![]() ![]() “You know people who bought homes in Rio Verde didn’t expect that they were so water vulnerable, so it’s probably important for us to encourage people when they are buying a home to really do their homework about what kind of water security they have with that home.” “We probably need to think about what kind of risks we think are appropriate for people buying a home in central Arizona or Arizona,” Porter told Arizona’s Family. Porter says there are water-hauling communities around the state that take advantage of municipal supplies, but the municipal supplier isn’t using Colorado River water in most of those cases. “And that’s why people that live there are so vulnerable.” “Rio Verde development occurred below the radar, below the six-home threshold that would have required the developers to prove that they have a 100-year supply of water,” Porter explained. It’s called an assured water supply designation. Cities like Scottdale have to go through even more rigorous work, proving to the Arizona Department of Water Resources it has that supply every 15 years. When six or more homes are built in our state, Porters says the development needs to prove a 100-year water supply. About two-thirds of Scottsdale’s water supply comes from the Colorado River through the Central Arizona Project, compared to about 36% in the city of Phoenix, Porter said. What makes Rio Verde different? It’s an unincorporated community adjacent to a city that uses Colorado River Water, and that supply is facing deep cuts from the federal government. She calls this an “unusual” situation and people in big Arizona cities like Phoenix don’t have to worry about their taps being turned off overnight. ![]() Sarah Porter is the director of the Kyl Center for Water Policy at Arizona State University. ![]()
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