| № | 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  | 
 
 | 
2001-11-05 | - | 43 | - | 8.7 | 20.2 | HIGH | low | low | low | 
| 1 | 184050 | 2001-11-12 | - | 93 | - | 8.5 | 22.2 | HIGH | low | low | low | |
| 1 | 184050 | 2001-11-19 | - | 93 | - | 9.1 | 23.0 | HIGH | low | low | low | |
| 1 | 184050 | 2001-11-26 | - | 460 | - | 8.5 | 24.6 | HIGH | low | HIGH | low | |
| 1 | 184050 | 2001-12-03 | - | 240 | - | 8.4 | 22.9 | HIGH | low | Med | low | |
| 1 | 184050 | 2001-12-10 | - | 240 | - | 8.4 | 22.2 | HIGH | low | Med | low | |
| 1 | 184050 | 2001-12-18 | - | 240 | - | 8.3 | 22.9 | HIGH | low | Med | low | |
| 1 | 184050 | 2001-12-24 | - | 240 | - | 8.3 | 24.2 | HIGH | low | Med | low | |
| 1 | 184050 | 2001-12-31 | - | 23 | - | 8.3 | 25.3 | HIGH | low | low | low | |
| 2 | 184054 [2-month plot]
 Abstraction Point at Upington Canal at DWAF Office  | 
 
 | 
2001-11-05 | - | 43 | - | 8.4 | 23.0 | HIGH | low | low | low | 
| 2 | 184054 | 2001-11-12 | - | 93 | - | 8.7 | 24.1 | HIGH | low | low | low | |
| 2 | 184054 | 2001-11-19 | - | 93 | - | 8.8 | 23.9 | HIGH | low | low | low | |
| 2 | 184054 | 2001-11-26 | - | 240 | - | 8.4 | 24.6 | HIGH | low | Med | low | |
| 2 | 184054 | 2001-12-03 | - | 240 | - | 8.4 | 22.4 | HIGH | low | Med | low | |
| 2 | 184054 | 2001-12-10 | - | 1100 | - | 8.2 | 22.5 | HIGH | low | HIGH | Med | |
| 2 | 184054 | 2001-12-18 | - | 1100 | - | 8.4 | 23.4 | HIGH | low | HIGH | Med | |
| 2 | 184054 | 2001-12-24 | - | 240 | - | 8.2 | 23.9 | HIGH | low | Med | low | |
| 2 | 184054 | 2001-12-31 | - | 75 | - | 8.4 | 21.3 | HIGH | low | low | low | |
| 3 | 184055 [2-month plot]
 Orange River at Intake of Upington Water Works  | 
 
 | 
2001-11-05 | - | 43 | - | 8.6 | 21.3 | HIGH | low | low | low | 
| 3 | 184055 | 2001-11-12 | - | 93 | - | 8.3 | 23.6 | HIGH | low | low | low | |
| 3 | 184055 | 2001-11-19 | - | 240 | - | 8.6 | 22.8 | HIGH | low | Med | low | |
| 3 | 184055 | 2001-11-26 | - | 240 | - | - | - | HIGH | low | Med | low | |
| 3 | 184055 | 2001-12-10 | - | 1100 | - | 8.2 | 23.8 | HIGH | low | HIGH | Med | |
| 3 | 184055 | 2001-12-18 | - | 460 | - | 8.0 | 24.4 | HIGH | low | HIGH | low | |
| 3 | 184055 | 2001-12-24 | - | 460 | - | 8.2 | 24.2 | HIGH | low | HIGH | low | |
| 3 | 184055 | 2001-12-31 | - | 93 | - | 8.7 | 22.5 | HIGH | low | low | low | |
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