| № | 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)  | 
 
 | 
2012-07-17 | 96 | 96 | - | 7.6 | - | HIGH | low | low | low | 
| 1 | 90616 | 2012-08-21 | 600 | 600 | - | 7.6 | - | HIGH | low | HIGH | low | |
| 2 | 90697 [2-month plot]
 (B8) Nigel R51 Road Bridge to Balfour  | 
 
 | 
2012-07-10 | 290 | 310 | - | 8.1 | - | HIGH | low | Med | low | 
| 2 | 90697 | 2012-08-14 | 23 | 29 | - | 8.3 | - | HIGH | low | low | low | |
| 3 | 90725 [2-month plot]
 Klip River at R41 Witpoortjie U/S Durban Deep Mine  | 
 
 | 
2012-07-10 | 67 | 67 | 450 | 6.6 | - | HIGH | low | low | low | 
| 3 | 90725 | 2012-08-21 | 30 | 50 | 450 | 7.2 | - | HIGH | low | low | low | |
| 4 | 90727 [2-month plot]
 At Golden Highway Olifantsvlei van Wyk on Kliprivier  | 
 
 | 
2012-07-10 | 150 | 200 | 3 | 7.2 | - | HIGH | low | low | low | 
| 4 | 90727 | 2012-08-21 | 99 | 99 | 0 | 7.4 | - | HIGH | low | low | low | |
| 5 | 101770 [2-month plot]
 Smidts Drift Outspan 23 Schmidtsdrift at Weir on Vaal River  | 
 
 | 
2012-07-13 | 14 | - | - | - | - | HIGH | low | low | low | 
| 5 | 101770 | 2012-07-30 | 1 | - | - | - | - | Med | low | low | low | |
| 5 | 101770 | 2012-08-13 | 5 | - | - | - | - | Med | low | low | low | |
| 5 | 101770 | 2012-08-24 | 10 | - | - | - | - | HIGH | low | low | low | |
| 6 | 182718 [2-month plot]
 Skoonspruit D/S from Orkney Sewage Works  | 
 
 | 
2012-07-02 | 24300 | - | 9 | 8.2 | 9.5 | HIGH | HIGH | HIGH | HIGH | 
| 6 | 182718 | 2012-07-30 | 2247 | - | 4 | 7.7 | 8.0 | HIGH | Med | HIGH | Med | |
| 6 | 182718 | 2012-08-14 | 1733 | - | 5 | 8.0 | 9.0 | HIGH | low | HIGH | Med | |
| 6 | 182718 | 2012-08-27 | 9804 | - | 6 | 7.9 | 15.0 | HIGH | Med | HIGH | HIGH | |
| 7 | 188130 [2-month plot]
 Goedgenoeg 433 IP at Orkney Road Bridge on Jagspruit on R502  | 
 
 | 
2012-07-02 | 19863 | - | 114 | 8.0 | 9.5 | HIGH | Med | HIGH | HIGH | 
| 7 | 188130 | 2012-07-30 | 225 | - | 8 | 8.6 | 8.0 | HIGH | low | Med | low | |
| 7 | 188130 | 2012-08-14 | 1414 | - | 6 | 7.9 | 9.0 | HIGH | low | HIGH | Med | |
| 7 | 188130 | 2012-08-27 | 14140 | - | 278 | 7.6 | 15.0 | HIGH | Med | HIGH | HIGH | |
| 8 | 188131 [2-month plot]
 Koekemoerspruit at Buffelsfontein Bridge  | 
 
 | 
2012-07-02 | 2230 | - | 6 | 8.0 | 9.0 | HIGH | Med | HIGH | Med | 
| 8 | 188131 | 2012-07-30 | 111 | - | 3 | 8.0 | 9.0 | HIGH | low | low | low | |
| 8 | 188131 | 2012-08-14 | 20 | - | 8 | 7.8 | 9.0 | HIGH | low | low | low | |
| 8 | 188131 | 2012-08-27 | 26 | - | 19 | 7.6 | 15.0 | HIGH | low | low | low | |
| 9 | 188132 [2-month plot]
 Orkney - at R30 Bothaville Orkney Bridge on Vaalrivier  | 
 
 | 
2012-07-02 | 13 | - | 14 | 8.8 | 9.0 | HIGH | low | low | low | 
| 9 | 188132 | 2012-07-30 | 1 | - | 12 | 9.4 | 8.0 | Med | low | low | low | |
| 9 | 188132 | 2012-08-14 | 10 | - | 16 | 9.4 | 9.0 | HIGH | low | low | low | |
| 9 | 188132 | 2012-08-27 | 11 | - | 16 | 8.8 | 15.0 | HIGH | low | low | low | |
| 10 | 188487 [2-month plot]
 Gong Gong D/S Barkly West on Vaal  | 
 
 | 
2012-07-13 | 11 | - | - | - | - | HIGH | low | low | low | 
| 10 | 188487 | 2012-07-30 | 3 | - | - | - | - | Med | low | low | low | |
| 10 | 188487 | 2012-08-13 | 8 | - | - | - | - | Med | low | low | low | |
| 10 | 188487 | 2012-08-24 | 2420 | - | - | - | - | HIGH | Med | HIGH | Med | |
| 11 | 188489 [2-month plot]
 Doornfonteyn Middelplaats D/S Warrenton on Vaal  | 
 
 | 
2012-07-13 | 20 | - | - | - | - | HIGH | low | low | low | 
| 11 | 188489 | 2012-07-30 | 3 | - | - | - | - | Med | low | low | low | |
| 11 | 188489 | 2012-08-13 | 9 | - | - | - | - | Med | low | low | low | |
| 11 | 188489 | 2012-08-24 | 74 | - | - | - | - | HIGH | low | low | low | |
| 12 | 189142 [2-month plot]
 Standerton Sakhile downstream of STW and Bucket Dumping Site on Vaal  | 
 
 | 
2012-07-10 | 420 | 670 | - | - | - | HIGH | low | HIGH | low | 
| 12 | 189142 | 2012-08-15 | 1600 | 11300 | - | - | - | HIGH | low | HIGH | Med | |
| 13 | 189147 [2-month plot]
 Warden 150 M upstream of Dam Wall on Cornelisrivier  | 
 
 | 
2012-07-10 | 0 | 1 | - | - | - | low | low | low | low | 
| 13 | 189147 | 2012-08-15 | 80 | 80 | 0 | 7.9 | - | HIGH | low | low | low | |
| 14 | 191693 [2-month plot]
 - Soweto Eldoradopark - at Road Bridge on Klipspruit  | 
 
 | 
2012-07-12 | 26000 | - | - | - | - | HIGH | HIGH | HIGH | HIGH | 
| 14 | 191693 | 2012-08-08 | 240000 | - | - | - | - | HIGH | HIGH | HIGH | HIGH | |
| 15 | 191696 [2-month plot]
 Sia 20 - Eldorado Park Goudkoppie - at Goudkoppie WWTW, near Power Park  | 
 
 | 
2012-07-12 | 3200 | - | - | - | - | HIGH | Med | HIGH | Med | 
| 15 | 191696 | 2012-08-08 | 820 | - | - | - | - | HIGH | low | HIGH | low | |
| 16 | 191876 [2-month plot]
 Roodepoort Bothasfontein 408 JR - at Florida Lake Outlet  | 
 
 | 
2012-07-12 | 490 | - | - | - | - | HIGH | low | HIGH | low | 
| 16 | 191876 | 2012-08-08 | 470 | - | - | - | - | HIGH | low | HIGH | low | |
| 17 | 192536 [2-month plot]
 Pampierstad - at Vaal-Harts Weir on Hartsrivier  | 
 
 | 
2012-07-13 | 770 | - | - | - | - | HIGH | low | HIGH | low | 
| 17 | 192536 | 2012-07-30 | 201 | - | - | - | - | HIGH | low | Med | low | |
| 17 | 192536 | 2012-08-13 | 81 | - | - | - | - | HIGH | low | low | low | |
| 17 | 192536 | 2012-08-24 | 9 | - | - | - | - | Med | low | low | low | |
| 18 | 192624 [2-month plot]
 Buffelsfontein 443 IP - at Midvaal Intake  | 
 
 | 
2012-07-02 | 2 | - | 14 | 8.9 | 9.0 | Med | low | low | low | 
| 18 | 192624 | 2012-07-30 | 1 | - | 14 | 9.4 | 8.0 | Med | low | low | low | |
| 18 | 192624 | 2012-08-14 | 6 | - | 17 | 9.4 | 9.0 | Med | low | low | low | |
| 18 | 192624 | 2012-08-27 | 13 | - | 16 | 8.8 | 15.0 | HIGH | low | low | low | |
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