Lewis, 56, has leveraged the Gila River tribe’s water abundance to help Arizona, making his tribe a power player in the parched region. His fingerprints are on many recent, high-stakes decisions ...

Arizona's water-rich Gila River tribe flexes its political muscles in a drying West. ... and the Gila River tribe agreed to conserve 125,000 acre-feet of water each year at the man-made reservoir.