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Rainwater Toilets in Apartments Add Value for Developers

The 22-story apartment tower in Portland, Oregon, has a roof garden that funnels rainwater to its public toilets. Because the water isn’t treated, state law requires “Do Not Drink” warning signs.

“Just in case your dog can read,” said Dennis Wilde, chief sustainability officer for Gerding Edlen, the Portland-based builder of the development called Indigo @ Twelve|West.