Lien, P.E., D.WRE

Senior Vice President, Director of Water
United States

Chin has over 35 years of management and engineering experience from both public and private sectors. He leads the firm’s technical resources in the planning, design and management for drinking water supplies, water/wastewater treatment and reuse, watershed and storm water management, ecosystem/natural stream restoration, complex H&H modeling, and water control structures to clients nationwide. His professional experience includes: environmental resources assessment, watershed management planning, NPDES/TMDL program support, storm water management and water quality BMPs, green infrastructures, LID, fluvial geomorphology, river and stream restoration, bio-engineering, wetlands creation, bridge and highway hydraulics, scour analysis, shoreline protection, coastal engineering, waterway dredging, waterway computer modeling, as well as water and wastewater conveyance system. Chin has managed over 250 major water resource projects, many of them comprehensively from planning to construction completion.

Chin has published numerous technical papers related to stormwater quality and water resources engineering in national technical journals, magazines and conference proceedings. He was the principal investigator and co-author of the TRB NCHRP 25-25 (35) report titled “Water Quality Analyses for NEPA Documents.” He currently is leading another NCHRP research in the subject area of storm water quality monitoring protocols and procedures
Before joining WSP, Chin served as Chief of Waterway Capital Improvement Program, a multi-million dollars CIP, for Baltimore County, Maryland. Under Chin’s leadership, this innovative CIP program received twice the National County Association award.

Chin is a registered professional engineer in Maryland, North Carolina, Connecticut and Hawaii and a Diplomate of Water Resources Engineer from the American Academy of Water Resources Engineers. Additionally, he is a member of American Society of Civil Engineers, Water Environment Federation and the National Association of Clean Water Agencies. Chin received an M.S. degree in Civil Engineering from Rensselaer Polytechnic Institute, M.S. degree in Computer Science and a B.S. in Bio-environmental Systems Engineering.

To contact Chin Lien, please email