| № | 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 | 185085 [2-month plot]
 Kwaguqa D/S Ferrobank STW U/S of Water Treatment Plant on Brugspruit T  | 
 
 | 
2018-07-10 | 1203300 | - | 5 | 7.8 | - | HIGH | HIGH | HIGH | HIGH | 
| 2 | 188538 [2-month plot]
 Naauwpoort 335 JS downstream of Naauwpoort Sewage Works on Noupoortspruit  | 
 
 | 
2018-07-10 | 73 | - | - | - | - | HIGH | low | low | low | 
| 3 | 188610 [2-month plot]
 Delmas at Low Water Bridge D/S Delmas STW on Unnamed Stream from Witklip  | 
 
 | 
2018-07-10 | 488400 | - | - | - | - | HIGH | HIGH | HIGH | HIGH | 
| 4 | 188729 [2-month plot]
 Middelburg 231 IR Botleng (Leeuspruit) U/S Pump Station on Bronkhorstspruit Trib 2  | 
 
 | 
2018-07-10 | 92080 | - | - | - | - | HIGH | HIGH | HIGH | HIGH | 
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