| № | 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  | 
 
 | 
2013-05-06 | 0 | - | - | 7.1 | - | low | low | low | low | 
| 1 | 102267 | 2013-05-20 | 52 | - | - | - | - | HIGH | low | low | low | |
| 1 | 102267 | 2013-06-03 | 0 | - | - | 5.1 | - | low | low | low | low | |
| 1 | 102267 | 2013-06-18 | 933 | - | - | 7.4 | - | HIGH | low | HIGH | low | |
| 2 | 102305 [2-month plot]
 Piesang River (Mouth) at Plettenbergbaai  | 
 
 | 
2013-05-07 | - | 160 | - | 4.7 | - | HIGH | low | low | low | 
| 2 | 102305 | 2013-06-04 | - | 63 | - | 5.2 | - | HIGH | low | low | low | |
| 2 | 102305 | 2013-06-18 | - | 134 | - | 6.5 | - | HIGH | low | low | low | |
| 3 | 189533 [2-month plot]
 Oudtshoorn at Low Water Bridge Next to ATKV Theater on Grobbelaars  | 
 
 | 
2013-05-06 | 4106 | - | - | 7.6 | - | HIGH | Med | HIGH | HIGH | 
| 3 | 189533 | 2013-05-20 | 4352 | - | - | 6.6 | - | HIGH | Med | HIGH | HIGH | |
| 3 | 189533 | 2013-06-03 | 24196 | - | - | 6.4 | - | HIGH | HIGH | HIGH | HIGH | |
| 3 | 189533 | 2013-06-18 | 243 | - | - | 6.9 | - | HIGH | low | Med | low | |
| 4 | 189534 [2-month plot]
 - Gwayang D/S of STW at Causeway on Gwaingrivier  | 
 
 | 
2013-05-06 | 884 | - | - | 7.0 | - | HIGH | low | HIGH | low | 
| 4 | 189534 | 2013-05-20 | 934 | - | - | - | - | HIGH | low | HIGH | low | |
| 4 | 189534 | 2013-06-03 | 650 | - | - | 5.8 | - | HIGH | low | HIGH | low | |
| 4 | 189534 | 2013-06-18 | 1012 | - | - | 7.1 | - | HIGH | low | HIGH | Med | |
| 5 | 189536 [2-month plot]
 Leeukloof at Low Water Bridge on Paardekoprivier  | 
 
 | 
2013-05-07 | 52 | - | - | 6.1 | - | HIGH | low | low | low | 
| 5 | 189536 | 2013-05-20 | 20 | - | - | - | - | HIGH | low | low | low | |
| 5 | 189536 | 2013-06-04 | 0 | - | - | 4.6 | - | low | low | low | low | |
| 5 | 189536 | 2013-06-18 | 0 | - | - | 7.2 | - | low | low | low | low | |
| 6 | 190521 [2-month plot]
 Onverwacht 143 at Bridge on George Road (R62) on Olifants River  | 
 
 | 
2013-05-06 | 645 | - | - | 7.6 | - | HIGH | low | HIGH | low | 
| 6 | 190521 | 2013-05-20 | 169 | - | - | 6.8 | - | HIGH | low | low | low | |
| 6 | 190521 | 2013-06-03 | 2098 | - | - | 6.4 | - | HIGH | Med | HIGH | Med | |
| 6 | 190521 | 2013-06-18 | 108 | - | - | 7.5 | - | HIGH | low | low | low | |
| 7 | 190523 [2-month plot]
 Eastford South at Knysna/Sedgefield Road (N2) on Soutrivier Mouth  | 
 
 | 
2013-05-20 | 0 | - | - | 6.1 | - | low | low | low | low | 
| 7 | 190523 | 2013-06-04 | 122 | - | - | 5.4 | - | HIGH | low | low | low | |
| 7 | 190523 | 2013-06-18 | 20 | - | - | 7.3 | - | HIGH | low | low | low | |
| 8 | 190524 [2-month plot]
 - Eastbrook 183 at Road Bridge on Karatararivier  | 
 
 | 
2013-05-07 | 399 | - | - | 5.4 | - | HIGH | low | Med | low | 
| 8 | 190524 | 2013-05-21 | 52 | - | - | - | - | HIGH | low | low | low | |
| 8 | 190524 | 2013-06-04 | 85 | - | - | 4.6 | - | HIGH | low | low | low | |
| 8 | 190524 | 2013-06-26 | 4 | - | - | 5.8 | - | Med | low | low | low | |
| 9 | 190525 [2-month plot]
 Sand Kraal 197 at Pacaltsdorp on Skaapkoprivier  | 
 
 | 
2013-05-06 | 884 | - | - | 7.4 | - | HIGH | low | HIGH | low | 
| 9 | 190525 | 2013-05-20 | 15531 | - | - | 6.7 | - | HIGH | Med | HIGH | HIGH | |
| 9 | 190525 | 2013-06-03 | 431 | - | - | 6.2 | - | HIGH | low | HIGH | low | |
| 9 | 190525 | 2013-06-18 | 0 | - | - | 7.0 | - | low | low | low | low | |
| 10 | 190526 [2-month plot]
 - Heidelberg - D/S WWTW on Duiwenhoksrivier  | 
 
 | 
2013-05-06 | 537 | - | - | 7.2 | - | HIGH | low | HIGH | low | 
| 10 | 190526 | 2013-05-20 | 345 | - | - | 6.4 | - | HIGH | low | Med | low | |
| 10 | 190526 | 2013-06-18 | 262 | - | - | 5.5 | - | HIGH | low | Med | low | |
| 11 | 190527 [2-month plot]
 Soetmelksfontein 529 near Riversdale 300M from Brakrivier Confluence on Goukou  | 
 
 | 
2013-05-06 | 305 | - | - | 7.4 | - | HIGH | low | Med | low | 
| 11 | 190527 | 2013-05-20 | 813 | - | - | 6.5 | - | HIGH | low | HIGH | low | |
| 11 | 190527 | 2013-06-18 | 156 | - | - | 5.3 | - | HIGH | low | low | low | |
| 12 | 190529 [2-month plot]
 - Oudtshoorn - Onverwacht 143 Directly After Oudtshoorn WWTW Discharge Point on Olifants  | 
 
 | 
2013-05-06 | 24196 | - | - | 7.1 | - | HIGH | HIGH | HIGH | HIGH | 
| 12 | 190529 | 2013-05-20 | 104620 | - | - | - | - | HIGH | HIGH | HIGH | HIGH | |
| 12 | 190529 | 2013-06-03 | 708 | - | - | 6.2 | - | HIGH | low | HIGH | low | |
| 12 | 190529 | 2013-06-18 | 5475 | - | - | 7.4 | - | HIGH | Med | HIGH | HIGH | |
| 13 | 190530 [2-month plot]
 Kraai Bosch 195 1KM from Ballotsbaai downstream of Confluence on Meulriver  | 
 
 | 
2013-05-06 | 10462 | - | - | 7.3 | - | HIGH | Med | HIGH | HIGH | 
| 13 | 190530 | 2013-05-20 | 6867 | - | - | 7.0 | - | HIGH | Med | HIGH | HIGH | |
| 13 | 190530 | 2013-06-03 | 8664 | - | - | 6.2 | - | HIGH | Med | HIGH | HIGH | |
| 13 | 190530 | 2013-06-18 | 19863 | - | - | 6.9 | - | HIGH | Med | HIGH | HIGH | |
| 14 | 193390 [2-month plot]
 - Oudtshoorn on Low Bridge Over Olifants River U/S WWTW  | 
 
 | 
2013-05-09 | 504 | - | - | 8.0 | - | HIGH | low | HIGH | low | 
| 14 | 193390 | 2013-06-06 | 12 | - | - | 7.7 | - | HIGH | low | low | low | |
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