| № | Site [ view Olifants/Doorn 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 | 188148 [2-month plot]
 JDMC002 - Clanwilliam at Road Bridge D/S of WWTW Outfall on Jan Dissels River  | 
 
 | 
2020-11-02 | 260 | 1060 | - | 6.2 | - | HIGH | low | Med | low | 
| 1 | 188148 | 2020-11-30 | 100 | 660 | - | 6.5 | - | HIGH | low | low | low | |
| 1 | 188148 | 2020-12-14 | 196 | 254 | - | 6.5 | - | HIGH | low | low | low | |
| 2 | 190407 [2-month plot]
 ODMC003- Lutzville at Low Water Bridge on Olifantsrivier  | 
 
 | 
2020-11-17 | 96 | 110 | - | 8.2 | - | HIGH | low | low | low | 
| 2 | 190407 | 2020-12-14 | 50 | 56 | - | 8.2 | - | HIGH | low | low | low | |
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