| № | 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  | 
 
 | 
2023-07-03 | 17260 | - | - | - | - | HIGH | Med | HIGH | HIGH | 
| 1 | 185085 | 2023-07-17 | 59625 | - | - | - | - | HIGH | HIGH | HIGH | HIGH | |
| 1 | 185085 | 2023-07-31 | 5290 | - | - | - | - | HIGH | Med | HIGH | HIGH | |
| 1 | 185085 | 2023-08-14 | 61310 | - | - | - | - | HIGH | HIGH | HIGH | HIGH | |
| 1 | 185085 | 2023-08-28 | 36540 | - | - | - | - | HIGH | HIGH | HIGH | HIGH | |
| 2 | 188538 [2-month plot]
 Naauwpoort 335 JS downstream of Naauwpoort Sewage Works on Noupoortspruit  | 
 
 | 
2023-07-03 | 1486 | - | - | - | - | HIGH | low | HIGH | Med | 
| 2 | 188538 | 2023-07-17 | 1439 | - | - | - | - | HIGH | low | HIGH | Med | |
| 2 | 188538 | 2023-07-31 | 12033 | - | - | - | - | HIGH | Med | HIGH | HIGH | |
| 2 | 188538 | 2023-08-14 | 4884 | - | - | - | - | HIGH | Med | HIGH | HIGH | |
| 2 | 188538 | 2023-08-28 | 7270 | - | - | - | - | HIGH | Med | HIGH | HIGH | |
| 3 | 188610 [2-month plot]
 Delmas at Low Water Bridge D/S Delmas STW on Unnamed Stream from Witklip  | 
 
 | 
2023-07-03 | 1299700 | - | - | - | - | HIGH | HIGH | HIGH | HIGH | 
| 3 | 188610 | 2023-07-17 | 8500 | - | - | - | - | HIGH | Med | HIGH | HIGH | |
| 3 | 188610 | 2023-07-31 | 816400 | - | - | - | - | HIGH | HIGH | HIGH | HIGH | |
| 3 | 188610 | 2023-08-14 | 1986300 | - | - | - | - | HIGH | HIGH | HIGH | HIGH | |
| 3 | 188610 | 2023-08-28 | 1553100 | - | - | - | - | HIGH | HIGH | HIGH | HIGH | |
| 4 | 188729 [2-month plot]
 Middelburg 231 IR Botleng (Leeuspruit) U/S Pump Station on Bronkhorstspruit Trib 2  | 
 
 | 
2023-07-03 | 1119900 | - | - | - | - | HIGH | HIGH | HIGH | HIGH | 
| 4 | 188729 | 2023-07-17 | 19863000 | - | - | - | - | HIGH | HIGH | HIGH | HIGH | |
| 4 | 188729 | 2023-07-31 | 5475000 | - | - | - | - | HIGH | HIGH | HIGH | HIGH | |
| 4 | 188729 | 2023-08-14 | 2419600 | - | - | - | - | HIGH | HIGH | HIGH | HIGH | |
| 4 | 188729 | 2023-08-28 | 6141000 | - | - | - | - | HIGH | HIGH | HIGH | HIGH | |
| 5 | 188910 [2-month plot]
 Blinkwater at R555 Bridge from Steelpoort to Stofberg on Steelpoort River  | 
 
 | 
2023-07-04 | 20 | - | - | - | - | HIGH | low | low | low | 
| 5 | 188910 | 2023-07-18 | 10 | - | - | - | - | HIGH | low | low | low | |
| 5 | 188910 | 2023-08-01 | 23 | - | - | - | - | HIGH | low | low | low | |
| 5 | 188910 | 2023-08-15 | 37 | - | - | - | - | HIGH | low | low | low | |
| 5 | 188910 | 2023-08-29 | 23 | - | - | - | - | HIGH | low | low | low | |
| 6 | 188912 [2-month plot]
 Spekboom River at Bridge D/S Burgersfort Sewage Works  | 
 
 | 
2023-07-04 | 10502 | - | - | 8.0 | - | HIGH | Med | HIGH | HIGH | 
| 6 | 188912 | 2023-07-18 | 8704 | - | - | 8.0 | - | HIGH | Med | HIGH | HIGH | |
| 6 | 188912 | 2023-08-01 | 6488 | - | - | 7.7 | - | HIGH | Med | HIGH | HIGH | |
| 6 | 188912 | 2023-08-15 | 39726 | - | - | 8.4 | - | HIGH | HIGH | HIGH | HIGH | |
| 6 | 188912 | 2023-08-29 | 11616 | - | - | 7.9 | - | HIGH | Med | HIGH | HIGH | |
| 7 | 188915 [2-month plot]
 Steelpoortdrift at R555 Road Bridge to Sekhukhune on Steelpoortrivier  | 
 
 | 
2023-07-04 | 209 | - | - | - | - | HIGH | low | Med | low | 
| 7 | 188915 | 2023-07-18 | 51 | - | - | - | - | HIGH | low | low | low | |
| 7 | 188915 | 2023-08-01 | 152 | - | - | - | - | HIGH | low | low | low | |
| 7 | 188915 | 2023-08-15 | 65 | - | - | - | - | HIGH | low | low | low | |
| 7 | 188915 | 2023-08-29 | 49 | - | - | - | - | HIGH | low | low | low | |
| 8 | 1000009854 [2-month plot]
 Witpoort River at R555 Bridge from Steelpoort to Stoffberg  | 
 
 | 
2023-07-04 | 61 | - | - | 7.6 | - | HIGH | low | low | low | 
| 8 | 1000009854 | 2023-07-18 | 30 | - | - | 7.9 | - | HIGH | low | low | low | |
| 8 | 1000009854 | 2023-08-01 | 57 | - | - | 7.7 | - | HIGH | low | low | low | |
| 8 | 1000009854 | 2023-08-15 | 968 | - | - | 7.8 | - | HIGH | low | HIGH | low | |
| 8 | 1000009854 | 2023-08-29 | 57 | - | - | 7.9 | - | HIGH | low | low | low | |
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