| № | 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)  | 
 
 | 
2024-05-13 | 14600 | 15800 | - | 7.3 | - | HIGH | Med | HIGH | HIGH | 
| 1 | 90616 | 2024-06-05 | 1700 | 1700 | - | 7.2 | - | HIGH | low | HIGH | Med | |
| 2 | 90697 [2-month plot]
 (B8) Nigel R51 Road Bridge to Balfour  | 
 
 | 
2024-05-15 | 958 | 958 | - | 7.7 | - | HIGH | low | HIGH | low | 
| 2 | 90697 | 2024-06-04 | 731 | - | - | - | - | HIGH | low | HIGH | low | |
| 2 | 90697 | 2024-06-10 | 298 | 313 | - | 8.0 | - | HIGH | low | Med | low | |
| 3 | 90725 [2-month plot]
 Klip River at R41 Witpoortjie U/S Durban Deep Mine  | 
 
 | 
2024-05-08 | 1350 | 1350 | - | 7.6 | - | HIGH | low | HIGH | Med | 
| 3 | 90725 | 2024-06-04 | 155310 | 155310 | - | 7.0 | - | HIGH | HIGH | HIGH | HIGH | |
| 3 | 90725 | 2024-06-04 | 206 | - | - | 7.0 | - | HIGH | low | Med | low | |
| 4 | 90727 [2-month plot]
 At Golden Highway Olifantsvlei van Wyk on Kliprivier  | 
 
 | 
2024-05-08 | 591000 | 591000 | - | 7.3 | - | HIGH | HIGH | HIGH | HIGH | 
| 4 | 90727 | 2024-06-04 | 563450 | - | - | 7.0 | - | HIGH | HIGH | HIGH | HIGH | |
| 4 | 90727 | 2024-06-04 | 195000 | 195000 | - | 7.0 | - | HIGH | HIGH | HIGH | HIGH | |
| 5 | 189147 [2-month plot]
 Warden 150 M upstream of Dam Wall on Cornelisrivier  | 
 
 | 
2024-05-15 | 4 | 4 | 8 | 7.5 | - | Med | low | low | low | 
| 5 | 189147 | 2024-06-12 | 7 | 7 | 10 | 7.8 | - | Med | low | low | low | |
| 6 | 191693 [2-month plot]
 - Soweto Eldoradopark - at Road Bridge on Klipspruit  | 
 
 | 
2024-06-04 | 198630 | - | - | - | - | HIGH | HIGH | HIGH | HIGH | 
| 7 | 191696 [2-month plot]
 Sia 20 - Eldorado Park Goudkoppie - at Goudkoppie WWTW, near Power Park  | 
 
 | 
2024-06-13 | 140000 | - | - | 7.8 | 17.8 | HIGH | HIGH | HIGH | HIGH | 
| 8 | 191876 [2-month plot]
 Roodepoort Bothasfontein 408 JR - at Florida Lake Outlet  | 
 
 | 
2024-06-13 | 81 | - | - | 7.6 | 18.5 | HIGH | low | low | low | 
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