after performing a water quality test by filtering 500ml of the river water you
ID: 63569 • Letter: A
Question
after performing a water quality test by filtering 500ml of the river water you observe 18 cream colored colonies and 15 gold / green metallic colonies. is this water potable ? why or why not? after performing a water quality test by filtering 500ml of the river water you observe 18 cream colored colonies and 15 gold / green metallic colonies. is this water potable ? why or why not? after performing a water quality test by filtering 500ml of the river water you observe 18 cream colored colonies and 15 gold / green metallic colonies. is this water potable ? why or why not?Explanation / Answer
The water is not potable. Presence of gold/green colored colonies is an indicative of presence of coliform bacteria, which indicates potential health risk from pathogenic bacterial species.