| № | Site [ view Olifants/Doorn 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 | 101896 [2-month plot]
 Kromme Valley 113 Bulshoek Dam on Left Bank Canal from Bulshoek Dam  | 
 
 | 
2010-05-18 | 172 | - | - | 6.4 | - | HIGH | low | low | low | 
| 1 | 101896 | 2010-05-18 | 172 | - | - | 6.4 | - | HIGH | low | low | low | |
| 1 | 101896 | 2010-06-29 | 16 | - | - | 6.7 | - | HIGH | low | low | low | |
| 1 | 101896 | 2010-06-29 | 16 | - | - | 6.7 | - | HIGH | low | low | low | |
| 2 | 101899 [2-month plot]
 Middelpos 553 at Citrusdal on Olifants River  | 
 
 | 
2010-05-18 | 53 | - | - | 6.1 | - | HIGH | low | low | low | 
| 2 | 101899 | 2010-05-18 | 53 | - | - | 6.1 | - | HIGH | low | low | low | |
| 2 | 101899 | 2010-05-18 | 53 | - | - | 6.1 | - | HIGH | low | low | low | |
| 2 | 101899 | 2010-06-30 | 17 | - | - | 6.5 | - | HIGH | low | low | low | |
| 2 | 101899 | 2010-06-30 | 17 | - | - | 6.5 | - | HIGH | low | low | low | |
| 2 | 101899 | 2010-06-30 | 17 | - | - | 6.5 | - | HIGH | low | low | low | |
| 3 | 188148 [2-month plot]
 JDMC002 - Clanwilliam at Road Bridge D/S of WWTW Outfall on Jan Dissels River  | 
 
 | 
2010-05-18 | 299 | - | - | 5.8 | - | HIGH | low | Med | low | 
| 3 | 188148 | 2010-05-18 | 299 | - | - | 5.8 | - | HIGH | low | Med | low | |
| 3 | 188148 | 2010-06-29 | 51 | - | - | 6.0 | - | HIGH | low | low | low | |
| 3 | 188148 | 2010-06-29 | 51 | - | - | 6.0 | - | HIGH | low | low | low | |
| 4 | 190403 [2-month plot]
 Petersfield 455 at Road Bridge North of Citrusdal on Boontjiesrivier  | 
 
 | 
2010-05-18 | 54 | - | - | 6.1 | - | HIGH | low | low | low | 
| 4 | 190403 | 2010-05-18 | 54 | - | - | 6.1 | - | HIGH | low | low | low | |
| 4 | 190403 | 2010-06-30 | 77 | - | - | 6.5 | - | HIGH | low | low | low | |
| 4 | 190403 | 2010-06-30 | 77 | - | - | 6.5 | - | HIGH | low | low | low | |
| 5 | 190404 [2-month plot]
 Groot Valley 451 D/S Citrusdal and Boontjiesrivier on Olifantsrivier  | 
 
 | 
2010-05-18 | 50 | - | - | 6.5 | - | HIGH | low | low | low | 
| 5 | 190404 | 2010-05-18 | 50 | - | - | 6.5 | - | HIGH | low | low | low | |
| 5 | 190404 | 2010-06-30 | 192 | - | - | 6.5 | - | HIGH | low | low | low | |
| 5 | 190404 | 2010-06-30 | 192 | - | - | 6.5 | - | HIGH | low | low | low | |
| 6 | 190405 [2-month plot]
 Vredendal 292 on Left Bank Irrigation Canal from Bulshoek Dam  | 
 
 | 
2010-05-18 | 9 | - | - | 6.3 | - | Med | low | low | low | 
| 6 | 190405 | 2010-05-18 | 9 | - | - | 6.3 | - | Med | low | low | low | |
| 6 | 190405 | 2010-06-29 | 15 | - | - | 6.7 | - | HIGH | low | low | low | |
| 6 | 190405 | 2010-06-29 | 15 | - | - | 6.7 | - | HIGH | low | low | low | |
| 7 | 190406 [2-month plot]
 Lutzville West on Left Bank Irrigation Canal from Bulshoek Dam  | 
 
 | 
2010-05-18 | 19 | - | - | 6.9 | - | HIGH | low | low | low | 
| 7 | 190406 | 2010-05-18 | 19 | - | - | 6.9 | - | HIGH | low | low | low | |
| 7 | 190406 | 2010-06-29 | 31 | - | - | 7.0 | - | HIGH | low | low | low | |
| 7 | 190406 | 2010-06-29 | 31 | - | - | 7.0 | - | HIGH | low | low | low | |
| 8 | 190407 [2-month plot]
 ODMC003- Lutzville at Low Water Bridge on Olifantsrivier  | 
 
 | 
2010-05-17 | 272 | - | - | 6.6 | - | HIGH | low | Med | low | 
| 8 | 190407 | 2010-05-17 | 272 | - | - | 6.6 | - | HIGH | low | Med | low | |
| 8 | 190407 | 2010-06-29 | 7 | - | - | 6.8 | - | Med | low | low | low | |
| 8 | 190407 | 2010-06-29 | 59 | - | - | 6.8 | - | HIGH | low | low | low | |
| 8 | 190407 | 2010-06-29 | 59 | - | - | 6.8 | - | HIGH | low | low | low | |
| 9 | 190408 [2-month plot]
 CMNT - Jan Dissels - Jd-a - Jan Disselsrivier 270 at Boskloof Bridge on Jan Disselsrivier  | 
 
 | 
2010-05-18 | 102 | - | - | 5.3 | - | HIGH | low | low | low | 
| 9 | 190408 | 2010-05-18 | 102 | - | - | 5.3 | - | HIGH | low | low | low | |
| 9 | 190408 | 2010-06-29 | 343 | - | - | 5.3 | - | HIGH | low | Med | low | |
| 9 | 190408 | 2010-06-29 | 343 | - | - | 5.3 | - | HIGH | low | Med | low | |
| 10 | 190411 [2-month plot]
 Birdfield 306 Klawer at Cornelius Ryk on Brugkanaal from Olifantsrivier  | 
 
 | 
2010-05-18 | 32 | - | - | 6.4 | - | HIGH | low | low | low | 
| 10 | 190411 | 2010-05-18 | 32 | - | - | 6.4 | - | HIGH | low | low | low | |
| 10 | 190411 | 2010-06-29 | 18 | - | - | 6.7 | - | HIGH | low | low | low | |
| 11 | 190412 [2-month plot]
 Melkboom 384 at Distribution on Brugkanaal from Olifantsrivier Right Bank  | 
 
 | 
2010-05-17 | 40 | - | - | 6.5 | - | HIGH | low | low | low | 
| 11 | 190412 | 2010-05-17 | 40 | - | - | 6.5 | - | HIGH | low | low | low | |
| 11 | 190412 | 2010-06-29 | 13 | - | - | 6.7 | - | HIGH | low | low | low | |
| 11 | 190412 | 2010-06-29 | 13 | - | - | 6.7 | - | HIGH | low | low | low | |
| 12 | 190413 [2-month plot]
 Vredendal at Buurmanshoogte on Brugkanaal from Olifantsrivier Right BA  | 
 
 | 
2010-05-17 | 146 | - | - | 6.2 | - | HIGH | low | low | low | 
| 12 | 190413 | 2010-05-17 | 146 | - | - | 6.2 | - | HIGH | low | low | low | |
| 12 | 190413 | 2010-06-29 | 12 | - | - | 6.8 | - | HIGH | low | low | low | |
| 12 | 190413 | 2010-06-29 | 12 | - | - | 6.8 | - | HIGH | low | low | low | |
| 13 | 190414 [2-month plot]
 Lutzville at Gravel Road on Brugkanaal from Olifantsrivier  | 
 
 | 
2010-05-17 | 11 | - | - | 6.8 | - | HIGH | low | low | low | 
| 13 | 190414 | 2010-05-17 | 11 | - | - | 6.8 | - | HIGH | low | low | low | |
| 13 | 190414 | 2010-06-29 | 5 | - | - | 6.7 | - | Med | low | low | low | |
| 13 | 190414 | 2010-06-29 | 5 | - | - | 6.7 | - | Med | low | low | low | |
![]()  | 
![]()  |