| № | 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  | 
 
 | 
2023-09-11 | 613100 | - | - | - | - | HIGH | HIGH | HIGH | HIGH | 
| 1 | 185085 | 2023-09-26 | 26660 | - | - | - | - | HIGH | HIGH | HIGH | HIGH | |
| 1 | 185085 | 2023-10-09 | 41060 | - | - | - | - | HIGH | HIGH | HIGH | HIGH | |
| 1 | 185085 | 2023-10-23 | 920800 | - | - | - | - | HIGH | HIGH | HIGH | HIGH | |
| 2 | 188538 [2-month plot]
 Naauwpoort 335 JS downstream of Naauwpoort Sewage Works on Noupoortspruit  | 
 
 | 
2023-09-11 | 48392 | - | - | - | - | HIGH | HIGH | HIGH | HIGH | 
| 2 | 188538 | 2023-09-26 | 1354 | - | - | - | - | HIGH | low | HIGH | Med | |
| 2 | 188538 | 2023-10-09 | 556 | - | - | - | - | HIGH | low | HIGH | low | |
| 2 | 188538 | 2023-10-23 | 0 | - | - | - | - | low | low | low | low | |
| 3 | 188610 [2-month plot]
 Delmas at Low Water Bridge D/S Delmas STW on Unnamed Stream from Witklip  | 
 
 | 
2023-09-11 | 113700 | - | - | - | - | HIGH | HIGH | HIGH | HIGH | 
| 3 | 188610 | 2023-09-26 | 248900 | - | - | - | - | HIGH | HIGH | HIGH | HIGH | |
| 3 | 188610 | 2023-10-09 | 1553100 | - | - | - | - | HIGH | HIGH | HIGH | HIGH | |
| 3 | 188610 | 2023-10-23 | 1986300 | - | - | - | - | HIGH | HIGH | HIGH | HIGH | |
| 4 | 188729 [2-month plot]
 Middelburg 231 IR Botleng (Leeuspruit) U/S Pump Station on Bronkhorstspruit Trib 2  | 
 
 | 
2023-09-11 | 14136000 | - | - | - | - | HIGH | HIGH | HIGH | HIGH | 
| 4 | 188729 | 2023-09-26 | 9804000 | - | - | - | - | HIGH | HIGH | HIGH | HIGH | |
| 4 | 188729 | 2023-10-09 | 19863000 | - | - | - | - | HIGH | HIGH | HIGH | HIGH | |
| 4 | 188729 | 2023-10-23 | 9208000 | - | - | - | - | HIGH | HIGH | HIGH | HIGH | |
| 5 | 188910 [2-month plot]
 Blinkwater at R555 Bridge from Steelpoort to Stofberg on Steelpoort River  | 
 
 | 
2023-09-12 | 99 | - | - | - | - | HIGH | low | low | low | 
| 5 | 188910 | 2023-09-26 | 260 | - | - | - | - | HIGH | low | Med | low | |
| 5 | 188910 | 2023-10-10 | 148 | - | - | - | - | HIGH | low | low | low | |
| 5 | 188910 | 2023-10-24 | 62 | - | - | - | - | HIGH | low | low | low | |
| 6 | 188912 [2-month plot]
 Spekboom River at Bridge D/S Burgersfort Sewage Works  | 
 
 | 
2023-09-12 | 24196 | - | - | 7.9 | - | HIGH | HIGH | HIGH | HIGH | 
| 6 | 188912 | 2023-09-26 | 160 | - | - | 7.9 | - | HIGH | low | low | low | |
| 6 | 188912 | 2023-10-10 | 631 | - | - | 8.0 | - | HIGH | low | HIGH | low | |
| 6 | 188912 | 2023-10-24 | 97 | - | - | 8.0 | - | HIGH | low | low | low | |
| 7 | 188915 [2-month plot]
 Steelpoortdrift at R555 Road Bridge to Sekhukhune on Steelpoortrivier  | 
 
 | 
2023-09-12 | 112 | - | - | - | - | HIGH | low | low | low | 
| 7 | 188915 | 2023-09-26 | 162 | - | - | - | - | HIGH | low | low | low | |
| 7 | 188915 | 2023-10-10 | 497 | - | - | - | - | HIGH | low | HIGH | low | |
| 7 | 188915 | 2023-10-24 | 160 | - | - | - | - | HIGH | low | low | low | |
| 8 | 1000009854 [2-month plot]
 Witpoort River at R555 Bridge from Steelpoort to Stoffberg  | 
 
 | 
2023-09-12 | 184 | - | - | 7.8 | - | HIGH | low | low | low | 
| 8 | 1000009854 | 2023-09-26 | 115 | - | - | - | - | HIGH | low | low | low | |
| 8 | 1000009854 | 2023-10-10 | 166 | - | - | 7.9 | - | HIGH | low | low | low | |
| 8 | 1000009854 | 2023-10-24 | 64 | - | - | 7.8 | - | HIGH | low | low | low | |
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