The Town of Cary, North Carolina, has found that a carefully planned water conservation program can offer real solutions to real problems. By making the most of existing water supplies, Cary's conservation efforts have helped create a “new” source of water and enabled the town to delay two future plant expansions by a total of 10 years, at a cost of $138/mil gal ($37/ML) of water saved. This paper offers an overview of Cary's long‐term water conservation program and its associated costs and benefits.
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Platt et al. (2001) studied this question.