| № | 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 |
|
2008-07-06 | 5 | - | - | 8.8 | 11.9 | Med | low | low | low |
| 1 | 184050 | 2008-08-04 | 16 | - | - | 8.8 | 15.4 | HIGH | low | low | low | |
| 1 | 184050 | 2008-08-11 | 12 | - | - | 8.9 | 17.7 | HIGH | low | low | low | |
| 1 | 184050 | 2008-08-25 | 8 | - | - | 8.0 | 16.6 | Med | low | low | low | |
| 2 | 184054 [2-month plot]
Abstraction Point at Upington Canal at DWAF Office |
|
2008-07-06 | 6 | - | - | 8.8 | 10.9 | Med | low | low | low |
| 2 | 184054 | 2008-07-14 | 4 | - | - | 8.8 | 12.0 | Med | low | low | low | |
| 2 | 184054 | 2008-08-04 | 12 | - | - | 8.8 | 14.6 | HIGH | low | low | low | |
| 2 | 184054 | 2008-08-11 | 11 | - | - | 8.7 | 13.4 | HIGH | low | low | low | |
| 2 | 184054 | 2008-08-25 | 6290 | - | - | 8.9 | 15.1 | HIGH | Med | HIGH | HIGH | |
| 3 | 184055 [2-month plot]
Orange River at Intake of Upington Water Works |
|
2008-07-06 | 2 | - | - | 8.9 | 12.4 | Med | low | low | low |
| 3 | 184055 | 2008-07-14 | 11 | - | - | 8.8 | 11.9 | HIGH | low | low | low | |
| 3 | 184055 | 2008-08-04 | 12 | - | - | 8.7 | 14.5 | HIGH | low | low | low | |
| 3 | 184055 | 2008-08-11 | 29 | - | - | 8.7 | 14.1 | HIGH | low | low | low | |
| 3 | 184055 | 2008-08-25 | 24 | - | - | 8.7 | 15.8 | HIGH | low | low | low | |
| 4 | 188477 [2-month plot]
Groblershoop on Boegoeberg Canal on Left Bank (South) |
|
2008-07-14 | 5 | - | - | 8.7 | 13.7 | Med | low | low | low |
| 4 | 188477 | 2008-08-04 | 0 | - | - | 8.7 | 16.4 | low | low | low | low | |
| 4 | 188477 | 2008-08-11 | 0 | - | - | 8.9 | 16.4 | low | low | low | low | |
| 4 | 188477 | 2008-08-25 | 2 | - | - | 8.8 | 17.5 | Med | low | low | low | |
| 5 | 188479 [2-month plot]
Gariep on Gariep Right (North) Bank Canal |
|
2008-07-06 | 0 | - | - | 8.7 | 14.7 | low | low | low | low |
| 5 | 188479 | 2008-08-04 | 0 | - | - | 8.7 | 16.5 | low | low | low | low | |
| 5 | 188479 | 2008-08-11 | 2 | - | - | 8.9 | 14.1 | Med | low | low | low | |
| 5 | 188479 | 2008-08-25 | 9 | - | - | 8.9 | 17.7 | Med | low | low | low | |
| 6 | 188481 [2-month plot]
Keimoes on Keimoes Right (North) Bank Canal |
|
2008-07-06 | 29 | - | - | 8.7 | 12.1 | HIGH | low | low | low |
| 6 | 188481 | 2008-07-14 | 18 | - | - | 8.6 | 12.8 | HIGH | low | low | low | |
| 6 | 188481 | 2008-08-04 | 37 | - | - | 8.6 | 14.6 | HIGH | low | low | low | |
| 6 | 188481 | 2008-08-11 | 55 | - | - | 8.9 | 15.8 | HIGH | low | low | low | |
| 6 | 188481 | 2008-08-25 | 43 | - | - | 8.6 | 17.5 | HIGH | low | low | low | |
| 7 | 188482 [2-month plot]
Kakamas on Southern Bank Canal (Left) at Kakamas |
|
2008-07-06 | 2 | - | - | 8.8 | 12.9 | Med | low | low | low |
| 7 | 188482 | 2008-07-14 | 0 | - | - | 8.7 | 12.9 | low | low | low | low | |
| 7 | 188482 | 2008-08-04 | 0 | - | - | 8.8 | 13.4 | low | low | low | low | |
| 7 | 188482 | 2008-08-11 | 4 | - | - | 8.7 | 16.4 | Med | low | low | low | |
| 7 | 188482 | 2008-08-25 | 7 | - | - | 8.6 | 19.5 | Med | low | low | low | |
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