| № | 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 |
|
2007-09-07 | 23 | - | - | 8.3 | 19.8 | HIGH | low | low | low |
| 1 | 184050 | 2007-10-03 | 15 | - | - | 8.7 | 20.3 | HIGH | low | low | low | |
| 1 | 184050 | 2007-10-16 | 2419 | - | - | 8.6 | 22.3 | HIGH | Med | HIGH | Med | |
| 1 | 184050 | 2007-10-22 | 11 | - | - | 8.8 | 23.5 | HIGH | low | low | low | |
| 1 | 184050 | 2007-10-29 | 31 | - | - | 8.8 | 22.7 | HIGH | low | low | low | |
| 2 | 184054 [2-month plot]
Abstraction Point at Upington Canal at DWAF Office |
|
2007-09-07 | 15 | - | - | 8.4 | 20.4 | HIGH | low | low | low |
| 2 | 184054 | 2007-10-03 | 17 | - | - | 8.5 | 19.9 | HIGH | low | low | low | |
| 2 | 184054 | 2007-10-16 | 24 | - | - | 8.4 | 21.9 | HIGH | low | low | low | |
| 2 | 184054 | 2007-10-22 | 17 | - | - | 8.6 | 22.1 | HIGH | low | low | low | |
| 3 | 184055 [2-month plot]
Orange River at Intake of Upington Water Works |
|
2007-09-07 | 446 | - | - | 8.5 | 18.5 | HIGH | low | HIGH | low |
| 3 | 184055 | 2007-10-03 | 921 | - | - | 8.6 | 20.9 | HIGH | low | HIGH | low | |
| 3 | 184055 | 2007-10-16 | 92 | - | - | 8.3 | 17.2 | HIGH | low | low | low | |
| 3 | 184055 | 2007-10-22 | 36 | - | - | 8.4 | 21.2 | HIGH | low | low | low | |
| 3 | 184055 | 2007-10-29 | 74 | - | - | 8.5 | 19.7 | HIGH | low | low | low | |
| 4 | 188477 [2-month plot]
Groblershoop on Boegoeberg Canal on Left Bank (South) |
|
2007-09-07 | 44 | - | - | 9.2 | 23.8 | HIGH | low | low | low |
| 4 | 188477 | 2007-10-03 | 4 | - | - | 9.1 | 22.9 | Med | low | low | low | |
| 4 | 188477 | 2007-10-16 | 15 | - | - | 9.2 | 23.1 | HIGH | low | low | low | |
| 4 | 188477 | 2007-10-22 | 18 | - | - | 9.1 | 23.9 | HIGH | low | low | low | |
| 4 | 188477 | 2007-10-29 | 11 | - | - | 9.3 | 23.5 | HIGH | low | low | low | |
| 5 | 188479 [2-month plot]
Gariep on Gariep Right (North) Bank Canal |
|
2007-09-07 | 62 | - | - | 8.9 | 22.9 | HIGH | low | low | low |
| 5 | 188479 | 2007-10-03 | 16 | - | - | 9.2 | 23.1 | HIGH | low | low | low | |
| 5 | 188479 | 2007-10-16 | 12 | - | - | 9.0 | 22.7 | HIGH | low | low | low | |
| 5 | 188479 | 2007-10-22 | 10 | - | - | 8.9 | 24.2 | HIGH | low | low | low | |
| 5 | 188479 | 2007-10-29 | 4 | - | - | 9.1 | 23.8 | Med | low | low | low | |
| 6 | 188481 [2-month plot]
Keimoes on Keimoes Right (North) Bank Canal |
|
2007-09-07 | 257 | - | - | 8.8 | 22.8 | HIGH | low | Med | low |
| 6 | 188481 | 2007-10-03 | 488 | - | - | 8.7 | 21.3 | HIGH | low | HIGH | low | |
| 6 | 188481 | 2007-10-16 | 69 | - | - | 8.3 | 22.1 | HIGH | low | low | low | |
| 6 | 188481 | 2007-10-22 | 26 | - | - | 8.6 | 24.1 | HIGH | low | low | low | |
| 6 | 188481 | 2007-10-29 | 127 | - | - | 8.7 | 20.8 | HIGH | low | low | low | |
| 7 | 188482 [2-month plot]
Kakamas on Southern Bank Canal (Left) at Kakamas |
|
2007-09-07 | 24 | - | - | 8.7 | 23.8 | HIGH | low | low | low |
| 7 | 188482 | 2007-10-03 | 12 | - | - | 8.6 | 22.9 | HIGH | low | low | low | |
| 7 | 188482 | 2007-10-16 | 54 | - | - | 8.6 | 23.8 | HIGH | low | low | low | |
| 7 | 188482 | 2007-10-22 | 38 | - | - | 8.7 | 24.8 | HIGH | low | low | low | |
| 7 | 188482 | 2007-10-29 | 727 | - | - | 8.6 | 21.6 | HIGH | low | HIGH | low | |
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