH | low | low | low | |
3 | 188131 | 2010-02-15 | 242000 | - | 13 | 7.9 | 23.0 | HIGH | HIGH | HIGH | HIGH | |
4 | 188132 [2-month plot]
Orkney - at R30 Bothaville Orkney Bridge on Vaalrivier |
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2010-01-05 | 179 | - | 32 | 7.9 | 22.0 | HIGH | low | low | low |
4 | 188132 | 2010-01-18 | 400 | - | 72 | 7.8 | 22.0 | HIGH | low | HIGH | low | |
4 | 188132 | 2010-02-02 | 461 | - | 156 | 7.7 | 22.0 | HIGH | low | HIGH | low | |
4 | 188132 | 2010-02-15 | 61 | - | 56 | 7.7 | 23.0 | HIGH | low | low | low | |
4 | 188132 | 2010-02-25 | - | 500 | - | 8.0 | - | HIGH | low | HIGH | low |
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