| № | 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 | 184055 [2-month plot]
 Orange River at Intake of Upington Water Works  | 
 
 | 
2011-03-17 | 108 | - | - | - | - | HIGH | low | low | low | 
| 2 | 188479 [2-month plot]
 Gariep on Gariep Right (North) Bank Canal  | 
 
 | 
2011-03-04 | 309 | - | - | - | - | HIGH | low | Med | low | 
| 2 | 188479 | 2011-03-17 | 14136 | - | - | - | - | HIGH | Med | HIGH | HIGH | |
| 3 | 188481 [2-month plot]
 Keimoes on Keimoes Right (North) Bank Canal  | 
 
 | 
2011-03-06 | 135 | - | - | - | - | HIGH | low | low | low | 
| 3 | 188481 | 2011-03-17 | 243 | - | - | - | - | HIGH | low | Med | low | |
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