| № | 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  | 
 
 | 
2008-05-12 | 276 | - | - | 8.7 | 20.2 | HIGH | low | Med | low | 
| 1 | 184050 | 2008-05-19 | 20 | - | - | 8.6 | 19.5 | HIGH | low | low | low | |
| 1 | 184050 | 2008-05-26 | 110 | - | - | 8.8 | 15.2 | HIGH | low | low | low | |
| 1 | 184050 | 2008-06-09 | 8 | - | - | 8.7 | 13.6 | Med | low | low | low | |
| 1 | 184050 | 2008-06-16 | 50 | - | - | 8.7 | 13.3 | HIGH | low | low | low | |
| 1 | 184050 | 2008-06-23 | 10 | - | - | 8.6 | 13.2 | HIGH | low | low | low | |
| 1 | 184050 | 2008-06-30 | 20 | - | - | 8.8 | 12.4 | HIGH | low | low | low | |
| 2 | 184054 [2-month plot]
 Abstraction Point at Upington Canal at DWAF Office  | 
 
 | 
2008-05-12 | 13 | - | - | 8.6 | 20.8 | HIGH | low | low | low | 
| 2 | 184054 | 2008-05-19 | 16 | - | - | 8.7 | 18.7 | HIGH | low | low | low | |
| 2 | 184054 | 2008-06-09 | 20 | - | - | 8.7 | 12.7 | HIGH | low | low | low | |
| 2 | 184054 | 2008-06-16 | 13 | - | - | 8.6 | 13.6 | HIGH | low | low | low | |
| 2 | 184054 | 2008-06-23 | 28 | - | - | 8.6 | 13.0 | HIGH | low | low | low | |
| 2 | 184054 | 2008-06-30 | 23 | - | - | 8.8 | 12.6 | HIGH | low | low | low | |
| 3 | 184055 [2-month plot]
 Orange River at Intake of Upington Water Works  | 
 
 | 
2008-05-05 | 25 | - | - | 8.5 | 19.6 | HIGH | low | low | low | 
| 3 | 184055 | 2008-05-12 | 24 | - | - | 8.6 | 20.5 | HIGH | low | low | low | |
| 3 | 184055 | 2008-05-19 | 24 | - | - | 8.6 | 18.5 | HIGH | low | low | low | |
| 3 | 184055 | 2008-05-26 | 69 | - | - | 8.7 | 15.2 | HIGH | low | low | low | |
| 3 | 184055 | 2008-06-02 | 28 | - | - | 8.7 | 15.1 | HIGH | low | low | low | |
| 3 | 184055 | 2008-06-09 | 17 | - | - | 8.7 | 12.4 | HIGH | low | low | low | |
| 3 | 184055 | 2008-06-16 | 28 | - | - | 8.6 | 13.6 | HIGH | low | low | low | |
| 3 | 184055 | 2008-06-23 | 67 | - | - | 8.5 | 12.6 | HIGH | low | low | low | |
| 3 | 184055 | 2008-06-30 | 28 | - | - | 8.7 | 11.9 | HIGH | low | low | low | |
| 4 | 188477 [2-month plot]
 Groblershoop on Boegoeberg Canal on Left Bank (South)  | 
 
 | 
2008-05-05 | 2 | - | - | 8.8 | 14.1 | Med | low | low | low | 
| 4 | 188477 | 2008-05-26 | 44 | - | - | 8.6 | 17.8 | HIGH | low | low | low | |
| 4 | 188477 | 2008-06-02 | 2 | - | - | 8.7 | 16.2 | Med | low | low | low | |
| 4 | 188477 | 2008-06-09 | 12 | - | - | 8.7 | 16.7 | HIGH | low | low | low | |
| 4 | 188477 | 2008-06-30 | 2 | - | - | 8.7 | 14.3 | Med | low | low | low | |
| 5 | 188479 [2-month plot]
 Gariep on Gariep Right (North) Bank Canal  | 
 
 | 
2008-05-05 | 2 | - | - | 8.9 | 19.0 | Med | low | low | low | 
| 5 | 188479 | 2008-05-26 | 5 | - | - | 8.6 | 18.0 | Med | low | low | low | |
| 5 | 188479 | 2008-06-02 | 2 | - | - | 8.7 | 15.8 | Med | low | low | low | |
| 5 | 188479 | 2008-06-09 | 3 | - | - | 8.7 | 16.1 | Med | low | low | low | |
| 5 | 188479 | 2008-06-30 | 2 | - | - | 8.7 | 14.6 | Med | low | low | low | |
| 6 | 188481 [2-month plot]
 Keimoes on Keimoes Right (North) Bank Canal  | 
 
 | 
2008-05-05 | 78 | - | - | 8.6 | 19.2 | HIGH | low | low | low | 
| 6 | 188481 | 2008-05-19 | 649 | - | - | 8.4 | 19.4 | HIGH | low | HIGH | low | |
| 6 | 188481 | 2008-05-26 | 93 | - | - | 8.4 | 15.8 | HIGH | low | low | low | |
| 6 | 188481 | 2008-06-02 | 40 | - | - | 8.5 | 15.0 | HIGH | low | low | low | |
| 6 | 188481 | 2008-06-09 | 62 | - | - | 8.5 | 13.8 | HIGH | low | low | low | |
| 6 | 188481 | 2008-06-16 | 31 | - | - | 8.5 | 13.3 | HIGH | low | low | low | |
| 6 | 188481 | 2008-06-23 | 23 | - | - | 8.6 | 13.1 | HIGH | low | low | low | |
| 6 | 188481 | 2008-06-30 | 54 | - | - | 8.6 | 12.3 | HIGH | low | low | low | |
| 7 | 188482 [2-month plot]
 Kakamas on Southern Bank Canal (Left) at Kakamas  | 
 
 | 
2008-05-05 | 11 | - | - | 8.6 | 20.2 | HIGH | low | low | low | 
| 7 | 188482 | 2008-05-26 | 25 | - | - | 8.5 | 17.3 | HIGH | low | low | low | |
| 7 | 188482 | 2008-06-02 | 16 | - | - | 8.6 | 15.6 | HIGH | low | low | low | |
| 7 | 188482 | 2008-06-09 | 3 | - | - | 8.8 | 15.3 | Med | low | low | low | |
| 7 | 188482 | 2008-06-16 | 8 | - | - | 8.7 | 14.2 | Med | low | low | low | |
![]()  | 
![]()  |