Quick Bacteria Water Test Kit (present/absent test only) For City or Well Water (West for East)Tests your well or city water for the presence or absence of Coliform and E. Coli Bacteria. This is a quick test for the presence or absence of Coliform and E. Coli Bacteria. The presence of Coliform is an indicator of the potential presence of other infectious disease causing organisms. If Coliform is present, then E. Coli will be tested as well which is a known disease pathogen that causes gastro intestinal distress amongst other concerns. For a