| № | Site [ view Upper 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)  | 
 
 | 
2017-01-24 | 5400 | 5400 | - | 7.9 | - | HIGH | Med | HIGH | HIGH | 
| 2 | 90697 [2-month plot]
 (B8) Nigel R51 Road Bridge to Balfour  | 
 
 | 
2017-01-24 | 97 | - | - | - | - | HIGH | low | low | low | 
| 2 | 90697 | 2017-01-25 | 150 | 150 | - | 7.9 | - | HIGH | low | low | low | |
| 2 | 90697 | 2017-02-15 | 52 | 52 | - | 7.6 | - | HIGH | low | low | low | |
| 3 | 90725 [2-month plot]
 Klip River at R41 Witpoortjie U/S Durban Deep Mine  | 
 
 | 
2017-01-24 | 190 | 190 | 3 | 7.9 | - | HIGH | low | low | low | 
| 3 | 90725 | 2017-01-24 | 241960 | - | 3 | 7.9 | - | HIGH | HIGH | HIGH | HIGH | |
| 4 | 90727 [2-month plot]
 At Golden Highway Olifantsvlei van Wyk on Kliprivier  | 
 
 | 
2017-01-24 | 4080 | 5100 | 8 | 8.1 | - | HIGH | Med | HIGH | HIGH | 
| 4 | 90727 | 2017-01-24 | 17030 | - | 8 | 8.1 | - | HIGH | Med | HIGH | HIGH | |
| 4 | 90727 | 2017-02-14 | 4000 | 4000 | 7 | 8.2 | - | HIGH | Med | HIGH | HIGH | |
| 5 | 189142 [2-month plot]
 Standerton Sakhile downstream of STW and Bucket Dumping Site on Vaal  | 
 
 | 
2017-01-25 | 680000 | 680000 | 135 | 6.9 | - | HIGH | HIGH | HIGH | HIGH | 
| 6 | 191693 [2-month plot]
 - Soweto Eldoradopark - at Road Bridge on Klipspruit  | 
 
 | 
2017-01-12 | 240000 | - | - | - | - | HIGH | HIGH | HIGH | HIGH | 
| 6 | 191693 | 2017-02-09 | 25000 | - | - | - | - | HIGH | HIGH | HIGH | HIGH | |
| 7 | 191696 [2-month plot]
 Sia 20 - Eldorado Park Goudkoppie - at Goudkoppie WWTW, near Power Park  | 
 
 | 
2017-01-12 | 69000 | - | - | - | - | HIGH | HIGH | HIGH | HIGH | 
| 7 | 191696 | 2017-02-09 | 19000 | - | - | - | - | HIGH | Med | HIGH | HIGH | |
| 8 | 191876 [2-month plot]
 Roodepoort Bothasfontein 408 JR - at Florida Lake Outlet  | 
 
 | 
2017-01-12 | 20 | - | - | - | - | HIGH | low | low | low | 
| 8 | 191876 | 2017-02-09 | 1200 | - | - | - | - | HIGH | low | HIGH | Med | |
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