| № | 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  | 
 
 | 
2004-09-06 | 9 | - | - | 8.9 | 8.8 | Med | low | low | low | 
| 1 | 184050 | 2004-09-13 | 460 | - | - | 8.9 | 17.3 | HIGH | low | HIGH | low | |
| 1 | 184050 | 2004-09-20 | 9 | - | - | 9.1 | 18.4 | Med | low | low | low | |
| 1 | 184050 | 2004-10-04 | 43 | - | - | 8.9 | 23.8 | HIGH | low | low | low | |
| 1 | 184050 | 2004-10-11 | 9 | - | - | 9.2 | 17.1 | Med | low | low | low | |
| 1 | 184050 | 2004-10-18 | 43 | - | - | 9.1 | 17.5 | HIGH | low | low | low | |
| 2 | 184054 [2-month plot]
 Abstraction Point at Upington Canal at DWAF Office  | 
 
 | 
2004-09-06 | 3 | - | - | 8.9 | 15.2 | Med | low | low | low | 
| 2 | 184054 | 2004-09-13 | 9 | - | - | 8.8 | 17.8 | Med | low | low | low | |
| 2 | 184054 | 2004-09-20 | 28 | - | - | 9.2 | 18.1 | HIGH | low | low | low | |
| 2 | 184054 | 2004-10-04 | 93 | - | - | 9.2 | 24.1 | HIGH | low | low | low | |
| 2 | 184054 | 2004-10-11 | 23 | - | - | 9.1 | 16.8 | HIGH | low | low | low | |
| 2 | 184054 | 2004-10-18 | 9 | - | - | 9.1 | 17.1 | Med | low | low | low | |
| 3 | 184055 [2-month plot]
 Orange River at Intake of Upington Water Works  | 
 
 | 
2004-09-06 | 15 | - | - | 8.8 | 17.9 | HIGH | low | low | low | 
| 3 | 184055 | 2004-09-13 | 23 | - | - | 8.6 | 18.2 | HIGH | low | low | low | |
| 3 | 184055 | 2004-09-20 | 9 | - | - | 8.7 | 17.5 | Med | low | low | low | |
| 3 | 184055 | 2004-10-04 | 93 | - | - | 9.1 | 22.8 | HIGH | low | low | low | |
| 3 | 184055 | 2004-10-11 | 9 | - | - | 8.7 | 16.5 | Med | low | low | low | |
| 3 | 184055 | 2004-10-18 | 13 | - | - | 8.9 | 15.8 | HIGH | low | low | low | |
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