The Flush Tracker Does Exactly What You'd Expect

The Flushtracker: You give it an address (it currently only works in a few locations) and it tracks the path of a flush from that location, from toilet to sewer to its final destination at a treatment facility or out in the open ocean.

The screenshot above is of a flush on its way out from 1600 Pennsylvania Avenue.

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World Toilet Day, by the way, is November 19.