| № | 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 |
|
2003-02-03 | 150 | - | - | 9.3 | 28.5 | HIGH | low | low | low |
| 1 | 184050 | 2003-02-10 | 240 | - | - | 8.5 | 29.8 | HIGH | low | Med | low | |
| 1 | 184050 | 2003-02-17 | 93 | - | - | 9.4 | 27.9 | HIGH | low | low | low | |
| 1 | 184050 | 2003-02-24 | 240 | - | - | 8.6 | 23.9 | HIGH | low | Med | low | |
| 2 | 184054 [2-month plot]
Abstraction Point at Upington Canal at DWAF Office |
|
2003-02-03 | 43 | - | - | 8.6 | 25.1 | HIGH | low | low | low |
| 2 | 184054 | 2003-02-10 | 23 | - | - | 8.6 | 30.5 | HIGH | low | low | low | |
| 2 | 184054 | 2003-02-17 | 43 | - | - | 9.1 | 26.3 | HIGH | low | low | low | |
| 2 | 184054 | 2003-02-24 | 93 | - | - | 8.8 | 25.7 | HIGH | low | low | low | |
| 3 | 184055 [2-month plot]
Orange River at Intake of Upington Water Works |
|
2003-02-03 | 240 | - | - | 9.1 | 24.8 | HIGH | low | Med | low |
| 3 | 184055 | 2003-02-10 | 240 | - | - | 8.9 | 28.8 | HIGH | low | Med | low | |
| 3 | 184055 | 2003-02-17 | 460 | - | - | 8.9 | 26.8 | HIGH | low | HIGH | low | |
| 3 | 184055 | 2003-02-24 | 93 | - | - | 8.5 | 24.9 | HIGH | low | low | low | |
 |
 |