| № | 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  | 
 
 | 
2007-07-09 | 76 | - | - | - | - | HIGH | low | low | low | 
| 1 | 102305 | 2007-07-23 | 80 | - | - | - | - | HIGH | low | low | low | |
| 1 | 102305 | 2007-08-20 | 172 | - | - | - | - | HIGH | low | low | low | |
| 2 | 189533 [2-month plot]
 Oudtshoorn at Low Water Bridge Next to ATKV Theater on Grobbelaars  | 
 
 | 
2007-07-09 | 104 | - | - | - | - | HIGH | low | low | low | 
| 2 | 189533 | 2007-07-23 | 112 | - | - | - | - | HIGH | low | low | low | |
| 2 | 189533 | 2007-08-20 | 57 | - | - | - | - | HIGH | low | low | low | |
| 3 | 189534 [2-month plot]
 - Gwayang D/S of STW at Causeway on Gwaingrivier  | 
 
 | 
2007-07-09 | 2419 | - | - | - | - | HIGH | Med | HIGH | Med | 
| 4 | 189536 [2-month plot]
 Leeukloof at Low Water Bridge on Paardekoprivier  | 
 
 | 
2007-07-23 | 19 | - | - | - | - | HIGH | low | low | low | 
| 4 | 189536 | 2007-08-20 | 84 | - | - | - | - | HIGH | low | low | low | |
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