| № | 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  | 
 
 | 
2001-07-03 | - | 93 | - | 8.5 | 16.2 | HIGH | low | low | low | 
| 1 | 184050 | 2001-07-10 | - | 23 | - | 8.2 | 14.1 | HIGH | low | low | low | |
| 1 | 184050 | 2001-07-23 | - | 0 | - | 7.9 | 6.6 | low | low | low | low | |
| 1 | 184050 | 2001-08-02 | - | 23 | - | 8.2 | 15.3 | HIGH | low | low | low | |
| 1 | 184050 | 2001-08-15 | - | 23 | - | 8.5 | 15.5 | HIGH | low | low | low | |
| 2 | 184054 [2-month plot]
 Abstraction Point at Upington Canal at DWAF Office  | 
 
 | 
2001-07-03 | - | 43 | - | 8.5 | 16.0 | HIGH | low | low | low | 
| 2 | 184054 | 2001-07-10 | - | 21 | - | 8.4 | 13.2 | HIGH | low | low | low | |
| 2 | 184054 | 2001-07-23 | - | 3 | - | 8.2 | 6.3 | Med | low | low | low | |
| 2 | 184054 | 2001-08-02 | - | 23 | - | 8.2 | 13.6 | HIGH | low | low | low | |
| 2 | 184054 | 2001-08-15 | - | 3 | - | 8.3 | 6.1 | Med | low | low | low | |
| 3 | 184055 [2-month plot]
 Orange River at Intake of Upington Water Works  | 
 
 | 
2001-07-03 | - | 93 | - | 8.5 | 16.2 | HIGH | low | low | low | 
| 3 | 184055 | 2001-07-10 | - | 23 | - | 8.2 | 14.1 | HIGH | low | low | low | |
| 3 | 184055 | 2001-07-23 | - | 0 | - | 7.9 | 6.6 | low | low | low | low | |
| 3 | 184055 | 2001-08-02 | - | 23 | - | 8.2 | 15.3 | HIGH | low | low | low | |
| 3 | 184055 | 2001-08-15 | - | 23 | - | 8.5 | 15.5 | HIGH | low | low | low | |
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