| № | 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 |
|
2006-09-13 | 23 | - | - | 8.3 | 14.5 | HIGH | low | low | low |
| 1 | 184050 | 2006-10-10 | 4 | - | - | 8.9 | 16.5 | Med | low | low | low | |
| 1 | 184050 | 2006-10-17 | 31 | - | - | 9.3 | 17.1 | HIGH | low | low | low | |
| 2 | 184054 [2-month plot]
Abstraction Point at Upington Canal at DWAF Office |
|
2006-09-13 | 31 | - | - | 8.6 | 14.3 | HIGH | low | low | low |
| 2 | 184054 | 2006-10-10 | 32 | - | - | 8.8 | 15.4 | HIGH | low | low | low | |
| 2 | 184054 | 2006-10-17 | 26 | - | - | 9.2 | 16.4 | HIGH | low | low | low | |
| 2 | 184054 | 2006-10-26 | 113 | - | - | 9.1 | 15.1 | HIGH | low | low | low | |
| 3 | 184055 [2-month plot]
Orange River at Intake of Upington Water Works |
|
2006-09-13 | 56 | - | - | 8.3 | 16.0 | HIGH | low | low | low |
| 3 | 184055 | 2006-10-10 | 13 | - | - | 8.7 | 15.9 | HIGH | low | low | low | |
| 3 | 184055 | 2006-10-17 | 40 | - | - | 8.8 | 15.3 | HIGH | low | low | low | |
| 3 | 184055 | 2006-10-26 | 59 | - | - | 8.8 | 14.2 | HIGH | low | low | low | |
| 4 | 188477 [2-month plot]
Groblershoop on Boegoeberg Canal on Left Bank (South) |
|
2006-09-13 | 46 | - | - | 8.6 | 17.5 | HIGH | low | low | low |
| 4 | 188477 | 2006-10-10 | 0 | - | - | 8.9 | 18.1 | low | low | low | low | |
| 4 | 188477 | 2006-10-17 | 10 | - | - | 9.1 | 16.8 | HIGH | low | low | low | |
| 4 | 188477 | 2006-10-26 | 11 | - | - | 8.8 | 15.8 | HIGH | low | low | low | |
| 5 | 188479 [2-month plot]
Gariep on Gariep Right (North) Bank Canal |
|
2006-09-13 | 23 | - | - | 8.6 | 16.9 | HIGH | low | low | low |
| 5 | 188479 | 2006-10-10 | 3 | - | - | 9.1 | 17.5 | Med | low | low | low | |
| 5 | 188479 | 2006-10-17 | 12 | - | - | 8.7 | 16.3 | HIGH | low | low | low | |
| 5 | 188479 | 2006-10-26 | 16 | - | - | 8.6 | 15.1 | HIGH | low | low | low | |
| 6 | 188481 [2-month plot]
Keimoes on Keimoes Right (North) Bank Canal |
|
2006-09-13 | 79 | - | - | 8.9 | 15.6 | HIGH | low | low | low |
| 6 | 188481 | 2006-10-10 | 26 | - | - | 8.8 | 17.9 | HIGH | low | low | low | |
| 6 | 188481 | 2006-10-17 | 65 | - | - | 8.9 | 17.1 | HIGH | low | low | low | |
| 6 | 188481 | 2006-10-26 | 88 | - | - | 9.1 | 16.8 | HIGH | low | low | low | |
| 7 | 188482 [2-month plot]
Kakamas on Southern Bank Canal (Left) at Kakamas |
|
2006-09-13 | 40 | - | - | 8.7 | 16.2 | HIGH | low | low | low |
| 7 | 188482 | 2006-10-10 | 82 | - | - | 8.4 | 17.6 | HIGH | low | low | low | |
| 7 | 188482 | 2006-10-17 | 25 | - | - | 9.3 | 17.6 | HIGH | low | low | low | |
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