Gallery: Inventor Leif Percifield Discusses His ‘Don’t Flush Me’ Sewer ...

Percifield first thought of the idea when canoeing along the Gowanus with friends to create a map of the waterways for a Pratt project. Thought the use of a balloon camera and their own boat and oars, the group experienced particularly sewage-laden water, which spurred the idea to create an alert system to let residents know when the water is more polluted than usual.

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