| № | 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  | 
 
 | 
2002-03-04 | - | 3 | - | 8.8 | 23.2 | Med | low | low | low | 
| 1 | 184050 | 2002-03-13 | - | 240 | - | 8.7 | 21.6 | HIGH | low | Med | low | |
| 1 | 184050 | 2002-03-18 | 1100 | - | - | 8.9 | 23.2 | HIGH | low | HIGH | Med | |
| 1 | 184050 | 2002-03-25 | 460 | - | - | 8.7 | 21.2 | HIGH | low | HIGH | low | |
| 1 | 184050 | 2002-04-02 | 93 | - | - | 8.4 | 21.3 | HIGH | low | low | low | |
| 1 | 184050 | 2002-04-08 | 43 | - | - | 8.3 | 21.4 | HIGH | low | low | low | |
| 1 | 184050 | 2002-04-22 | 93 | - | - | 8.6 | 21.0 | HIGH | low | low | low | |
| 1 | 184050 | 2002-04-29 | 1100 | - | - | 8.5 | 21.4 | HIGH | low | HIGH | Med | |
| 2 | 184054 [2-month plot]
 Abstraction Point at Upington Canal at DWAF Office  | 
 
 | 
2002-03-04 | - | 0 | - | 8.5 | 21.7 | low | low | low | low | 
| 2 | 184054 | 2002-03-13 | - | 240 | - | 9.0 | 21.5 | HIGH | low | Med | low | |
| 2 | 184054 | 2002-03-18 | 460 | - | - | 8.6 | 22.5 | HIGH | low | HIGH | low | |
| 2 | 184054 | 2002-03-25 | 75 | - | - | 8.5 | 20.5 | HIGH | low | low | low | |
| 2 | 184054 | 2002-04-02 | 150 | - | - | 8.7 | 20.2 | HIGH | low | low | low | |
| 2 | 184054 | 2002-04-08 | 460 | - | - | 8.8 | 18.4 | HIGH | low | HIGH | low | |
| 2 | 184054 | 2002-04-22 | 93 | - | - | 8.8 | 20.8 | HIGH | low | low | low | |
| 2 | 184054 | 2002-04-29 | 1100 | - | - | 8.4 | 21.2 | HIGH | low | HIGH | Med | |
| 3 | 184055 [2-month plot]
 Orange River at Intake of Upington Water Works  | 
 
 | 
2002-03-04 | - | 240 | - | 8.4 | 22.6 | HIGH | low | Med | low | 
| 3 | 184055 | 2002-03-13 | - | 1100 | - | 8.5 | 22.4 | HIGH | low | HIGH | Med | |
| 3 | 184055 | 2002-03-18 | 460 | - | - | 8.5 | 24.6 | HIGH | low | HIGH | low | |
| 3 | 184055 | 2002-03-25 | 150 | - | - | 8.8 | 21.6 | HIGH | low | low | low | |
| 3 | 184055 | 2002-04-02 | 460 | - | - | 8.5 | 21.3 | HIGH | low | HIGH | low | |
| 3 | 184055 | 2002-04-08 | 93 | - | - | 8.2 | 21.9 | HIGH | low | low | low | |
| 3 | 184055 | 2002-04-22 | 93 | - | - | 8.6 | 21.2 | HIGH | low | low | low | |
| 3 | 184055 | 2002-04-29 | 1100 | - | - | 8.3 | 21.6 | HIGH | low | HIGH | Med | |
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