| № | 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  | 
 
 | 
2011-01-17 | 13 | - | - | 5.0 | - | HIGH | low | low | low | 
| 1 | 102267 | 2011-01-31 | 62 | - | - | 7.0 | - | HIGH | low | low | low | |
| 1 | 102267 | 2011-02-14 | 130 | - | - | 6.5 | - | HIGH | low | low | low | |
| 1 | 102267 | 2011-02-28 | 82 | - | - | 7.0 | - | HIGH | low | low | low | |
| 2 | 189533 [2-month plot]
 Oudtshoorn at Low Water Bridge Next to ATKV Theater on Grobbelaars  | 
 
 | 
2011-01-17 | 108 | - | - | 5.0 | - | HIGH | low | low | low | 
| 2 | 189533 | 2011-01-31 | 113 | - | - | 6.5 | - | HIGH | low | low | low | |
| 2 | 189533 | 2011-02-14 | 2420 | - | - | 6.5 | - | HIGH | Med | HIGH | Med | |
| 2 | 189533 | 2011-02-28 | 261 | - | - | 5.0 | - | HIGH | low | Med | low | |
| 3 | 189534 [2-month plot]
 - Gwayang D/S of STW at Causeway on Gwaingrivier  | 
 
 | 
2011-01-03 | 2420 | - | - | 5.0 | - | HIGH | Med | HIGH | Med | 
| 3 | 189534 | 2011-01-17 | 770 | - | - | 5.0 | - | HIGH | low | HIGH | low | |
| 3 | 189534 | 2011-01-31 | 17329 | - | - | 7.0 | - | HIGH | Med | HIGH | HIGH | |
| 3 | 189534 | 2011-02-17 | 5172 | - | - | 6.0 | - | HIGH | Med | HIGH | HIGH | |
| 3 | 189534 | 2011-02-28 | 3448 | - | - | 6.0 | - | HIGH | Med | HIGH | Med | |
| 4 | 189536 [2-month plot]
 Leeukloof at Low Water Bridge on Paardekoprivier  | 
 
 | 
2011-01-03 | 76 | - | - | 5.0 | - | HIGH | low | low | low | 
| 4 | 189536 | 2011-01-17 | 225 | - | - | 5.0 | - | HIGH | low | Med | low | |
| 4 | 189536 | 2011-02-01 | 81 | - | - | 5.0 | - | HIGH | low | low | low | |
| 4 | 189536 | 2011-02-16 | 98 | - | - | 5.0 | - | HIGH | low | low | low | |
| 4 | 189536 | 2011-02-28 | 21 | - | - | 5.0 | - | HIGH | low | low | low | |
| 5 | 190523 [2-month plot]
 Eastford South at Knysna/Sedgefield Road (N2) on Soutrivier Mouth  | 
 
 | 
2011-01-03 | 1203 | - | - | 6.5 | - | HIGH | low | HIGH | Med | 
| 5 | 190523 | 2011-01-17 | 1733 | - | - | 5.0 | - | HIGH | low | HIGH | Med | |
| 5 | 190523 | 2011-01-31 | 1553 | - | - | 5.0 | - | HIGH | low | HIGH | Med | |
| 5 | 190523 | 2011-02-14 | 1414 | - | - | 6.0 | - | HIGH | low | HIGH | Med | |
| 5 | 190523 | 2011-02-28 | 51 | - | - | 6.0 | - | HIGH | low | low | low | |
| 6 | 190524 [2-month plot]
 - Eastbrook 183 at Road Bridge on Karatararivier  | 
 
 | 
2011-01-03 | 299 | - | - | 5.0 | - | HIGH | low | Med | low | 
| 6 | 190524 | 2011-01-17 | 111 | - | - | 5.0 | - | HIGH | low | low | low | |
| 6 | 190524 | 2011-02-22 | 15 | - | - | 5.0 | - | HIGH | low | low | low | |
| 7 | 190525 [2-month plot]
 Sand Kraal 197 at Pacaltsdorp on Skaapkoprivier  | 
 
 | 
2011-01-03 | 24200 | - | - | 5.0 | - | HIGH | HIGH | HIGH | HIGH | 
| 7 | 190525 | 2011-01-17 | 24200 | - | - | 7.0 | - | HIGH | HIGH | HIGH | HIGH | |
| 7 | 190525 | 2011-01-31 | 24200 | - | - | - | - | HIGH | HIGH | HIGH | HIGH | |
| 7 | 190525 | 2011-02-17 | 24200 | - | - | 5.0 | - | HIGH | HIGH | HIGH | HIGH | |
| 7 | 190525 | 2011-02-28 | 24200 | - | - | 7.0 | - | HIGH | HIGH | HIGH | HIGH | |
| 8 | 190526 [2-month plot]
 - Heidelberg - D/S WWTW on Duiwenhoksrivier  | 
 
 | 
2011-01-03 | 1203 | - | - | 5.0 | - | HIGH | low | HIGH | Med | 
| 8 | 190526 | 2011-01-17 | 548 | - | - | 5.0 | - | HIGH | low | HIGH | low | |
| 8 | 190526 | 2011-01-31 | 488 | - | - | 5.0 | - | HIGH | low | HIGH | low | |
| 9 | 190527 [2-month plot]
 Soetmelksfontein 529 near Riversdale 300M from Brakrivier Confluence on Goukou  | 
 
 | 
2011-01-03 | 365 | - | - | 5.0 | - | HIGH | low | Med | low | 
| 9 | 190527 | 2011-01-17 | 1120 | - | - | 5.0 | - | HIGH | low | HIGH | Med | |
| 9 | 190527 | 2011-01-31 | 260 | - | - | 5.0 | - | HIGH | low | Med | low | |
| 10 | 190530 [2-month plot]
 Kraai Bosch 195 1KM from Ballotsbaai downstream of Confluence on Meulriver  | 
 
 | 
2011-01-03 | 1300 | - | - | 5.0 | - | HIGH | low | HIGH | Med | 
| 10 | 190530 | 2011-01-17 | 2613 | - | - | 7.0 | - | HIGH | Med | HIGH | Med | |
| 10 | 190530 | 2011-01-31 | 1300 | - | - | 7.0 | - | HIGH | low | HIGH | Med | |
| 10 | 190530 | 2011-02-17 | 548 | - | - | 6.5 | - | HIGH | low | HIGH | low | |
| 10 | 190530 | 2011-02-28 | 40 | - | - | 7.0 | - | HIGH | low | low | low | |
![]()  | 
![]()  |