| № | 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  | 
 
 | 
2003-09-01 | 15 | - | - | 9.1 | 17.1 | HIGH | low | low | low | 
| 1 | 184050 | 2003-09-08 | 240 | - | - | 8.9 | 14.3 | HIGH | low | Med | low | |
| 1 | 184050 | 2003-09-15 | 93 | - | - | 8.5 | 20.0 | HIGH | low | low | low | |
| 1 | 184050 | 2003-09-22 | 3 | - | - | 8.9 | 13.9 | Med | low | low | low | |
| 1 | 184050 | 2003-09-29 | 240 | - | - | 9.2 | 22.2 | HIGH | low | Med | low | |
| 1 | 184050 | 2003-10-06 | 75 | - | - | 9.1 | 20.9 | HIGH | low | low | low | |
| 1 | 184050 | 2003-10-13 | 93 | - | - | 9.0 | 22.3 | HIGH | low | low | low | |
| 1 | 184050 | 2003-10-20 | 23 | - | - | 8.9 | 22.3 | HIGH | low | low | low | |
| 1 | 184050 | 2003-10-27 | 23 | - | - | 9.2 | 22.2 | HIGH | low | low | low | |
| 2 | 184054 [2-month plot]
 Abstraction Point at Upington Canal at DWAF Office  | 
 
 | 
2003-09-22 | 3 | - | - | 8.8 | 17.9 | Med | low | low | low | 
| 2 | 184054 | 2003-09-29 | 23 | - | - | 9.1 | 23.9 | HIGH | low | low | low | |
| 2 | 184054 | 2003-10-06 | 23 | - | - | 8.9 | 24.0 | HIGH | low | low | low | |
| 2 | 184054 | 2003-10-13 | 240 | - | - | 9.0 | 23.7 | HIGH | low | Med | low | |
| 2 | 184054 | 2003-10-20 | 23 | - | - | 9.0 | 25.0 | HIGH | low | low | low | |
| 2 | 184054 | 2003-10-27 | 9 | - | - | 9.0 | 19.9 | Med | low | low | low | |
| 3 | 184055 [2-month plot]
 Orange River at Intake of Upington Water Works  | 
 
 | 
2003-09-01 | 240 | - | - | 8.9 | 18.3 | HIGH | low | Med | low | 
| 3 | 184055 | 2003-09-08 | 21 | - | - | 8.4 | 16.1 | HIGH | low | low | low | |
| 3 | 184055 | 2003-09-15 | 43 | - | - | 8.8 | 24.4 | HIGH | low | low | low | |
| 3 | 184055 | 2003-09-22 | 3 | - | - | 9.0 | 18.9 | Med | low | low | low | |
| 3 | 184055 | 2003-09-29 | 240 | - | - | 8.9 | 21.8 | HIGH | low | Med | low | |
| 3 | 184055 | 2003-10-06 | 93 | - | - | 9.5 | 23.9 | HIGH | low | low | low | |
| 3 | 184055 | 2003-10-13 | 240 | - | - | 8.9 | 24.2 | HIGH | low | Med | low | |
| 3 | 184055 | 2003-10-20 | 9 | - | - | 8.8 | 20.7 | Med | low | low | low | |
| 3 | 184055 | 2003-10-27 | 23 | - | - | 8.8 | 24.8 | HIGH | low | low | low | |
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