Management of water supplies in the states

Many cities around the state are struggling to manage their water supplies and are trying to find ways to preserve water. One approach some cities, like El Paso, are implementing is to remove grass from public spaces and replace it with gravel and cement. They are also providing people with incentives to remove their grass yards and replace it with desert landscapes. What do you think about this approach? Do you think this should be a statewide law? Or should it be optional and up to each individual city to enact? Why?

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