| № | 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  | 
 
 | 
1997-01-13 | 28000 | 28000 | - | - | - | HIGH | HIGH | HIGH | HIGH | 
| 1 | 90234 | 1997-01-20 | 83700 | 93000 | - | 7.4 | - | HIGH | HIGH | HIGH | HIGH | |
| 1 | 90234 | 1997-01-27 | 22000 | 22000 | - | - | - | HIGH | HIGH | HIGH | HIGH | |
| 1 | 90234 | 1997-02-03 | 21000 | 21000 | - | 7.6 | - | HIGH | HIGH | HIGH | HIGH | |
| 1 | 90234 | 1997-02-10 | 44000 | 44000 | - | - | - | HIGH | HIGH | HIGH | HIGH | |
| 1 | 90234 | 1997-02-17 | 37800 | 42000 | - | 7.4 | - | HIGH | HIGH | HIGH | HIGH | |
| 1 | 90234 | 1997-02-24 | 49000 | 49000 | - | - | - | HIGH | HIGH | HIGH | HIGH | |
| 2 | 90236 [2-month plot]
 Zeekoegat Sewage Effluent  | 
 
 | 
1997-01-13 | 64 | 64 | - | - | - | HIGH | low | low | low | 
| 2 | 90236 | 1997-01-20 | 76 | 76 | - | 8.1 | - | HIGH | low | low | low | |
| 2 | 90236 | 1997-01-27 | 900 | 900 | - | - | - | HIGH | low | HIGH | low | |
| 2 | 90236 | 1997-02-03 | 20 | 100 | - | 8.2 | - | HIGH | low | low | low | |
| 2 | 90236 | 1997-02-10 | 140 | 140 | - | - | - | HIGH | low | low | low | |
| 2 | 90236 | 1997-02-17 | 650 | 650 | - | 7.8 | - | HIGH | low | HIGH | low | |
| 2 | 90236 | 1997-02-24 | 60 | 70 | - | - | - | HIGH | low | low | low | |
| 3 | 90237 [2-month plot]
 Baviaanspoort Sewage Effluent  | 
 
 | 
1997-01-13 | 1 | 1 | - | - | - | Med | low | low | low | 
| 3 | 90237 | 1997-01-20 | 42000 | 42000 | - | 8.3 | - | HIGH | HIGH | HIGH | HIGH | |
| 3 | 90237 | 1997-01-27 | 29000 | 29000 | - | - | - | HIGH | HIGH | HIGH | HIGH | |
| 3 | 90237 | 1997-02-03 | 0 | 0 | - | 7.6 | - | low | low | low | low | |
| 3 | 90237 | 1997-02-10 | 0 | 0 | - | - | - | low | low | low | low | |
| 3 | 90237 | 1997-02-17 | 0 | 0 | - | 7.8 | - | low | low | low | low | |
| 3 | 90237 | 1997-02-24 | 110000 | 110000 | - | - | - | HIGH | HIGH | HIGH | HIGH | |
| 4 | 90238 [2-month plot]
 At Franspoort Road Bridge on Edendalspruit  | 
 
 | 
1997-01-13 | 4000 | 4000 | - | - | - | HIGH | Med | HIGH | HIGH | 
| 4 | 90238 | 1997-01-20 | 405 | 450 | - | 8.3 | - | HIGH | low | HIGH | low | |
| 4 | 90238 | 1997-01-27 | 240 | 240 | - | - | - | HIGH | low | Med | low | |
| 4 | 90238 | 1997-02-03 | 340 | 340 | - | 8.5 | - | HIGH | low | Med | low | |
| 4 | 90238 | 1997-02-10 | 290 | 290 | - | - | - | HIGH | low | Med | low | |
| 4 | 90238 | 1997-02-17 | 315 | 350 | - | 8.4 | - | HIGH | low | Med | low | |
| 4 | 90238 | 1997-02-24 | 110 | 110 | - | - | - | HIGH | low | low | low | |
| 5 | 90239 [2-month plot]
 Pienaars River at Baviaanspoort (Magaliesberg)  | 
 
 | 
1997-01-13 | 6300 | 6300 | - | - | - | HIGH | Med | HIGH | HIGH | 
| 5 | 90239 | 1997-01-20 | 2520 | 2800 | - | 8.0 | - | HIGH | Med | HIGH | Med | |
| 5 | 90239 | 1997-01-27 | 500 | 1000 | - | - | - | HIGH | low | HIGH | low | |
| 5 | 90239 | 1997-02-03 | 420 | 420 | - | 8.6 | - | HIGH | low | HIGH | low | |
| 5 | 90239 | 1997-02-10 | 3300 | 3300 | - | - | - | HIGH | Med | HIGH | Med | |
| 5 | 90239 | 1997-02-17 | 13500 | 15000 | - | 8.5 | - | HIGH | Med | HIGH | HIGH | |
| 5 | 90239 | 1997-02-24 | 4050 | 4500 | - | - | - | HIGH | Med | HIGH | HIGH | |
| 6 | 90275 [2-month plot]
 Roodeplaat Dam on Pienaars River: near Dam Wall  | 
 
 | 
1997-01-06 | 0 | 0 | - | 8.3 | 25.0 | low | low | low | low | 
| 6 | 90275 | 1997-01-13 | 46 | 46 | - | - | - | HIGH | low | low | low | |
| 6 | 90275 | 1997-01-20 | 0 | 0 | - | - | - | low | low | low | low | |
| 6 | 90275 | 1997-01-27 | 0 | 0 | - | - | - | low | low | low | low | |
| 6 | 90275 | 1997-02-03 | 0 | 0 | - | 9.6 | 22.6 | low | low | low | low | |
| 6 | 90275 | 1997-02-17 | 0 | 1 | - | - | - | low | low | low | low | |
| 6 | 90275 | 1997-02-24 | 0 | 0 | - | - | - | low | low | low | low | |
| 7 | 90276 [2-month plot]
 Roodeplaat Dam on Pienaars River: Point in Dam  | 
 
 | 
1997-01-06 | 0 | 0 | - | 9.3 | 20.2 | low | low | low | low | 
| 7 | 90276 | 1997-01-13 | 37 | 37 | - | - | - | HIGH | low | low | low | |
| 7 | 90276 | 1997-01-20 | 0 | 0 | - | - | - | low | low | low | low | |
| 7 | 90276 | 1997-01-27 | 0 | 0 | - | - | - | low | low | low | low | |
| 7 | 90276 | 1997-02-03 | 0 | 0 | - | 9.9 | 23.7 | low | low | low | low | |
| 7 | 90276 | 1997-02-17 | 0 | 0 | - | - | - | low | low | low | low | |
| 7 | 90276 | 1997-02-24 | 0 | 0 | - | - | - | low | low | low | low | |
| 8 | 90281 [2-month plot]
 Roodeplaat Dam on Pienaars River: Point in Dam  | 
 
 | 
1997-01-06 | 0 | 0 | - | 9.7 | 25.5 | low | low | low | low | 
| 8 | 90281 | 1997-01-13 | 67 | 67 | - | - | - | HIGH | low | low | low | |
| 8 | 90281 | 1997-01-20 | 0 | 0 | - | - | - | low | low | low | low | |
| 8 | 90281 | 1997-01-27 | 0 | 0 | - | - | - | low | low | low | low | |
| 8 | 90281 | 1997-02-03 | 0 | 0 | - | 9.2 | 26.2 | low | low | low | low | |
| 8 | 90281 | 1997-02-17 | 0 | 1 | - | - | - | low | low | low | low | |
| 8 | 90281 | 1997-02-24 | 0 | 0 | - | - | - | low | low | low | low | |
| 9 | 90282 [2-month plot]
 Roodeplaat Dam on Pienaars River: Point in Dam  | 
 
 | 
1997-01-06 | 0 | 0 | - | 9.6 | 26.7 | low | low | low | low | 
| 9 | 90282 | 1997-01-13 | 133 | 133 | - | - | - | HIGH | low | low | low | |
| 9 | 90282 | 1997-01-20 | 0 | 0 | - | - | - | low | low | low | low | |
| 9 | 90282 | 1997-01-27 | 1 | 2 | - | - | - | Med | low | low | low | |
| 9 | 90282 | 1997-02-03 | 0 | 1 | - | 9.5 | 25.8 | low | low | low | low | |
| 9 | 90282 | 1997-02-17 | 0 | 0 | - | - | - | low | low | low | low | |
| 9 | 90282 | 1997-02-24 | 5 | 5 | - | - | - | Med | low | low | low | |
| 10 | 90283 [2-month plot]
 Roodeplaat Dam on Pienaars River: Point in Dam  | 
 
 | 
1997-01-06 | 0 | 0 | - | 9.7 | 23.2 | low | low | low | low | 
| 10 | 90283 | 1997-01-13 | 2 | 4 | - | - | - | Med | low | low | low | |
| 10 | 90283 | 1997-01-20 | 0 | 0 | - | - | - | low | low | low | low | |
| 10 | 90283 | 1997-01-27 | 0 | 0 | - | - | - | low | low | low | low | |
| 10 | 90283 | 1997-02-03 | 0 | 0 | - | 9.9 | 26.2 | low | low | low | low | |
| 10 | 90283 | 1997-02-17 | 0 | 0 | - | - | - | low | low | low | low | |
| 10 | 90283 | 1997-02-24 | 0 | 0 | - | - | - | low | low | low | low | |
| 11 | 90284 [2-month plot]
 Roodeplaat Dam on Pienaars River: Point in Dam  | 
 
 | 
1997-01-06 | 0 | 0 | - | - | - | low | low | low | low | 
| 11 | 90284 | 1997-01-13 | 10 | 20 | - | - | - | HIGH | low | low | low | |
| 11 | 90284 | 1997-01-20 | 33 | 41 | - | - | - | HIGH | low | low | low | |
| 11 | 90284 | 1997-01-27 | 2 | 6 | - | - | - | Med | low | low | low | |
| 11 | 90284 | 1997-02-03 | 0 | 0 | - | - | - | low | low | low | low | |
| 11 | 90284 | 1997-02-17 | 120 | 200 | - | - | - | HIGH | low | low | low | |
| 11 | 90284 | 1997-02-24 | 0 | 1 | - | - | - | low | low | low | low | |
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