Comprehensive engineering services are provided relating to the planning, design, construction, and operation of municipal and industrial water, wastewater, and hazardous material / waste storage facilities, including expansion and upgrading of existing facilities. Design planning services involve development of as-built plans, treatability and process evaluation, and feasibility and comparative cost review. Integral with the design of any structure is the detailed review and evaluations of actual and negotiated permit requirements, which are part of facility planning design. Walden corporate experience encompasses a diverse range of projects.