| № | Site [ view Lower Orange 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 | 184050 [2-month plot]
 Kanoneiland Canal at Bloemsmond Balancing Dam  | 
 
 | 
2002-09-02 | 93 | - | - | 8.2 | 17.7 | HIGH | low | low | low | 
| 1 | 184050 | 2002-09-09 | 93 | - | - | 8.2 | 22.6 | HIGH | low | low | low | |
| 1 | 184050 | 2002-09-16 | 93 | - | - | 8.6 | 21.1 | HIGH | low | low | low | |
| 1 | 184050 | 2002-09-23 | 43 | - | - | 8.6 | 19.2 | HIGH | low | low | low | |
| 1 | 184050 | 2002-09-30 | 240 | - | - | 8.9 | 18.8 | HIGH | low | Med | low | |
| 1 | 184050 | 2002-10-07 | 43 | - | - | 8.8 | 17.8 | HIGH | low | low | low | |
| 1 | 184050 | 2002-10-14 | 460 | - | - | 8.6 | 22.3 | HIGH | low | HIGH | low | |
| 1 | 184050 | 2002-10-21 | 240 | - | - | 8.4 | 21.4 | HIGH | low | Med | low | |
| 1 | 184050 | 2002-10-28 | 150 | - | - | 8.6 | 22.8 | HIGH | low | low | low | |
| 2 | 184054 [2-month plot]
 Abstraction Point at Upington Canal at DWAF Office  | 
 
 | 
2002-09-02 | 93 | - | - | 8.2 | 22.6 | HIGH | low | low | low | 
| 2 | 184054 | 2002-09-09 | 150 | - | - | 8.2 | 17.7 | HIGH | low | low | low | |
| 2 | 184054 | 2002-09-16 | 150 | - | - | 8.4 | 17.4 | HIGH | low | low | low | |
| 2 | 184054 | 2002-09-23 | 43 | - | - | 8.6 | 23.4 | HIGH | low | low | low | |
| 2 | 184054 | 2002-09-30 | 93 | - | - | 8.6 | 21.4 | HIGH | low | low | low | |
| 2 | 184054 | 2002-10-07 | 240 | - | - | 8.6 | 17.4 | HIGH | low | Med | low | |
| 2 | 184054 | 2002-10-14 | 28 | - | - | 8.9 | 21.8 | HIGH | low | low | low | |
| 2 | 184054 | 2002-10-21 | 9 | - | - | 8.5 | 22.6 | Med | low | low | low | |
| 2 | 184054 | 2002-10-28 | 23 | - | - | 8.4 | 22.5 | HIGH | low | low | low | |
| 3 | 184055 [2-month plot]
 Orange River at Intake of Upington Water Works  | 
 
 | 
2002-09-02 | 93 | - | - | 8.4 | 17.2 | HIGH | low | low | low | 
| 3 | 184055 | 2002-09-09 | 93 | - | - | 8.4 | 17.2 | HIGH | low | low | low | |
| 3 | 184055 | 2002-09-16 | 210 | - | - | 8.4 | 18.3 | HIGH | low | Med | low | |
| 3 | 184055 | 2002-09-23 | 43 | - | - | 8.4 | 24.6 | HIGH | low | low | low | |
| 3 | 184055 | 2002-10-07 | 93 | - | - | 8.4 | 17.9 | HIGH | low | low | low | |
| 3 | 184055 | 2002-10-14 | 240 | - | - | 8.4 | 23.2 | HIGH | low | Med | low | |
| 3 | 184055 | 2002-10-28 | 240 | - | - | 8.5 | 24.8 | HIGH | low | Med | low | |
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