№ | 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 | 90849 [2-month plot]
Kroonstad - at R76 Road Bridge on Vals River (Old Barend Wessel) |
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2014-09-02 | 2420 | - | - | 7.7 | - | HIGH | Med | HIGH | Med |
1 | 90849 | 2014-10-09 | 2420 | - | - | 8.2 | - | HIGH | Med | HIGH | Med | |
2 | 182718 [2-month plot]
Skoonspruit D/S from Orkney Sewage Works |
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2014-09-04 | 2420 | - | - | 7.7 | - | HIGH | Med | HIGH | Med |
2 | 182718 | 2014-10-06 | 2420 | - | 8 | 7.7 | - | HIGH | Med | HIGH | Med | |
2 | 182718 | 2014-10-15 | 2420 | - | - | 7.5 | - | HIGH | Med | HIGH | Med | |
2 | 182718 | 2014-10-21 | 1733 | - | 12 | 7.9 | - | HIGH | low | HIGH | Med | |
3 | 188130 [2-month plot]
Goedgenoeg 433 IP at Orkney Road Bridge on Jagspruit on R502 |
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2014-09-04 | 65 | - | - | 8.1 | - | HIGH | low | low | low |
3 | 188130 | 2014-10-06 | 1450 | - | 206 | 7.7 | - | HIGH | low | HIGH | Med | |
3 | 188130 | 2014-10-15 | 194 | - | - | 7.8 | - | HIGH | low | low | low | |
3 | 188130 | 2014-10-21 | 46110 | - | 125 | 7.8 | - | HIGH | HIGH | HIGH | HIGH | |
4 | 188131 [2-month plot]
Koekemoerspruit at Buffelsfontein Bridge |
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2014-10-06 | 2410 | - | 10 | 7.8 | - | HIGH | Med | HIGH | Med |
4 | 188131 | 2014-10-21 | 242000 | - | 27 | 7.5 | - | HIGH | HIGH | HIGH | HIGH | |
5 | 188132 [2-month plot]
Orkney - at R30 Bothaville Orkney Bridge on Vaalrivier |
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2014-09-08 | 3 | - | - | 9.2 | - | Med | low | low | low |
5 | 188132 | 2014-10-02 | 20 | - | - | 9.1 | - | HIGH | low | low | low | |
5 | 188132 | 2014-10-06 | 8 | - | 9 | 9.1 | - | Med | low | low | low | |
5 | 188132 | 2014-10-21 | 6910 | - | 17 | 8.9 | - | HIGH | Med | HIGH | HIGH | |
6 | 191050 [2-month plot]
Floorsdrift 15 - Hoopstad at R59 Road Bridge on Vetrivier |
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2014-09-29 | 172 | - | - | 8.6 | - | HIGH | low | low | low |
6 | 191050 | 2014-10-20 | 70 | - | - | 8.4 | - | HIGH | low | low | low | |
7 | 192624 [2-month plot]
Buffelsfontein 443 IP - at Midvaal Intake |
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2014-10-06 | 11 | - | 8 | 9.1 | - | HIGH | low | low | low |
7 | 192624 | 2014-10-21 | 8390 | - | 15 | 8.9 | - | HIGH | Med | HIGH | HIGH |
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