| Micro-organisms | Incubation | Culture medium | Volume | Analysis method | Observations | References |
| Total coliforms | 37˚C for 24 h | Lactose agar with TTC and at the Tergito | 100 mL | Filtration technique on 0.45 μm filter membrane | Red colony | NF EN ISO 9308-3 (1999) |
| Faecal coliforms | 44˚C from 18 à 24 h | Lactose agar with TTC and at the Tergito | 100 mL | Filtration technique on 0.45 μm filter membrane | Red colony | NF EN ISO 9308-3 (1999) |
| Faecal streptococci | 37˚C/48h | Slanetz-Bartley | 100 mL | Filtration technique on 0.45 μm filter membrane | Red colony | NF ISO 7899-2 |
| Staphylococci | 37˚C 24 - 48 h | Chapman | 100 mL | Filtration technique on 0.45 μm filter membrane | Red colony | NF T90-412 |
| Clostridium | 24 - 48 h | SPS/TSN | 20 mL | Incorporation into agar | Black halo of significant size | NF T 90-415 |
| Yeasts | 5 days | Sabouraud with chloramphenicol | 100 mL | Filtration technique on 0.45 μm filter membrane |
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