| № | Site [ view Gouritz 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 | 102267 [2-month plot]
 Lower Lang Vlei at Glentyre at Boat Slipway West Shore  | 
 
 | 
2011-05-16 | 4 | - | - | 6.5 | - | Med | low | low | low | 
| 1 | 102267 | 2011-05-30 | 35 | - | - | - | - | HIGH | low | low | low | |
| 1 | 102267 | 2011-06-27 | 16 | - | - | - | - | HIGH | low | low | low | |
| 2 | 189533 [2-month plot]
 Oudtshoorn at Low Water Bridge Next to ATKV Theater on Grobbelaars  | 
 
 | 
2011-05-03 | 6131 | - | - | 7.5 | - | HIGH | Med | HIGH | HIGH | 
| 2 | 189533 | 2011-05-16 | 157 | - | - | 7.5 | - | HIGH | low | low | low | |
| 2 | 189533 | 2011-05-30 | 461 | - | - | 6.0 | - | HIGH | low | HIGH | low | |
| 2 | 189533 | 2011-06-14 | 548 | - | - | 8.4 | - | HIGH | low | HIGH | low | |
| 2 | 189533 | 2011-06-27 | 1986 | - | - | - | - | HIGH | low | HIGH | Med | |
| 3 | 189534 [2-month plot]
 - Gwayang D/S of STW at Causeway on Gwaingrivier  | 
 
 | 
2011-05-03 | 24200 | - | - | 6.0 | - | HIGH | HIGH | HIGH | HIGH | 
| 3 | 189534 | 2011-05-16 | 2420 | - | - | 5.0 | - | HIGH | Med | HIGH | Med | |
| 3 | 189534 | 2011-06-27 | 2420 | - | - | - | - | HIGH | Med | HIGH | Med | |
| 4 | 189536 [2-month plot]
 Leeukloof at Low Water Bridge on Paardekoprivier  | 
 
 | 
2011-05-12 | 38 | - | - | - | - | HIGH | low | low | low | 
| 4 | 189536 | 2011-05-23 | 6 | - | - | 6.0 | - | Med | low | low | low | |
| 4 | 189536 | 2011-06-29 | 31 | - | - | - | - | HIGH | low | low | low | |
| 5 | 190521 [2-month plot]
 Onverwacht 143 at Bridge on George Road (R62) on Olifants River  | 
 
 | 
2011-05-03 | 64 | - | - | 5.0 | - | HIGH | low | low | low | 
| 5 | 190521 | 2011-05-16 | 43 | - | - | 7.5 | - | HIGH | low | low | low | |
| 5 | 190521 | 2011-06-14 | 161 | - | - | 8.0 | - | HIGH | low | low | low | |
| 5 | 190521 | 2011-06-27 | 291 | - | - | - | - | HIGH | low | Med | low | |
| 6 | 190523 [2-month plot]
 Eastford South at Knysna/Sedgefield Road (N2) on Soutrivier Mouth  | 
 
 | 
2011-05-23 | 411 | - | - | 6.0 | - | HIGH | low | HIGH | low | 
| 6 | 190523 | 2011-06-06 | 189 | - | - | - | - | HIGH | low | low | low | |
| 6 | 190523 | 2011-06-23 | 0 | - | - | - | - | low | low | low | low | |
| 7 | 190524 [2-month plot]
 - Eastbrook 183 at Road Bridge on Karatararivier  | 
 
 | 
2011-06-22 | 17 | - | - | - | - | HIGH | low | low | low | 
| 8 | 190525 [2-month plot]
 Sand Kraal 197 at Pacaltsdorp on Skaapkoprivier  | 
 
 | 
2011-05-03 | 24200 | - | - | 5.0 | - | HIGH | HIGH | HIGH | HIGH | 
| 8 | 190525 | 2011-05-16 | 15531 | - | - | 6.5 | - | HIGH | Med | HIGH | HIGH | |
| 8 | 190525 | 2011-06-27 | 96 | - | - | - | - | HIGH | low | low | low | |
| 9 | 190526 [2-month plot]
 - Heidelberg - D/S WWTW on Duiwenhoksrivier  | 
 
 | 
2011-05-30 | 411 | - | - | - | - | HIGH | low | HIGH | low | 
| 9 | 190526 | 2011-06-27 | 488 | - | - | - | - | HIGH | low | HIGH | low | |
| 10 | 190527 [2-month plot]
 Soetmelksfontein 529 near Riversdale 300M from Brakrivier Confluence on Goukou  | 
 
 | 
2011-05-30 | 387 | - | - | - | - | HIGH | low | Med | low | 
| 10 | 190527 | 2011-06-27 | 687 | - | - | - | - | HIGH | low | HIGH | low | |
| 11 | 190529 [2-month plot]
 - Oudtshoorn - Onverwacht 143 Directly After Oudtshoorn WWTW Discharge Point on Olifants  | 
 
 | 
2011-06-14 | 14136 | - | - | 7.5 | - | HIGH | Med | HIGH | HIGH | 
| 11 | 190529 | 2011-06-27 | 120 | - | - | 8.2 | - | HIGH | low | low | low | |
| 12 | 190530 [2-month plot]
 Kraai Bosch 195 1KM from Ballotsbaai downstream of Confluence on Meulriver  | 
 
 | 
2011-05-03 | 24200 | - | - | 6.0 | - | HIGH | HIGH | HIGH | HIGH | 
| 12 | 190530 | 2011-05-16 | 1046 | - | - | 6.5 | - | HIGH | low | HIGH | Med | |
| 12 | 190530 | 2011-05-30 | 1986 | - | - | - | - | HIGH | low | HIGH | Med | |
| 12 | 190530 | 2011-06-27 | 2420 | - | - | - | - | HIGH | Med | HIGH | Med | |
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