| № | 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  | 
 
 | 
2021-05-11 | 1200 | 4000 | - | 6.5 | - | HIGH | low | HIGH | Med | 
| 1 | 188148 | 2021-06-09 | 210 | 520 | - | 6.0 | - | HIGH | low | Med | low | |
| 2 | 190407 [2-month plot]
 ODMC003- Lutzville at Low Water Bridge on Olifantsrivier  | 
 
 | 
2021-05-18 | 540 | 860 | - | 7.8 | - | HIGH | low | HIGH | low | 
| 2 | 190407 | 2021-06-07 | 240 | 380 | - | 7.9 | - | HIGH | low | Med | low | |
![]()  | 
![]()  |