| № | 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 | 90849 [2-month plot]
 Kroonstad - at R76 Road Bridge on Vals River (Old Barend Wessel)  | 
 
 | 
2014-01-10 | 2420 | - | - | 7.7 | - | HIGH | Med | HIGH | Med | 
| 1 | 90849 | 2014-02-07 | 2420 | - | - | 7.2 | - | HIGH | Med | HIGH | Med | |
| 2 | 182718 [2-month plot]
 Skoonspruit D/S from Orkney Sewage Works  | 
 
 | 
2014-01-07 | 2420 | - | - | 7.6 | - | HIGH | Med | HIGH | Med | 
| 2 | 182718 | 2014-02-03 | 2420 | - | - | 7.2 | - | HIGH | Med | HIGH | Med | |
| 3 | 188130 [2-month plot]
 Goedgenoeg 433 IP at Orkney Road Bridge on Jagspruit on R502  | 
 
 | 
2014-01-07 | 1046 | - | - | 7.7 | - | HIGH | low | HIGH | Med | 
| 3 | 188130 | 2014-02-03 | 2420 | - | - | 7.4 | - | HIGH | Med | HIGH | Med | |
| 4 | 188132 [2-month plot]
 Orkney - at R30 Bothaville Orkney Bridge on Vaalrivier  | 
 
 | 
2014-01-13 | 131 | - | - | 8.0 | - | HIGH | low | low | low | 
| 4 | 188132 | 2014-02-10 | 178 | - | - | 7.7 | - | HIGH | low | low | low | |
| 5 | 191050 [2-month plot]
 Floorsdrift 15 - Hoopstad at R59 Road Bridge on Vetrivier  | 
 
 | 
2014-01-08 | 194 | - | - | 8.0 | - | HIGH | low | low | low | 
| 5 | 191050 | 2014-02-19 | 60 | - | - | 7.4 | - | HIGH | low | low | low | |
| 6 | 191693 [2-month plot]
 - Soweto Eldoradopark - at Road Bridge on Klipspruit  | 
 
 | 
2014-01-16 | 17000 | - | - | - | - | HIGH | Med | HIGH | HIGH | 
| 6 | 191693 | 2014-02-13 | 240000 | - | - | - | - | HIGH | HIGH | HIGH | HIGH | |
| 7 | 191696 [2-month plot]
 Sia 20 - Eldorado Park Goudkoppie - at Goudkoppie WWTW, near Power Park  | 
 
 | 
2014-01-16 | 680000 | - | - | - | - | HIGH | HIGH | HIGH | HIGH | 
| 7 | 191696 | 2014-02-13 | 2400000 | - | - | - | - | HIGH | HIGH | HIGH | HIGH | |
| 8 | 191876 [2-month plot]
 Roodepoort Bothasfontein 408 JR - at Florida Lake Outlet  | 
 
 | 
2014-01-16 | 60 | - | - | - | - | HIGH | low | low | low | 
| 8 | 191876 | 2014-02-13 | 170 | - | - | - | - | HIGH | low | low | low | |
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