| № | 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 | 185084 [2-month plot]
 Hartbeestspruit at Bridge D/S Brugspruit Treatment Plant Klipspruit STW + Kro Omdraai Mine on Brugspr  | 
 
 | 
2011-03-03 | 920 | - | - | 3.0 | - | HIGH | low | HIGH | low | 
| 2 | 185085 [2-month plot]
 Kwaguqa D/S Ferrobank STW U/S of Water Treatment Plant on Brugspruit T  | 
 
 | 
2011-03-03 | 488 | - | - | 5.5 | - | HIGH | low | HIGH | low | 
| 3 | 188610 [2-month plot]
 Delmas at Low Water Bridge D/S Delmas STW on Unnamed Stream from Witklip  | 
 
 | 
2011-03-08 | 2419 | - | - | 6.8 | - | HIGH | Med | HIGH | Med | 
| 4 | 188910 [2-month plot]
 Blinkwater at R555 Bridge from Steelpoort to Stofberg on Steelpoort River  | 
 
 | 
2011-03-07 | 197 | - | - | - | - | HIGH | low | low | low | 
| 4 | 188910 | 2011-03-28 | 2708 | - | - | - | - | HIGH | Med | HIGH | Med | |
| 4 | 188910 | 2011-04-12 | 194 | - | - | - | - | HIGH | low | low | low | |
| 4 | 188910 | 2011-04-28 | 462 | - | - | - | - | HIGH | low | HIGH | low | |
| 5 | 188911 [2-month plot]
 Weltevreden at Belfast Dam U/S Dam Wall on Belfast Dam  | 
 
 | 
2011-03-07 | 126 | - | - | - | - | HIGH | low | low | low | 
| 5 | 188911 | 2011-03-28 | 0 | - | - | - | - | low | low | low | low | |
| 5 | 188911 | 2011-04-12 | 0 | - | - | - | - | low | low | low | low | |
| 5 | 188911 | 2011-04-28 | 20 | - | - | - | - | HIGH | low | low | low | |
| 6 | 188912 [2-month plot]
 Spekboom River at Bridge D/S Burgersfort Sewage Works  | 
 
 | 
2011-03-07 | 734 | - | - | - | - | HIGH | low | HIGH | low | 
| 6 | 188912 | 2011-03-28 | 2356 | - | - | - | - | HIGH | Med | HIGH | Med | |
| 6 | 188912 | 2011-04-12 | 2824 | - | - | - | - | HIGH | Med | HIGH | Med | |
| 6 | 188912 | 2011-04-28 | 544 | - | - | - | - | HIGH | low | HIGH | low | |
| 7 | 188915 [2-month plot]
 Steelpoortdrift at R555 Road Bridge to Sekhukhune on Steelpoortrivier  | 
 
 | 
2011-03-07 | 486 | - | - | - | - | HIGH | low | HIGH | low | 
| 7 | 188915 | 2011-03-28 | 5435 | - | - | - | - | HIGH | Med | HIGH | HIGH | |
| 7 | 188915 | 2011-04-12 | 1096 | - | - | - | - | HIGH | low | HIGH | Med | |
| 7 | 188915 | 2011-04-28 | 798 | - | - | - | - | HIGH | low | HIGH | low | |
| 8 | 1000009854 [2-month plot]
 Witpoort River at R555 Bridge from Steelpoort to Stoffberg  | 
 
 | 
2011-03-07 | 104 | - | - | - | - | HIGH | low | low | low | 
| 8 | 1000009854 | 2011-03-28 | 6564 | - | - | - | - | HIGH | Med | HIGH | HIGH | |
| 8 | 1000009854 | 2011-04-12 | 148 | - | - | - | - | HIGH | low | low | low | |
| 8 | 1000009854 | 2011-04-28 | 361 | - | - | - | - | HIGH | low | Med | low | |
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