Mr. Mixan provides design, engineering, and technical reporting for potable water, wastewater, and environmental remediation systems within the California Central Coast and San Francisco Bay Area regions. He is a lead water system designer and a primary engineering report author. Shawn also co-manages our small water system operations and maintenance portfolio. Additional expertise includes: (1) compost facility design & regulatory compliance; (2) site investigations, characterizations, and remedial design for contaminated sites (such as gas stations and former chemical production plants).