Located in Sacramento, California, Wagner & Bonsignore has extensive experience in the field of general civil engineering and consulting services related to water resources management, water rights analysis, and flood management. The firm’s area of expertise includes regulatory permit administration, hydrologic studies, groundwater and surface water adjudications, water right acquisition and defense, design of water storage and conveyance facilities, levee design and maintenance, and litigation support.

Wagner & Bonsignore was established in 1998 and is the successor to the firm of James C. Hanson, Consulting Civil Engineer, established in 1971.