| № | 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 |
|
2002-05-06 | 150 | - | - | 8.4 | 16.0 | HIGH | low | low | low |
| 1 | 184050 | 2002-05-13 | 240 | - | - | 8.4 | 17.2 | HIGH | low | Med | low | |
| 1 | 184050 | 2002-05-27 | 240 | - | - | 9.6 | 15.0 | HIGH | low | Med | low | |
| 1 | 184050 | 2002-06-03 | 3 | - | - | 9.5 | 14.5 | Med | low | low | low | |
| 1 | 184050 | 2002-06-10 | 23 | - | - | 9.1 | 14.1 | HIGH | low | low | low | |
| 2 | 184054 [2-month plot]
Abstraction Point at Upington Canal at DWAF Office |
|
2002-05-06 | 93 | - | - | 8.6 | 17.0 | HIGH | low | low | low |
| 2 | 184054 | 2002-05-13 | 23 | - | - | 8.6 | 15.0 | HIGH | low | low | low | |
| 2 | 184054 | 2002-05-27 | 43 | - | - | 9.7 | 14.9 | HIGH | low | low | low | |
| 2 | 184054 | 2002-06-03 | 3 | - | - | 9.4 | 12.8 | Med | low | low | low | |
| 2 | 184054 | 2002-06-10 | 23 | - | - | 9.3 | 13.9 | HIGH | low | low | low | |
| 3 | 184055 [2-month plot]
Orange River at Intake of Upington Water Works |
|
2002-05-06 | 240 | - | - | 8.4 | 17.4 | HIGH | low | Med | low |
| 3 | 184055 | 2002-05-13 | 240 | - | - | 8.4 | 18.3 | HIGH | low | Med | low | |
| 3 | 184055 | 2002-05-27 | 150 | - | - | 9.7 | 15.6 | HIGH | low | low | low | |
| 3 | 184055 | 2002-06-03 | 3 | - | - | 9.6 | 15.3 | Med | low | low | low | |
| 3 | 184055 | 2002-06-10 | 23 | - | - | 9.1 | 17.5 | HIGH | low | low | low | |
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