| № | 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  | 
 
 | 
2002-07-01 | 9 | - | - | 9.5 | 11.9 | Med | low | low | low | 
| 1 | 184050 | 2002-07-08 | 23 | - | - | 9.0 | 12.7 | HIGH | low | low | low | |
| 1 | 184050 | 2002-07-15 | 9 | - | - | 9.3 | 13.3 | Med | low | low | low | |
| 1 | 184050 | 2002-07-22 | 9 | - | - | 9.2 | 16.1 | Med | low | low | low | |
| 1 | 184050 | 2002-07-29 | 3 | - | - | 9.2 | 14.2 | Med | low | low | low | |
| 1 | 184050 | 2002-08-05 | 43 | - | - | 9.4 | 15.3 | HIGH | low | low | low | |
| 1 | 184050 | 2002-08-12 | 460 | - | - | 9.6 | 16.2 | HIGH | low | HIGH | low | |
| 1 | 184050 | 2002-08-19 | 35 | - | - | 6.9 | 12.9 | HIGH | low | low | low | |
| 1 | 184050 | 2002-08-26 | 75 | - | - | 8.4 | 14.7 | HIGH | low | low | low | |
| 2 | 184054 [2-month plot]
 Abstraction Point at Upington Canal at DWAF Office  | 
 
 | 
2002-07-01 | 3 | - | - | 8.9 | 13.9 | Med | low | low | low | 
| 2 | 184054 | 2002-07-08 | 7 | - | - | 8.6 | 12.4 | Med | low | low | low | |
| 2 | 184054 | 2002-07-15 | 7 | - | - | 9.2 | 13.2 | Med | low | low | low | |
| 2 | 184054 | 2002-07-22 | 240 | - | - | 9.5 | 11.4 | HIGH | low | Med | low | |
| 2 | 184054 | 2002-07-29 | 9 | - | - | 9.3 | 13.1 | Med | low | low | low | |
| 2 | 184054 | 2002-08-05 | 93 | - | - | 9.2 | 11.3 | HIGH | low | low | low | |
| 2 | 184054 | 2002-08-12 | 93 | - | - | 8.9 | 17.8 | HIGH | low | low | low | |
| 2 | 184054 | 2002-08-19 | 43 | - | - | 6.9 | 12.7 | HIGH | low | low | low | |
| 2 | 184054 | 2002-08-26 | 43 | - | - | 8.0 | 15.3 | HIGH | low | low | low | |
| 3 | 184055 [2-month plot]
 Orange River at Intake of Upington Water Works  | 
 
 | 
2002-07-01 | 23 | - | - | 8.9 | 14.9 | HIGH | low | low | low | 
| 3 | 184055 | 2002-07-08 | 43 | - | - | 8.9 | 16.0 | HIGH | low | low | low | |
| 3 | 184055 | 2002-07-15 | 3 | - | - | 9.2 | 13.3 | Med | low | low | low | |
| 3 | 184055 | 2002-07-22 | 43 | - | - | 9.1 | 13.6 | HIGH | low | low | low | |
| 3 | 184055 | 2002-07-29 | 15 | - | - | 9.1 | 16.1 | HIGH | low | low | low | |
| 3 | 184055 | 2002-08-05 | 28 | - | - | 9.1 | 14.6 | HIGH | low | low | low | |
| 3 | 184055 | 2002-08-12 | 9 | - | - | 9.1 | 16.3 | Med | low | low | low | |
| 3 | 184055 | 2002-08-19 | 1100 | - | - | 8.3 | 13.3 | HIGH | low | HIGH | Med | |
| 3 | 184055 | 2002-08-26 | 43 | - | - | 8.2 | 15.6 | HIGH | low | low | low | |
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