| № | 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  | 
 
 | 
2006-03-06 | 99 | - | - | 8.6 | 23.4 | HIGH | low | low | low | 
| 1 | 184050 | 2006-03-13 | 69 | - | - | 8.4 | 22.6 | HIGH | low | low | low | |
| 1 | 184050 | 2006-03-20 | 59 | - | - | 8.8 | 30.2 | HIGH | low | low | low | |
| 1 | 184050 | 2006-03-27 | 78 | - | - | 8.9 | 29.1 | HIGH | low | low | low | |
| 1 | 184050 | 2006-04-03 | 126 | - | - | 8.6 | 25.8 | HIGH | low | low | low | |
| 1 | 184050 | 2006-04-10 | 64 | - | - | 8.9 | 22.7 | HIGH | low | low | low | |
| 1 | 184050 | 2006-04-18 | 70 | - | - | 8.9 | 18.5 | HIGH | low | low | low | |
| 2 | 184054 [2-month plot]
 Abstraction Point at Upington Canal at DWAF Office  | 
 
 | 
2006-03-06 | 147 | - | - | 8.6 | 22.6 | HIGH | low | low | low | 
| 2 | 184054 | 2006-03-13 | 37 | - | - | 8.5 | 24.5 | HIGH | low | low | low | |
| 2 | 184054 | 2006-03-20 | 167 | - | - | 8.3 | 24.1 | HIGH | low | low | low | |
| 2 | 184054 | 2006-03-27 | 99 | - | - | 8.8 | 25.9 | HIGH | low | low | low | |
| 2 | 184054 | 2006-04-03 | 46 | - | - | 8.8 | 23.9 | HIGH | low | low | low | |
| 2 | 184054 | 2006-04-10 | 101 | - | - | 8.6 | 20.8 | HIGH | low | low | low | |
| 2 | 184054 | 2006-04-18 | 69 | - | - | 8.7 | 21.1 | HIGH | low | low | low | |
| 3 | 184055 [2-month plot]
 Orange River at Intake of Upington Water Works  | 
 
 | 
2006-03-06 | 99 | - | - | 8.5 | 18.9 | HIGH | low | low | low | 
| 3 | 184055 | 2006-03-13 | 40 | - | - | 8.6 | 21.8 | HIGH | low | low | low | |
| 3 | 184055 | 2006-03-20 | 23 | - | - | 8.2 | 22.3 | HIGH | low | low | low | |
| 3 | 184055 | 2006-03-27 | 75 | - | - | 8.4 | 19.6 | HIGH | low | low | low | |
| 3 | 184055 | 2006-04-03 | 4 | - | - | 8.5 | 22.1 | Med | low | low | low | |
| 3 | 184055 | 2006-04-10 | 157 | - | - | 8.7 | 21.2 | HIGH | low | low | low | |
| 3 | 184055 | 2006-04-18 | 921 | - | - | 8.6 | 19.6 | HIGH | low | HIGH | low | |
| 3 | 184055 | 2006-04-24 | 129 | - | - | 8.2 | 17.6 | HIGH | low | low | low | |
| 4 | 188477 [2-month plot]
 Groblershoop on Boegoeberg Canal on Left Bank (South)  | 
 
 | 
2006-03-06 | 52 | - | - | 8.8 | 22.8 | HIGH | low | low | low | 
| 4 | 188477 | 2006-03-13 | 65 | - | - | 8.9 | 24.5 | HIGH | low | low | low | |
| 4 | 188477 | 2006-03-20 | 74 | - | - | 8.4 | 25.8 | HIGH | low | low | low | |
| 4 | 188477 | 2006-03-27 | 38 | - | - | 8.8 | 26.3 | HIGH | low | low | low | |
| 4 | 188477 | 2006-04-03 | 46 | - | - | 8.8 | 20.6 | HIGH | low | low | low | |
| 4 | 188477 | 2006-04-24 | 85 | - | - | 8.7 | 19.4 | HIGH | low | low | low | |
| 5 | 188479 [2-month plot]
 Gariep on Gariep Right (North) Bank Canal  | 
 
 | 
2006-03-06 | 118 | - | - | 8.9 | 22.5 | HIGH | low | low | low | 
| 5 | 188479 | 2006-03-13 | 126 | - | - | 8.8 | 23.9 | HIGH | low | low | low | |
| 5 | 188479 | 2006-03-20 | 83 | - | - | 8.3 | 25.3 | HIGH | low | low | low | |
| 5 | 188479 | 2006-03-27 | 69 | - | - | 8.6 | 24.6 | HIGH | low | low | low | |
| 5 | 188479 | 2006-04-03 | 76 | - | - | 9.0 | 19.9 | HIGH | low | low | low | |
| 5 | 188479 | 2006-04-24 | 45 | - | - | 8.8 | 18.8 | HIGH | low | low | low | |
| 6 | 188481 [2-month plot]
 Keimoes on Keimoes Right (North) Bank Canal  | 
 
 | 
2006-03-06 | 1120 | - | - | 8.2 | 24.1 | HIGH | low | HIGH | Med | 
| 6 | 188481 | 2006-03-13 | 104 | - | - | 8.6 | 27.4 | HIGH | low | low | low | |
| 6 | 188481 | 2006-03-20 | 158 | - | - | 8.4 | 24.6 | HIGH | low | low | low | |
| 6 | 188481 | 2006-03-27 | 169 | - | - | 8.9 | 25.2 | HIGH | low | low | low | |
| 6 | 188481 | 2006-04-03 | 186 | - | - | 8.7 | 23.6 | HIGH | low | low | low | |
| 6 | 188481 | 2006-04-10 | 164 | - | - | 8.6 | 21.6 | HIGH | low | low | low | |
| 6 | 188481 | 2006-04-18 | 190 | - | - | 8.7 | 18.8 | HIGH | low | low | low | |
| 6 | 188481 | 2006-04-24 | 105 | - | - | 8.9 | 18.0 | HIGH | low | low | low | |
| 7 | 188482 [2-month plot]
 Kakamas on Southern Bank Canal (Left) at Kakamas  | 
 
 | 
2006-03-06 | 921 | - | - | 8.5 | 24.1 | HIGH | low | HIGH | low | 
| 7 | 188482 | 2006-03-13 | 126 | - | - | 8.6 | 25.9 | HIGH | low | low | low | |
| 7 | 188482 | 2006-03-20 | 134 | - | - | 8.4 | 23.5 | HIGH | low | low | low | |
| 7 | 188482 | 2006-03-27 | 112 | - | - | 8.8 | 26.2 | HIGH | low | low | low | |
| 7 | 188482 | 2006-04-03 | 91 | - | - | 8.7 | 23.5 | HIGH | low | low | low | |
| 7 | 188482 | 2006-04-10 | 75 | - | - | 8.7 | 22.2 | HIGH | low | low | low | |
| 7 | 188482 | 2006-04-18 | 88 | - | - | 8.8 | 19.7 | HIGH | low | low | low | |
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