| № | 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 |
|
2007-05-23 | 2 | - | - | 8.4 | 13.1 | Med | low | low | low |
| 1 | 184050 | 2007-06-19 | 2 | - | - | 8.6 | 14.5 | Med | low | low | low | |
| 1 | 184050 | 2007-06-26 | 27 | - | - | 8.6 | 13.8 | HIGH | low | low | low | |
| 2 | 184054 [2-month plot]
Abstraction Point at Upington Canal at DWAF Office |
|
2007-05-19 | 8 | - | - | 8.9 | 12.9 | Med | low | low | low |
| 2 | 184054 | 2007-06-26 | 25 | - | - | 8.8 | 13.2 | HIGH | low | low | low | |
| 3 | 184055 [2-month plot]
Orange River at Intake of Upington Water Works |
|
2007-05-02 | 22 | - | - | 8.5 | 13.6 | HIGH | low | low | low |
| 3 | 184055 | 2007-05-23 | 6 | - | - | 8.4 | 15.5 | Med | low | low | low | |
| 3 | 184055 | 2007-05-30 | 2 | - | - | 8.6 | 14.3 | Med | low | low | low | |
| 3 | 184055 | 2007-06-06 | 17 | - | - | 8.9 | 12.1 | HIGH | low | low | low | |
| 3 | 184055 | 2007-06-19 | 16 | - | - | 8.9 | 14.2 | HIGH | low | low | low | |
| 3 | 184055 | 2007-06-26 | 37 | - | - | 8.8 | 15.3 | HIGH | low | low | low | |
| 4 | 188477 [2-month plot]
Groblershoop on Boegoeberg Canal on Left Bank (South) |
|
2007-05-02 | 2 | - | - | 8.5 | 15.2 | Med | low | low | low |
| 4 | 188477 | 2007-05-30 | 0 | - | - | 8.7 | 13.5 | low | low | low | low | |
| 4 | 188477 | 2007-06-06 | 0 | - | - | 8.8 | 14.2 | low | low | low | low | |
| 4 | 188477 | 2007-06-26 | 0 | - | - | 8.2 | 13.9 | low | low | low | low | |
| 5 | 188479 [2-month plot]
Gariep on Gariep Right (North) Bank Canal |
|
2007-05-02 | 3 | - | - | 8.6 | 13.2 | Med | low | low | low |
| 5 | 188479 | 2007-05-30 | 0 | - | - | 8.8 | 13.7 | low | low | low | low | |
| 5 | 188479 | 2007-06-06 | 0 | - | - | 8.2 | 14.5 | low | low | low | low | |
| 5 | 188479 | 2007-06-26 | 0 | - | - | 8.1 | 13.3 | low | low | low | low | |
| 6 | 188481 [2-month plot]
Keimoes on Keimoes Right (North) Bank Canal |
|
2007-05-23 | 68 | - | - | 8.7 | 15.1 | HIGH | low | low | low |
| 6 | 188481 | 2007-06-19 | 10 | - | - | 8.1 | 14.9 | HIGH | low | low | low | |
| 6 | 188481 | 2007-06-26 | 0 | - | - | 8.8 | 14.6 | low | low | low | low | |
| 7 | 188482 [2-month plot]
Kakamas on Southern Bank Canal (Left) at Kakamas |
|
2007-05-06 | 3 | - | - | 8.4 | 14.9 | Med | low | low | low |
| 7 | 188482 | 2007-06-19 | 2 | - | - | 8.6 | 13.7 | Med | low | low | low | |
| 7 | 188482 | 2007-06-26 | 27 | - | - | 8.8 | 14.1 | HIGH | low | low | low | |
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