| № | 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  | 
|||||||
| 1 | 90616 [2-month plot]
 Rietspruit at Kaalplaats (Rw RV2)  | 
 
 | 
2010-11-17 | - | 5100 | - | - | - | HIGH | Med | HIGH | HIGH | 
| 1 | 90616 | 2010-11-30 | 12000 | 19000 | - | - | - | HIGH | Med | HIGH | HIGH | |
| 2 | 90697 [2-month plot]
 (B8) Nigel R51 Road Bridge to Balfour  | 
 
 | 
2010-12-01 | 470 | 470 | - | 7.6 | - | HIGH | low | HIGH | low | 
| 3 | 90725 [2-month plot]
 Klip River at R41 Witpoortjie U/S Durban Deep Mine  | 
 
 | 
2010-11-18 | 320 | 420 | - | 7.8 | - | HIGH | low | Med | low | 
| 3 | 90725 | 2010-12-02 | 1090 | 1090 | - | 7.5 | - | HIGH | low | HIGH | Med | |
| 4 | 90727 [2-month plot]
 At Golden Highway Olifantsvlei van Wyk on Kliprivier  | 
 
 | 
2010-12-02 | 62 | 62 | - | 7.4 | - | HIGH | low | low | low | 
| 5 | 182718 [2-month plot]
 Skoonspruit D/S from Orkney Sewage Works  | 
 
 | 
2010-11-08 | 1690 | - | 39 | 8.0 | 22.0 | HIGH | low | HIGH | Med | 
| 5 | 182718 | 2010-11-22 | 291 | - | 8 | 7.9 | 24.0 | HIGH | low | Med | low | |
| 5 | 182718 | 2010-12-07 | 15 | - | 15 | 7.9 | 23.0 | HIGH | low | low | low | |
| 5 | 182718 | 2010-12-20 | 9700 | - | 21 | 7.7 | 20.0 | HIGH | Med | HIGH | HIGH | |
| 6 | 188130 [2-month plot]
 Goedgenoeg 433 IP at Orkney Road Bridge on Jagspruit on R502  | 
 
 | 
2010-11-08 | 520 | - | 42 | 8.0 | 24.0 | HIGH | low | HIGH | low | 
| 6 | 188130 | 2010-11-22 | 1300 | - | 26 | 7.8 | 24.0 | HIGH | low | HIGH | Med | |
| 6 | 188130 | 2010-12-07 | 10140 | - | 23 | 9.0 | 23.0 | HIGH | Med | HIGH | HIGH | |
| 6 | 188130 | 2010-12-07 | - | 1700 | 23 | 9.0 | 23.0 | HIGH | low | HIGH | Med | |
| 6 | 188130 | 2010-12-20 | 137600 | - | 50 | 7.8 | 21.0 | HIGH | HIGH | HIGH | HIGH | |
| 7 | 188131 [2-month plot]
 Koekemoerspruit at Buffelsfontein Bridge  | 
 
 | 
2010-11-08 | 300 | - | 25 | 8.6 | 23.0 | HIGH | low | Med | low | 
| 7 | 188131 | 2010-11-22 | 200 | - | 27 | 9.1 | 25.0 | HIGH | low | Med | low | |
| 7 | 188131 | 2010-12-07 | 41060 | - | 11 | 8.0 | 23.0 | HIGH | HIGH | HIGH | HIGH | |
| 7 | 188131 | 2010-12-20 | 677 | - | 282 | 7.7 | 21.0 | HIGH | low | HIGH | low | |
| 8 | 188132 [2-month plot]
 Orkney - at R30 Bothaville Orkney Bridge on Vaalrivier  | 
 
 | 
2010-11-08 | 520 | - | 20 | 9.2 | 24.0 | HIGH | low | HIGH | low | 
| 8 | 188132 | 2010-11-22 | 410 | - | 26 | 8.9 | 25.0 | HIGH | low | HIGH | low | |
| 8 | 188132 | 2010-12-07 | 20 | - | 20 | 9.1 | 24.0 | HIGH | low | low | low | |
| 8 | 188132 | 2010-12-20 | 1250 | - | 202 | 7.7 | 22.0 | HIGH | low | HIGH | Med | |
| 9 | 188487 [2-month plot]
 Gong Gong D/S Barkly West on Vaal  | 
 
 | 
2010-11-16 | 15 | - | - | - | - | HIGH | low | low | low | 
| 9 | 188487 | 2010-12-03 | 1 | - | - | - | - | Med | low | low | low | |
| 9 | 188487 | 2010-12-15 | 112 | - | - | - | - | HIGH | low | low | low | |
| 10 | 188489 [2-month plot]
 Doornfonteyn Middelplaats D/S Warrenton on Vaal  | 
 
 | 
2010-11-16 | 3 | - | - | - | - | Med | low | low | low | 
| 10 | 188489 | 2010-12-03 | 148 | - | - | - | - | HIGH | low | low | low | |
| 10 | 188489 | 2010-12-15 | 91 | - | - | - | - | HIGH | low | low | low | |
| 11 | 189147 [2-month plot]
 Warden 150 M upstream of Dam Wall on Cornelisrivier  | 
 
 | 
2010-11-10 | 915 | - | - | - | - | HIGH | low | HIGH | low | 
| 11 | 189147 | 2010-12-08 | 223 | - | - | - | - | HIGH | low | Med | low | |
| 12 | 191693 [2-month plot]
 - Soweto Eldoradopark - at Road Bridge on Klipspruit  | 
 
 | 
2010-11-11 | 2900 | - | - | - | - | HIGH | Med | HIGH | Med | 
| 12 | 191693 | 2010-12-09 | 48000 | - | - | - | - | HIGH | HIGH | HIGH | HIGH | |
| 13 | 191696 [2-month plot]
 Sia 20 - Eldorado Park Goudkoppie - at Goudkoppie WWTW, near Power Park  | 
 
 | 
2010-11-11 | 2400000 | - | - | - | - | HIGH | HIGH | HIGH | HIGH | 
| 13 | 191696 | 2010-12-09 | 2400000 | - | - | - | - | HIGH | HIGH | HIGH | HIGH | |
| 14 | 191876 [2-month plot]
 Roodepoort Bothasfontein 408 JR - at Florida Lake Outlet  | 
 
 | 
2010-11-11 | 3200 | - | - | - | - | HIGH | Med | HIGH | Med | 
| 14 | 191876 | 2010-11-11 | 3200 | - | - | - | - | HIGH | Med | HIGH | Med | |
| 14 | 191876 | 2010-12-09 | 3200 | - | - | - | - | HIGH | Med | HIGH | Med | |
| 14 | 191876 | 2010-12-09 | 3200 | - | - | - | - | HIGH | Med | HIGH | Med | |
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