| № | 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 | 102305 [2-month plot]
 Piesang River (Mouth) at Plettenbergbaai  | 
 
 | 
2007-11-12 | 1733 | - | - | - | - | HIGH | low | HIGH | Med | 
| 1 | 102305 | 2007-11-26 | 816 | - | - | - | - | HIGH | low | HIGH | low | |
| 1 | 102305 | 2007-12-10 | 91 | - | - | - | - | HIGH | low | low | low | |
| 2 | 189533 [2-month plot]
 Oudtshoorn at Low Water Bridge Next to ATKV Theater on Grobbelaars  | 
 
 | 
2007-11-12 | 79 | - | - | - | - | HIGH | low | low | low | 
| 2 | 189533 | 2007-11-26 | 816 | - | - | - | - | HIGH | low | HIGH | low | |
| 2 | 189533 | 2007-12-03 | 2419 | - | - | - | - | HIGH | Med | HIGH | Med | |
| 2 | 189533 | 2007-12-18 | 2419 | - | - | - | - | HIGH | Med | HIGH | Med | |
| 3 | 189534 [2-month plot]
 - Gwayang D/S of STW at Causeway on Gwaingrivier  | 
 
 | 
2007-11-12 | 548 | - | - | - | - | HIGH | low | HIGH | low | 
| 3 | 189534 | 2007-12-18 | 2419 | - | - | - | - | HIGH | Med | HIGH | Med | |
| 4 | 189536 [2-month plot]
 Leeukloof at Low Water Bridge on Paardekoprivier  | 
 
 | 
2007-11-12 | 54 | - | - | - | - | HIGH | low | low | low | 
| 4 | 189536 | 2007-11-28 | 2419 | - | - | - | - | HIGH | Med | HIGH | Med | |
| 4 | 189536 | 2007-12-03 | 365 | - | - | - | - | HIGH | low | Med | low | |
| 4 | 189536 | 2007-12-18 | 1046 | - | - | - | - | HIGH | low | HIGH | Med | |
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