| № | Site [ view Olifants 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 | 183879 [2-month plot]
 Downstream of Giyani Sewage Works at Irrigation Abstraction  | 
 
 | 
2021-03-24 | 4870 | - | - | 7.6 | - | HIGH | Med | HIGH | HIGH | 
| 2 | 187106 [2-month plot]
 Letaba 6 Nkowankowa Industrial Area upstream of Maribe River  | 
 
 | 
2021-03-23 | 2100 | - | - | 6.9 | - | HIGH | Med | HIGH | Med | 
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