| № | Site [ view Crocodile (West) and Marico 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 | 90234 [2-month plot]
 Roodeplaat Sewage: Settling Pond S Outflow  | 
 
 | 
1999-01-04 | 19000 | 19000 | - | 7.1 | - | HIGH | Med | HIGH | HIGH | 
| 1 | 90234 | 1999-01-11 | 1900 | 1900 | - | - | - | HIGH | low | HIGH | Med | |
| 1 | 90234 | 1999-01-18 | 1600 | 1600 | - | 7.2 | - | HIGH | low | HIGH | Med | |
| 1 | 90234 | 1999-01-25 | 28800 | 32000 | - | - | - | HIGH | HIGH | HIGH | HIGH | |
| 1 | 90234 | 1999-02-01 | 864 | 960 | - | 6.9 | - | HIGH | low | HIGH | low | |
| 1 | 90234 | 1999-02-08 | 2700 | 2700 | - | - | - | HIGH | Med | HIGH | Med | |
| 1 | 90234 | 1999-02-15 | 3100 | 3100 | - | 7.2 | - | HIGH | Med | HIGH | Med | |
| 1 | 90234 | 1999-02-22 | 7850 | 7850 | - | - | - | HIGH | Med | HIGH | HIGH | |
| 2 | 90236 [2-month plot]
 Zeekoegat Sewage Effluent  | 
 
 | 
1999-01-04 | 4900 | 4900 | - | 7.9 | - | HIGH | Med | HIGH | HIGH | 
| 2 | 90236 | 1999-01-11 | 208 | 208 | - | - | - | HIGH | low | Med | low | |
| 2 | 90236 | 1999-01-18 | 152 | 152 | - | 7.7 | - | HIGH | low | low | low | |
| 2 | 90236 | 1999-01-25 | 400 | 400 | - | - | - | HIGH | low | HIGH | low | |
| 2 | 90236 | 1999-02-01 | 288 | 320 | - | 3.0 | - | HIGH | low | Med | low | |
| 2 | 90236 | 1999-02-08 | 339 | 450 | - | - | - | HIGH | low | Med | low | |
| 2 | 90236 | 1999-02-15 | 180 | 180 | - | 7.6 | - | HIGH | low | low | low | |
| 2 | 90236 | 1999-02-22 | 410 | 410 | - | - | - | HIGH | low | HIGH | low | |
| 3 | 90237 [2-month plot]
 Baviaanspoort Sewage Effluent  | 
 
 | 
1999-01-04 | 24000 | 24000 | - | 7.8 | - | HIGH | HIGH | HIGH | HIGH | 
| 3 | 90237 | 1999-01-11 | 25200 | 28000 | - | - | - | HIGH | HIGH | HIGH | HIGH | |
| 3 | 90237 | 1999-01-18 | 44600 | 49000 | - | 7.5 | - | HIGH | HIGH | HIGH | HIGH | |
| 3 | 90237 | 1999-01-25 | 760 | 760 | - | - | - | HIGH | low | HIGH | low | |
| 3 | 90237 | 1999-02-01 | 0 | 0 | - | 6.2 | - | low | low | low | low | |
| 3 | 90237 | 1999-02-08 | 136000 | 170000 | - | - | - | HIGH | HIGH | HIGH | HIGH | |
| 3 | 90237 | 1999-02-15 | 0 | 2 | - | 7.7 | - | low | low | low | low | |
| 3 | 90237 | 1999-02-22 | 4 | 4 | - | - | - | Med | low | low | low | |
| 4 | 90238 [2-month plot]
 At Franspoort Road Bridge on Edendalspruit  | 
 
 | 
1999-01-04 | 1200 | 1200 | - | 8.4 | - | HIGH | low | HIGH | Med | 
| 4 | 90238 | 1999-01-11 | 2170 | 2400 | - | - | - | HIGH | Med | HIGH | Med | |
| 4 | 90238 | 1999-01-18 | 369 | 410 | - | 8.4 | - | HIGH | low | Med | low | |
| 4 | 90238 | 1999-01-25 | 5400 | 5400 | - | - | - | HIGH | Med | HIGH | HIGH | |
| 4 | 90238 | 1999-02-01 | 864 | 1020 | - | 8.1 | - | HIGH | low | HIGH | low | |
| 4 | 90238 | 1999-02-08 | 2080 | 2600 | - | - | - | HIGH | Med | HIGH | Med | |
| 4 | 90238 | 1999-02-15 | 410 | 410 | - | 8.4 | - | HIGH | low | HIGH | low | |
| 4 | 90238 | 1999-02-22 | 2000 | 2000 | - | - | - | HIGH | Med | HIGH | Med | |
| 5 | 90239 [2-month plot]
 Pienaars River at Baviaanspoort (Magaliesberg)  | 
 
 | 
1999-01-04 | 18000 | 20000 | - | 8.4 | - | HIGH | Med | HIGH | HIGH | 
| 5 | 90239 | 1999-01-11 | 833 | 1190 | - | - | - | HIGH | low | HIGH | low | |
| 5 | 90239 | 1999-01-18 | 1733 | 2600 | - | 8.4 | - | HIGH | low | HIGH | Med | |
| 5 | 90239 | 1999-01-25 | 51550 | 64500 | - | - | - | HIGH | HIGH | HIGH | HIGH | |
| 5 | 90239 | 1999-02-01 | 225000 | 250000 | - | 7.8 | - | HIGH | HIGH | HIGH | HIGH | |
| 5 | 90239 | 1999-02-08 | 59200 | 74000 | - | - | - | HIGH | HIGH | HIGH | HIGH | |
| 5 | 90239 | 1999-02-15 | 1306 | 1380 | - | 8.3 | - | HIGH | low | HIGH | Med | |
| 5 | 90239 | 1999-02-22 | 3780 | 4200 | - | - | - | HIGH | Med | HIGH | Med | |
| 6 | 90275 [2-month plot]
 Roodeplaat Dam on Pienaars River: near Dam Wall  | 
 
 | 
1999-01-04 | 0 | 0 | - | 7.6 | - | low | low | low | low | 
| 6 | 90275 | 1999-01-11 | 0 | 0 | - | - | - | low | low | low | low | |
| 6 | 90275 | 1999-01-18 | 0 | 0 | - | 8.4 | - | low | low | low | low | |
| 6 | 90275 | 1999-01-25 | 0 | 0 | - | - | - | low | low | low | low | |
| 6 | 90275 | 1999-02-01 | 0 | 0 | - | 9.6 | - | low | low | low | low | |
| 6 | 90275 | 1999-02-08 | 0 | 1 | - | - | - | low | low | low | low | |
| 6 | 90275 | 1999-02-17 | 0 | 0 | - | 9.6 | - | low | low | low | low | |
| 6 | 90275 | 1999-02-22 | 2 | 2 | - | - | - | Med | low | low | low | |
| 7 | 90276 [2-month plot]
 Roodeplaat Dam on Pienaars River: Point in Dam  | 
 
 | 
1999-01-04 | 0 | 0 | - | 9.2 | - | low | low | low | low | 
| 7 | 90276 | 1999-01-11 | 0 | 0 | - | - | - | low | low | low | low | |
| 7 | 90276 | 1999-01-18 | 0 | 0 | - | 9.5 | - | low | low | low | low | |
| 7 | 90276 | 1999-01-25 | 0 | 0 | - | - | - | low | low | low | low | |
| 7 | 90276 | 1999-02-01 | 0 | 0 | - | 9.7 | - | low | low | low | low | |
| 7 | 90276 | 1999-02-08 | 0 | 0 | - | - | - | low | low | low | low | |
| 7 | 90276 | 1999-02-17 | 0 | 0 | - | 9.8 | - | low | low | low | low | |
| 7 | 90276 | 1999-02-22 | 0 | 0 | - | - | - | low | low | low | low | |
| 8 | 90281 [2-month plot]
 Roodeplaat Dam on Pienaars River: Point in Dam  | 
 
 | 
1999-01-04 | 0 | 0 | - | 9.2 | - | low | low | low | low | 
| 8 | 90281 | 1999-01-11 | 0 | 0 | - | - | - | low | low | low | low | |
| 8 | 90281 | 1999-01-18 | 0 | 0 | - | 8.6 | - | low | low | low | low | |
| 8 | 90281 | 1999-01-25 | 0 | 0 | - | - | - | low | low | low | low | |
| 8 | 90281 | 1999-02-01 | 0 | 0 | - | 9.4 | - | low | low | low | low | |
| 8 | 90281 | 1999-02-08 | 4 | 6 | - | - | - | Med | low | low | low | |
| 8 | 90281 | 1999-02-17 | 0 | 0 | - | 9.6 | - | low | low | low | low | |
| 8 | 90281 | 1999-02-22 | 6 | 6 | - | - | - | Med | low | low | low | |
| 9 | 90282 [2-month plot]
 Roodeplaat Dam on Pienaars River: Point in Dam  | 
 
 | 
1999-01-04 | 0 | 0 | - | 8.6 | - | low | low | low | low | 
| 9 | 90282 | 1999-01-11 | 0 | 0 | - | - | - | low | low | low | low | |
| 9 | 90282 | 1999-01-18 | 0 | 0 | - | 9.5 | - | low | low | low | low | |
| 9 | 90282 | 1999-01-25 | 0 | 0 | - | - | - | low | low | low | low | |
| 9 | 90282 | 1999-02-01 | 1 | 1 | - | 9.5 | - | Med | low | low | low | |
| 9 | 90282 | 1999-02-08 | 4 | 4 | - | - | - | Med | low | low | low | |
| 9 | 90282 | 1999-02-17 | 0 | 0 | - | 9.6 | - | low | low | low | low | |
| 9 | 90282 | 1999-02-22 | 2 | 2 | - | - | - | Med | low | low | low | |
| 10 | 90283 [2-month plot]
 Roodeplaat Dam on Pienaars River: Point in Dam  | 
 
 | 
1999-01-04 | 0 | 0 | - | 9.4 | - | low | low | low | low | 
| 10 | 90283 | 1999-01-11 | 0 | 0 | - | - | - | low | low | low | low | |
| 10 | 90283 | 1999-01-18 | 0 | 0 | - | 9.6 | - | low | low | low | low | |
| 10 | 90283 | 1999-01-25 | 0 | 0 | - | - | - | low | low | low | low | |
| 10 | 90283 | 1999-02-01 | 0 | 0 | - | 9.3 | - | low | low | low | low | |
| 10 | 90283 | 1999-02-08 | 0 | 0 | - | - | - | low | low | low | low | |
| 10 | 90283 | 1999-02-17 | 0 | 0 | - | 9.7 | - | low | low | low | low | |
| 10 | 90283 | 1999-02-22 | 0 | 0 | - | - | - | low | low | low | low | |
| 11 | 90284 [2-month plot]
 Roodeplaat Dam on Pienaars River: Point in Dam  | 
 
 | 
1999-01-04 | 0 | 0 | - | - | - | low | low | low | low | 
| 11 | 90284 | 1999-01-11 | 0 | 10 | - | - | - | low | low | low | low | |
| 11 | 90284 | 1999-01-18 | 0 | 0 | - | - | - | low | low | low | low | |
| 11 | 90284 | 1999-01-25 | 0 | 0 | - | - | - | low | low | low | low | |
| 11 | 90284 | 1999-02-01 | 0 | 0 | - | - | - | low | low | low | low | |
| 11 | 90284 | 1999-02-08 | 0 | 2 | - | - | - | low | low | low | low | |
| 11 | 90284 | 1999-02-17 | 0 | 0 | - | - | - | low | low | low | low | |
| 11 | 90284 | 1999-02-22 | 30 | 40 | - | - | - | HIGH | low | low | low | |
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