| № | 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  | 
 
 | 
2006-07-03 | 34 | - | - | - | 11.9 | HIGH | low | low | low | 
| 1 | 184050 | 2006-07-10 | 36 | - | - | - | 11.7 | HIGH | low | low | low | |
| 1 | 184050 | 2006-07-17 | 23 | - | - | - | 10.7 | HIGH | low | low | low | |
| 1 | 184050 | 2006-07-24 | 43 | - | - | - | 10.6 | HIGH | low | low | low | |
| 1 | 184050 | 2006-08-07 | 78 | - | - | - | 14.4 | HIGH | low | low | low | |
| 1 | 184050 | 2006-08-14 | 0 | - | - | - | 12.5 | low | low | low | low | |
| 1 | 184050 | 2006-08-28 | 25 | - | - | - | 12.8 | HIGH | low | low | low | |
| 2 | 184054 [2-month plot]
 Abstraction Point at Upington Canal at DWAF Office  | 
 
 | 
2006-07-03 | 16 | - | - | - | 16.0 | HIGH | low | low | low | 
| 2 | 184054 | 2006-07-10 | 129 | - | - | - | 11.9 | HIGH | low | low | low | |
| 2 | 184054 | 2006-07-17 | 56 | - | - | - | 11.3 | HIGH | low | low | low | |
| 2 | 184054 | 2006-07-24 | 14 | - | - | - | 11.4 | HIGH | low | low | low | |
| 2 | 184054 | 2006-08-07 | 6 | - | - | - | 14.7 | Med | low | low | low | |
| 2 | 184054 | 2006-08-14 | 0 | - | - | - | 11.8 | low | low | low | low | |
| 2 | 184054 | 2006-08-28 | 32 | - | - | - | 12.6 | HIGH | low | low | low | |
| 3 | 184055 [2-month plot]
 Orange River at Intake of Upington Water Works  | 
 
 | 
2006-07-03 | 31 | - | - | - | 12.8 | HIGH | low | low | low | 
| 3 | 184055 | 2006-07-10 | 69 | - | - | - | 12.1 | HIGH | low | low | low | |
| 3 | 184055 | 2006-07-17 | 65 | - | - | - | 11.9 | HIGH | low | low | low | |
| 3 | 184055 | 2006-07-24 | 43 | - | - | - | 12.9 | HIGH | low | low | low | |
| 3 | 184055 | 2006-08-07 | 7 | - | - | - | 13.9 | Med | low | low | low | |
| 3 | 184055 | 2006-08-14 | 10 | - | - | - | 12.5 | HIGH | low | low | low | |
| 3 | 184055 | 2006-08-28 | 93 | - | - | - | 13.0 | HIGH | low | low | low | |
| 4 | 188477 [2-month plot]
 Groblershoop on Boegoeberg Canal on Left Bank (South)  | 
 
 | 
2006-07-03 | 15 | - | - | - | 12.3 | HIGH | low | low | low | 
| 4 | 188477 | 2006-07-10 | 14 | - | - | - | 13.1 | HIGH | low | low | low | |
| 4 | 188477 | 2006-07-17 | 126 | - | - | - | 13.6 | HIGH | low | low | low | |
| 4 | 188477 | 2006-07-24 | 63 | - | - | - | 14.1 | HIGH | low | low | low | |
| 4 | 188477 | 2006-08-07 | 17 | - | - | - | 12.9 | HIGH | low | low | low | |
| 4 | 188477 | 2006-08-14 | 10 | - | - | - | 13.9 | HIGH | low | low | low | |
| 4 | 188477 | 2006-08-28 | 96 | - | - | - | 14.9 | HIGH | low | low | low | |
| 5 | 188479 [2-month plot]
 Gariep on Gariep Right (North) Bank Canal  | 
 
 | 
2006-07-03 | 9 | - | - | - | 14.7 | Med | low | low | low | 
| 5 | 188479 | 2006-07-10 | 265 | - | - | - | 12.6 | HIGH | low | Med | low | |
| 5 | 188479 | 2006-07-17 | 28 | - | - | - | 12.4 | HIGH | low | low | low | |
| 5 | 188479 | 2006-07-24 | 102 | - | - | - | 13.4 | HIGH | low | low | low | |
| 5 | 188479 | 2006-08-07 | 2 | - | - | - | 10.8 | Med | low | low | low | |
| 5 | 188479 | 2006-08-14 | 2 | - | - | - | 13.1 | Med | low | low | low | |
| 5 | 188479 | 2006-08-28 | 87 | - | - | - | 14.2 | HIGH | low | low | low | |
| 6 | 188481 [2-month plot]
 Keimoes on Keimoes Right (North) Bank Canal  | 
 
 | 
2006-07-03 | 36 | - | - | - | 12.4 | HIGH | low | low | low | 
| 6 | 188481 | 2006-07-10 | 124 | - | - | - | 13.9 | HIGH | low | low | low | |
| 6 | 188481 | 2006-07-17 | 94 | - | - | - | 11.1 | HIGH | low | low | low | |
| 6 | 188481 | 2006-07-24 | 87 | - | - | - | 14.6 | HIGH | low | low | low | |
| 6 | 188481 | 2006-08-07 | 99 | - | - | - | 11.7 | HIGH | low | low | low | |
| 6 | 188481 | 2006-08-14 | 10 | - | - | - | 12.6 | HIGH | low | low | low | |
| 6 | 188481 | 2006-08-28 | 157 | - | - | - | 13.9 | HIGH | low | low | low | |
| 7 | 188482 [2-month plot]
 Kakamas on Southern Bank Canal (Left) at Kakamas  | 
 
 | 
2006-07-03 | 28 | - | - | - | 13.9 | HIGH | low | low | low | 
| 7 | 188482 | 2006-07-10 | 76 | - | - | - | 14.3 | HIGH | low | low | low | |
| 7 | 188482 | 2006-07-17 | 102 | - | - | - | 11.9 | HIGH | low | low | low | |
| 7 | 188482 | 2006-07-24 | 85 | - | - | - | 13.9 | HIGH | low | low | low | |
| 7 | 188482 | 2006-08-07 | 12 | - | - | - | 12.3 | HIGH | low | low | low | |
| 7 | 188482 | 2006-08-14 | 2 | - | - | - | 13.4 | Med | low | low | low | |
| 7 | 188482 | 2006-08-28 | 127 | - | - | - | 14.1 | HIGH | low | low | low | |
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