| № | 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 |
|
2002-11-04 | 75 | - | - | 8.8 | 23.1 | HIGH | low | low | low |
| 1 | 184050 | 2002-11-11 | 93 | - | - | 8.3 | 24.5 | HIGH | low | low | low | |
| 1 | 184050 | 2002-11-18 | 93 | - | - | 8.6 | 26.1 | HIGH | low | low | low | |
| 1 | 184050 | 2002-11-25 | 23 | - | - | 8.9 | 24.6 | HIGH | low | low | low | |
| 2 | 184054 [2-month plot]
Abstraction Point at Upington Canal at DWAF Office |
|
2002-11-04 | 43 | - | - | 8.9 | 24.5 | HIGH | low | low | low |
| 2 | 184054 | 2002-11-11 | 21 | - | - | 8.5 | 23.9 | HIGH | low | low | low | |
| 2 | 184054 | 2002-11-18 | 9 | - | - | 8.6 | 26.5 | Med | low | low | low | |
| 2 | 184054 | 2002-11-25 | 23 | - | - | 8.8 | 22.2 | HIGH | low | low | low | |
| 3 | 184055 [2-month plot]
Orange River at Intake of Upington Water Works |
|
2002-11-04 | 75 | - | - | 8.7 | 25.6 | HIGH | low | low | low |
| 3 | 184055 | 2002-11-11 | 240 | - | - | 8.6 | 24.8 | HIGH | low | Med | low | |
| 3 | 184055 | 2002-11-18 | 210 | - | - | 8.4 | 28.6 | HIGH | low | Med | low | |
| 3 | 184055 | 2002-11-25 | 240 | - | - | 8.8 | 29.5 | HIGH | low | Med | low | |
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