M&A is a water resource consulting firm that partners with clients to address their evolving water resource challenges. With offices in Arizona, California, Nevada, and South America, we employ a talented group of professionals who specialize in hydrology, hydrogeology, geology, soil science, policy and regulatory affairs, resource economics, GIS analysis, database management, and instrumentation and monitoring. Since opening our doors in 1984, we have developed a loyal base of clients that includes mining companies, water providers, agricultural clients, power & energy suppliers, and tribal groups. They have come to expect technical innovation and a strong, practical understanding of groundwater science.