| № | Site [ view Crocodile (West) and Marico 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 | 90275 [2-month plot]
 Roodeplaat Dam on Pienaars River: near Dam Wall  | 
 
 | 
2020-03-09 | 1 | 0 | 17 | 7.6 | 24.3 | Med | low | low | low | 
| 1 | 90275 | 2020-03-23 | 12 | 12 | 117 | 8.1 | 23.4 | HIGH | low | low | low | |
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