| № | 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  | 
 
 | 
2021-11-02 | 430 | 920 | - | 6.0 | - | HIGH | low | HIGH | low | 
| 1 | 188148 | 2021-11-30 | 540 | 980 | - | 6.1 | - | HIGH | low | HIGH | low | |
| 1 | 188148 | 2021-12-14 | 60 | 210 | - | 6.1 | - | HIGH | low | low | low | |
| 2 | 190407 [2-month plot]
 ODMC003- Lutzville at Low Water Bridge on Olifantsrivier  | 
 
 | 
2021-11-16 | 100 | 105 | - | 7.4 | - | HIGH | low | low | low | 
| 2 | 190407 | 2021-12-08 | 52 | 120 | - | 7.9 | - | HIGH | low | low | low | |
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