| № | 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  | 
 
 | 
2024-01-18 | 1800 | - | - | 6.2 | - | HIGH | low | HIGH | Med | 
| 1 | 185084 | 2024-02-09 | 520 | - | - | - | - | HIGH | low | HIGH | low | |
| 2 | 185085 [2-month plot]
 Kwaguqa D/S Ferrobank STW U/S of Water Treatment Plant on Brugspruit T  | 
 
 | 
2024-01-15 | 81640 | - | - | - | - | HIGH | HIGH | HIGH | HIGH | 
| 2 | 185085 | 2024-01-29 | 129970 | - | - | - | - | HIGH | HIGH | HIGH | HIGH | |
| 2 | 185085 | 2024-02-12 | 39330 | - | - | - | - | HIGH | HIGH | HIGH | HIGH | |
| 2 | 185085 | 2024-02-26 | 727000 | - | - | - | - | HIGH | HIGH | HIGH | HIGH | |
| 3 | 188538 [2-month plot]
 Naauwpoort 335 JS downstream of Naauwpoort Sewage Works on Noupoortspruit  | 
 
 | 
2024-01-15 | 651 | - | - | - | - | HIGH | low | HIGH | low | 
| 3 | 188538 | 2024-01-18 | 300 | - | - | 7.5 | - | HIGH | low | Med | low | |
| 3 | 188538 | 2024-01-29 | 85 | - | - | - | - | HIGH | low | low | low | |
| 3 | 188538 | 2024-02-12 | 14136 | - | - | - | - | HIGH | Med | HIGH | HIGH | |
| 3 | 188538 | 2024-02-15 | 340 | - | - | 7.2 | - | HIGH | low | Med | low | |
| 3 | 188538 | 2024-02-26 | 673 | - | - | - | - | HIGH | low | HIGH | low | |
| 4 | 188610 [2-month plot]
 Delmas at Low Water Bridge D/S Delmas STW on Unnamed Stream from Witklip  | 
 
 | 
2024-01-15 | 63100 | - | - | - | - | HIGH | HIGH | HIGH | HIGH | 
| 4 | 188610 | 2024-01-29 | 3873000 | - | - | - | - | HIGH | HIGH | HIGH | HIGH | |
| 4 | 188610 | 2024-02-08 | 220000 | - | - | 6.8 | - | HIGH | HIGH | HIGH | HIGH | |
| 4 | 188610 | 2024-02-12 | 2419600 | - | - | - | - | HIGH | HIGH | HIGH | HIGH | |
| 4 | 188610 | 2024-02-12 | 100000 | - | - | - | - | HIGH | HIGH | HIGH | HIGH | |
| 4 | 188610 | 2024-02-26 | 770100 | - | - | - | - | HIGH | HIGH | HIGH | HIGH | |
| 5 | 188729 [2-month plot]
 Middelburg 231 IR Botleng (Leeuspruit) U/S Pump Station on Bronkhorstspruit Trib 2  | 
 
 | 
2024-01-15 | 16100 | - | - | - | - | HIGH | Med | HIGH | HIGH | 
| 5 | 188729 | 2024-01-29 | 5200 | - | - | - | - | HIGH | Med | HIGH | HIGH | |
| 5 | 188729 | 2024-02-12 | 3110 | - | - | - | - | HIGH | Med | HIGH | Med | |
| 5 | 188729 | 2024-02-26 | 2560 | - | - | - | - | HIGH | Med | HIGH | Med | |
| 6 | 188910 [2-month plot]
 Blinkwater at R555 Bridge from Steelpoort to Stofberg on Steelpoort River  | 
 
 | 
2024-01-30 | 387 | - | - | - | - | HIGH | low | Med | low | 
| 6 | 188910 | 2024-02-13 | 866 | - | - | - | - | HIGH | low | HIGH | low | |
| 6 | 188910 | 2024-02-27 | 120 | - | - | - | - | HIGH | low | low | low | |
| 7 | 188912 [2-month plot]
 Spekboom River at Bridge D/S Burgersfort Sewage Works  | 
 
 | 
2024-01-16 | 1178 | - | - | 7.8 | - | HIGH | low | HIGH | Med | 
| 7 | 188912 | 2024-01-30 | 1396 | - | - | - | - | HIGH | low | HIGH | Med | |
| 7 | 188912 | 2024-02-13 | 592 | - | - | 7.8 | - | HIGH | low | HIGH | low | |
| 7 | 188912 | 2024-02-27 | 615 | - | - | - | - | HIGH | low | HIGH | low | |
| 8 | 188915 [2-month plot]
 Steelpoortdrift at R555 Road Bridge to Sekhukhune on Steelpoortrivier  | 
 
 | 
2024-01-16 | 15 | - | - | - | - | HIGH | low | low | low | 
| 8 | 188915 | 2024-01-30 | 60 | - | - | - | - | HIGH | low | low | low | |
| 8 | 188915 | 2024-02-13 | 30 | - | - | - | - | HIGH | low | low | low | |
| 8 | 188915 | 2024-02-27 | 44 | - | - | - | - | HIGH | low | low | low | |
| 9 | 1000009854 [2-month plot]
 Witpoort River at R555 Bridge from Steelpoort to Stoffberg  | 
 
 | 
2024-01-16 | 261 | - | - | 7.4 | - | HIGH | low | Med | low | 
| 9 | 1000009854 | 2024-01-30 | 816 | - | - | - | - | HIGH | low | HIGH | low | |
| 9 | 1000009854 | 2024-02-13 | 1159 | - | - | 7.7 | - | HIGH | low | HIGH | Med | |
| 9 | 1000009854 | 2024-02-27 | 231 | - | - | - | - | HIGH | low | Med | low | |
![]()  | 
![]()  |