| № | 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  | 
 
 | 
2003-07-07 | 75 | - | - | 9.2 | 16.5 | HIGH | low | low | low | 
| 1 | 184050 | 2003-07-14 | 43 | - | - | 7.6 | 10.2 | HIGH | low | low | low | |
| 1 | 184050 | 2003-07-21 | 240 | - | - | 7.5 | 17.1 | HIGH | low | Med | low | |
| 1 | 184050 | 2003-07-28 | 23 | - | - | 8.6 | 16.1 | HIGH | low | low | low | |
| 1 | 184050 | 2003-08-04 | 75 | - | - | 8.6 | 16.1 | HIGH | low | low | low | |
| 1 | 184050 | 2003-08-11 | 9 | - | - | 8.7 | 16.7 | Med | low | low | low | |
| 1 | 184050 | 2003-08-25 | 9 | - | - | 8.7 | 15.8 | Med | low | low | low | |
| 2 | 184054 [2-month plot]
 Abstraction Point at Upington Canal at DWAF Office  | 
 
 | 
2003-07-07 | 43 | - | - | 9.4 | 14.2 | HIGH | low | low | low | 
| 2 | 184054 | 2003-07-14 | 9 | - | - | 8.0 | 10.8 | Med | low | low | low | |
| 2 | 184054 | 2003-07-21 | 43 | - | - | 8.2 | 16.3 | HIGH | low | low | low | |
| 2 | 184054 | 2003-07-28 | 9 | - | - | 8.5 | 14.7 | Med | low | low | low | |
| 2 | 184054 | 2003-08-04 | 43 | - | - | 8.5 | 14.7 | HIGH | low | low | low | |
| 2 | 184054 | 2003-08-11 | 43 | - | - | 8.6 | 16.5 | HIGH | low | low | low | |
| 2 | 184054 | 2003-08-25 | 23 | - | - | 8.4 | 15.2 | HIGH | low | low | low | |
| 3 | 184055 [2-month plot]
 Orange River at Intake of Upington Water Works  | 
 
 | 
2003-07-07 | 93 | - | - | 9.4 | 14.5 | HIGH | low | low | low | 
| 3 | 184055 | 2003-07-14 | 43 | - | - | 8.2 | 12.7 | HIGH | low | low | low | |
| 3 | 184055 | 2003-07-21 | 240 | - | - | 8.4 | 13.2 | HIGH | low | Med | low | |
| 3 | 184055 | 2003-07-28 | 23 | - | - | 8.4 | 16.1 | HIGH | low | low | low | |
| 3 | 184055 | 2003-08-04 | 460 | - | - | 8.4 | 16.1 | HIGH | low | HIGH | low | |
| 3 | 184055 | 2003-08-11 | 23 | - | - | 8.7 | 15.8 | HIGH | low | low | low | |
| 3 | 184055 | 2003-08-18 | 240 | - | - | 8.9 | 15.8 | HIGH | low | Med | low | |
| 3 | 184055 | 2003-08-25 | 23 | - | - | 8.5 | 17.1 | HIGH | low | low | low | |
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