Press release content from Business Wire. The AP news staff was not involved in its creation. GZA Acquires Leading Water-Quality Solutions Provider Ecosystem Consulting Service (ECS) April 12, 2021 GMT NORWOOD, Mass. & COVENTRY, Conn.--(BUSINESS WIRE)--Apr 12, 2021-- GZA GeoEnvironmental Inc. (GZA), a leading multi-disciplinary firm providing geotechnical, environmental, ecological, water, and construction management services, has acquired Ecosystem Consulting Service (ECS), a leader in nature-based water-quality management solutions for drinking water supplies and recreational lakes and ponds. ADVERTISEMENT ECS President Dr. Robert W. Kortmann will become a Senior Consultant at GZA, and ECS will initially operate from its current Coventry, Connecticut location as a division of GZA.