- Cryptosporidium, EPA 1623
- Enteric viruses, EPA/600/R-95/178, s. VIII
- Giardia, EPA 1623
- Coliform, Total / E. coli (Qualitative) Colilert
- E. coli (Enumeration) Colilert
- Standard Plate Count SM 18-21 9215B
- Microscopic particulate analysis EPA 910/9-92-029