1. By Youssef El-Gharabli & Annna Steinberg

2. Coliform Bacteria It is the commonly-used bacterial indicator of sanitary quality of foods and water. They are defined as rod-shaped Gram- negative non-spore forming organisms. One of the things that come up often when testing is E. Coli

3. E. Coli or Fecal Coliform = 2 Colonies Colonies per mL (CFU/mL) Water quality index 91 Total Coliform Colonies = 7 Colonies per mL (CFU/mL)

4. The indicator for water stands with maximum allowable counts is 200 FC (fecal coliforms) per 100 mL.

5. It gets into the river from… Untreated sewage Dumping Animals Droppings All in all unclean water

6. Above: Our Coliform Test Below: E Coli Bacteria Pictures of E Coli and Testing Above: Another E Coli Bacteria