| № | 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 |
|
2006-05-10 | 179 | - | - | 8.5 | 15.8 | HIGH | low | low | low |
| 1 | 184050 | 2006-05-16 | 115 | - | - | 8.9 | 17.3 | HIGH | low | low | low | |
| 1 | 184050 | 2006-05-21 | 47 | - | - | - | - | HIGH | low | low | low | |
| 2 | 184054 [2-month plot]
Abstraction Point at Upington Canal at DWAF Office |
|
2006-05-10 | 135 | - | - | 8.5 | 16.5 | HIGH | low | low | low |
| 2 | 184054 | 2006-05-16 | 68 | - | - | 8.7 | 17.1 | HIGH | low | low | low | |
| 2 | 184054 | 2006-05-21 | 39 | - | - | - | - | HIGH | low | low | low | |
| 3 | 184055 [2-month plot]
Orange River at Intake of Upington Water Works |
|
2006-05-03 | 114 | - | - | 8.9 | 15.6 | HIGH | low | low | low |
| 3 | 184055 | 2006-05-10 | 161 | - | - | 8.7 | - | HIGH | low | low | low | |
| 3 | 184055 | 2006-05-16 | 99 | - | - | 8.6 | 16.8 | HIGH | low | low | low | |
| 3 | 184055 | 2006-06-05 | 48 | - | - | 7.2 | 14.0 | HIGH | low | low | low | |
| 3 | 184055 | 2006-06-21 | 39 | - | - | 8.5 | 15.4 | HIGH | low | low | low | |
| 4 | 188477 [2-month plot]
Groblershoop on Boegoeberg Canal on Left Bank (South) |
|
2006-05-03 | 192 | - | - | 9.3 | 17.2 | HIGH | low | low | low |
| 4 | 188477 | 2006-05-10 | 99 | - | - | 8.6 | 17.6 | HIGH | low | low | low | |
| 5 | 188479 [2-month plot]
Gariep on Gariep Right (North) Bank Canal |
|
2006-05-03 | 435 | - | - | 9.1 | 16.7 | HIGH | low | HIGH | low |
| 5 | 188479 | 2006-05-10 | 178 | - | - | 8.8 | 17.1 | HIGH | low | low | low | |
| 6 | 188481 [2-month plot]
Keimoes on Keimoes Right (North) Bank Canal |
|
2006-05-10 | 129 | - | - | 8.7 | 16.8 | HIGH | low | low | low |
| 6 | 188481 | 2006-05-16 | 138 | - | - | 8.8 | 17.9 | HIGH | low | low | low | |
| 6 | 188481 | 2006-06-21 | 52 | - | - | 8.6 | 17.1 | HIGH | low | low | low | |
| 7 | 188482 [2-month plot]
Kakamas on Southern Bank Canal (Left) at Kakamas |
|
2006-05-10 | 124 | - | - | 8.9 | 17.3 | HIGH | low | low | low |
| 7 | 188482 | 2006-05-16 | 72 | - | - | 9.2 | 18.2 | HIGH | low | low | low | |
| 7 | 188482 | 2006-05-21 | 35 | - | - | - | - | HIGH | low | low | low | |
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