| № | 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 |
|
2007-01-25 | 4 | - | - | 8.7 | 26.5 | Med | low | low | low |
| 1 | 184050 | 2007-02-14 | 6 | - | - | 8.8 | 24.0 | Med | low | low | low | |
| 1 | 184050 | 2007-02-19 | 33 | - | - | 8.4 | 23.6 | HIGH | low | low | low | |
| 2 | 184054 [2-month plot]
Abstraction Point at Upington Canal at DWAF Office |
|
2007-01-25 | 25 | - | - | 8.8 | 25.4 | HIGH | low | low | low |
| 2 | 184054 | 2007-02-14 | 18 | - | - | 8.9 | 19.1 | HIGH | low | low | low | |
| 2 | 184054 | 2007-02-19 | 11 | - | - | 8.6 | 22.9 | HIGH | low | low | low | |
| 3 | 184055 [2-month plot]
Orange River at Intake of Upington Water Works |
|
2007-01-25 | 10 | - | - | 8.6 | 24.9 | HIGH | low | low | low |
| 3 | 184055 | 2007-02-14 | 5 | - | - | 8.7 | 20.6 | Med | low | low | low | |
| 3 | 184055 | 2007-02-19 | 23 | - | - | 8.6 | 21.9 | HIGH | low | low | low | |
| 4 | 188477 [2-month plot]
Groblershoop on Boegoeberg Canal on Left Bank (South) |
|
2007-01-25 | 14 | - | - | 8.8 | 26.1 | HIGH | low | low | low |
| 4 | 188477 | 2007-02-14 | 0 | - | - | 8.9 | 25.8 | low | low | low | low | |
| 4 | 188477 | 2007-02-19 | 20 | - | - | 8.8 | 27.7 | HIGH | low | low | low | |
| 5 | 188479 [2-month plot]
Gariep on Gariep Right (North) Bank Canal |
|
2007-01-25 | 16 | - | - | 8.6 | 23.1 | HIGH | low | low | low |
| 5 | 188479 | 2007-02-19 | 18 | - | - | 8.8 | 26.9 | HIGH | low | low | low | |
| 6 | 188481 [2-month plot]
Keimoes on Keimoes Right (North) Bank Canal |
|
2007-01-25 | 88 | - | - | 8.7 | 23.4 | HIGH | low | low | low |
| 6 | 188481 | 2007-02-14 | 93 | - | - | 8.1 | 22.9 | HIGH | low | low | low | |
| 6 | 188481 | 2007-02-19 | 186 | - | - | 8.4 | 24.3 | HIGH | low | low | low | |
| 7 | 188482 [2-month plot]
Kakamas on Southern Bank Canal (Left) at Kakamas |
|
2007-01-25 | 76 | - | - | 8.3 | 24.0 | HIGH | low | low | low |
| 7 | 188482 | 2007-02-14 | 12 | - | - | 8.2 | 23.0 | HIGH | low | low | low | |
| 7 | 188482 | 2007-02-19 | 17 | - | - | 8.4 | 23.5 | HIGH | low | low | low | |
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