Innovating resource regimes: Water, wastewater, and the institutional dynamics of urban hydraulic reach in northwest Mexico

► Process-based, policy regionalism enhances explanation of urban hydraulic reach. ► Hydraulic reach consists of appropriation of water and irrigation use of wastewater. ► In Hermosillo, Mexico, negotiated solutions may supplant large infrastructure. ► We draw generic lessons for high-growth, water-scarce conditions globally.