| № | 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  | 
 
 | 
2003-11-03 | 23 | - | - | 9.0 | 30.3 | HIGH | low | low | low | 
| 1 | 184050 | 2003-11-10 | 1100 | - | - | 9.3 | 27.9 | HIGH | low | HIGH | Med | |
| 1 | 184050 | 2003-11-17 | 3 | - | - | 9.2 | 28.5 | Med | low | low | low | |
| 1 | 184050 | 2003-11-24 | 93 | - | - | 9.3 | 27.4 | HIGH | low | low | low | |
| 1 | 184050 | 2003-12-08 | 15 | - | - | 9.3 | 26.5 | HIGH | low | low | low | |
| 1 | 184050 | 2003-12-15 | 23 | - | - | 9.3 | 31.2 | HIGH | low | low | low | |
| 1 | 184050 | 2003-12-29 | 23 | - | - | 9.7 | 29.7 | HIGH | low | low | low | |
| 2 | 184054 [2-month plot]
 Abstraction Point at Upington Canal at DWAF Office  | 
 
 | 
2003-11-03 | 23 | - | - | 9.3 | 24.7 | HIGH | low | low | low | 
| 2 | 184054 | 2003-11-10 | 1100 | - | - | 9.3 | 26.5 | HIGH | low | HIGH | Med | |
| 2 | 184054 | 2003-11-17 | 9 | - | - | 9.5 | 26.6 | Med | low | low | low | |
| 2 | 184054 | 2003-11-24 | 240 | - | - | 9.5 | 25.7 | HIGH | low | Med | low | |
| 2 | 184054 | 2003-12-08 | 23 | - | - | 9.4 | 26.2 | HIGH | low | low | low | |
| 2 | 184054 | 2003-12-15 | 23 | - | - | - | - | HIGH | low | low | low | |
| 2 | 184054 | 2003-12-29 | 9 | - | - | 10.0 | 23.4 | Med | low | low | low | |
| 3 | 184055 [2-month plot]
 Orange River at Intake of Upington Water Works  | 
 
 | 
2003-11-03 | 43 | - | - | 8.8 | 27.6 | HIGH | low | low | low | 
| 3 | 184055 | 2003-11-10 | 460 | - | - | 9.2 | 26.9 | HIGH | low | HIGH | low | |
| 3 | 184055 | 2003-11-17 | 15 | - | - | 9.0 | 28.5 | HIGH | low | low | low | |
| 3 | 184055 | 2003-11-24 | 43 | - | - | 9.1 | 24.8 | HIGH | low | low | low | |
| 3 | 184055 | 2003-12-08 | 15 | - | - | 9.8 | 28.4 | HIGH | low | low | low | |
| 3 | 184055 | 2003-12-15 | 23 | - | - | 9.6 | 29.8 | HIGH | low | low | low | |
| 3 | 184055 | 2003-12-29 | 3 | - | - | 9.7 | 26.4 | Med | low | low | low | |
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