| № | 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  | 
 
 | 
2010-01-18 | 54 | - | - | 7.5 | - | HIGH | low | low | low | 
| 1 | 102267 | 2010-02-08 | 43 | - | - | 7.5 | - | HIGH | low | low | low | |
| 1 | 102267 | 2010-02-15 | 1046 | - | - | 7.5 | - | HIGH | low | HIGH | Med | |
| 2 | 189533 [2-month plot]
 Oudtshoorn at Low Water Bridge Next to ATKV Theater on Grobbelaars  | 
 
 | 
2010-01-05 | 30 | - | - | 6.0 | - | HIGH | low | low | low | 
| 2 | 189533 | 2010-01-18 | 131 | - | - | 8.5 | - | HIGH | low | low | low | |
| 2 | 189533 | 2010-02-01 | 77 | - | - | 8.0 | - | HIGH | low | low | low | |
| 2 | 189533 | 2010-02-15 | 206 | - | - | 8.0 | - | HIGH | low | Med | low | |
| 3 | 189534 [2-month plot]
 - Gwayang D/S of STW at Causeway on Gwaingrivier  | 
 
 | 
2010-01-04 | 2420 | - | - | 6.5 | - | HIGH | Med | HIGH | Med | 
| 3 | 189534 | 2010-01-18 | 2010 | - | - | 6.5 | - | HIGH | Med | HIGH | Med | |
| 3 | 189534 | 2010-02-01 | 488 | - | - | 6.5 | - | HIGH | low | HIGH | low | |
| 3 | 189534 | 2010-02-15 | 435 | - | - | 7.0 | - | HIGH | low | HIGH | low | |
| 4 | 189536 [2-month plot]
 Leeukloof at Low Water Bridge on Paardekoprivier  | 
 
 | 
2010-01-18 | 62 | - | - | 6.0 | - | HIGH | low | low | low | 
| 4 | 189536 | 2010-02-01 | 148 | - | - | 5.0 | - | HIGH | low | low | low | |
| 4 | 189536 | 2010-02-15 | 96 | - | - | 6.0 | - | HIGH | low | low | low | |
| 5 | 190521 [2-month plot]
 Onverwacht 143 at Bridge on George Road (R62) on Olifants River  | 
 
 | 
2010-01-05 | 155 | - | - | 6.0 | - | HIGH | low | low | low | 
| 5 | 190521 | 2010-01-18 | 219 | - | - | 8.0 | - | HIGH | low | Med | low | |
| 5 | 190521 | 2010-02-01 | 3450 | - | - | 8.0 | - | HIGH | Med | HIGH | Med | |
| 5 | 190521 | 2010-02-15 | 1986 | - | - | 8.0 | - | HIGH | low | HIGH | Med | |
| 6 | 190523 [2-month plot]
 Eastford South at Knysna/Sedgefield Road (N2) on Soutrivier Mouth  | 
 
 | 
2010-01-04 | 2420 | - | - | 5.0 | - | HIGH | Med | HIGH | Med | 
| 6 | 190523 | 2010-01-18 | 410 | - | - | 7.0 | - | HIGH | low | HIGH | low | |
| 6 | 190523 | 2010-02-09 | 2420 | - | - | 7.0 | - | HIGH | Med | HIGH | Med | |
| 7 | 190524 [2-month plot]
 - Eastbrook 183 at Road Bridge on Karatararivier  | 
 
 | 
2010-01-04 | 291 | - | - | 6.0 | - | HIGH | low | Med | low | 
| 7 | 190524 | 2010-01-18 | 108 | - | - | 5.0 | - | HIGH | low | low | low | |
| 7 | 190524 | 2010-02-08 | 91 | - | - | 6.0 | - | HIGH | low | low | low | |
| 7 | 190524 | 2010-02-17 | 261 | - | - | 5.0 | - | HIGH | low | Med | low | |
| 8 | 190525 [2-month plot]
 Sand Kraal 197 at Pacaltsdorp on Skaapkoprivier  | 
 
 | 
2010-01-04 | 2420 | - | - | 6.5 | - | HIGH | Med | HIGH | Med | 
| 8 | 190525 | 2010-01-18 | 24200 | - | - | 8.0 | - | HIGH | HIGH | HIGH | HIGH | |
| 8 | 190525 | 2010-02-01 | 24200 | - | - | 8.0 | - | HIGH | HIGH | HIGH | HIGH | |
| 8 | 190525 | 2010-02-15 | 24200 | - | - | 7.5 | - | HIGH | HIGH | HIGH | HIGH | |
| 9 | 190526 [2-month plot]
 - Heidelberg - D/S WWTW on Duiwenhoksrivier  | 
 
 | 
2010-01-21 | 122 | - | - | 8.0 | - | HIGH | low | low | low | 
| 10 | 190527 [2-month plot]
 Soetmelksfontein 529 near Riversdale 300M from Brakrivier Confluence on Goukou  | 
 
 | 
2010-01-21 | 7 | - | - | 7.0 | - | Med | low | low | low | 
| 11 | 190529 [2-month plot]
 - Oudtshoorn - Onverwacht 143 Directly After Oudtshoorn WWTW Discharge Point on Olifants  | 
 
 | 
2010-01-05 | 24200 | - | - | - | - | HIGH | HIGH | HIGH | HIGH | 
| 11 | 190529 | 2010-01-18 | 8160 | - | - | 8.0 | - | HIGH | Med | HIGH | HIGH | |
| 11 | 190529 | 2010-02-01 | 24200 | - | - | 8.0 | - | HIGH | HIGH | HIGH | HIGH | |
| 11 | 190529 | 2010-02-15 | 24200 | - | - | 8.0 | - | HIGH | HIGH | HIGH | HIGH | |
| 12 | 190530 [2-month plot]
 Kraai Bosch 195 1KM from Ballotsbaai downstream of Confluence on Meulriver  | 
 
 | 
2010-01-04 | 99 | - | - | 6.0 | - | HIGH | low | low | low | 
| 12 | 190530 | 2010-01-18 | 52 | - | - | 7.5 | - | HIGH | low | low | low | |
| 12 | 190530 | 2010-02-01 | 23 | - | - | 8.0 | - | HIGH | low | low | low | |
| 12 | 190530 | 2010-02-15 | 16 | - | - | 7.5 | - | HIGH | low | low | low | |
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