Core Services: Storm Water and Water Quality | Wastewater Collection Systems | Construction Oversight and Management

Management Team

STACEY DEPASQUALE, P.E., BCEE, CPSWQ, President/Chief Engineer

“Our clients know we’re committed to ensuring that our staff receives the support and the encouragement they need to continue their development, in both their personal and professional lives. That’s very important to us and, obviously, to them.”

Stacey began her career with Tetra Tech (formerly Rizzo Associates) in 1992. In 1999, she founded SDE, providing technical field services out of her vehicle and home office. She has extensive experience in the design, modeling and inspection of storm water and wastewater conveyance and disposal systems. Over the years, SDE has grown in size and the types of services offered. Today Stacey supervises the company’s technical and consultative work, including stormwater design and compliance for airport upgrades. Under her direction, SDE has consistently held a standard of excellence for the benefit of society, the environment and its clients.

A native of Massachusetts, Stacey earned her Bachelor of Science and Masters of Science degrees in Civil/Environmental Engineering from Worcester Polytechnic Institute. She is a member of numerous industry committees and professional societies, including American Council of Engineering Companies, American Society of Civil Engineers, Boston Society of Civil Engineers, Water Environment Federation and New England Water Environment Association.

Her licenses and certifications in this industry are numerous. They include being a Registered Professional Engineer, Board Certified Environmental Engineer, Certified Professional in Storm Water Quality and Certified Soil Evaluator. In recent years she has expanded her geographic reach and is a Registered Professional Engineer in not only in Massachusetts but in New Hampshire, Rhode Island and New York. Stacey’s extensive experience in storm water and wastewater collection systems has won her the Golden Manhole Award.

Stacey enjoys an active lifestyle with her two boys. They can be found on the water or in the mountains on any given weekend whether skiing, hiking, boating, snowmobiling, geocaching or just plain having fun.

SYDNEY IRVING, Director of Administrative Operations

“It’s important for me to ensure our water and environment is safe and clean for my children. The more proactive we are now, to limit and remove pollutants from our water sources, keeps me hopeful that future generations will be able to experience the luxury of a clean environment for years to come.”

Prior to joining SDE, Sydney held the role of data analyst for over 15 years. Her responsibilities included the collection, processing and reporting of sanitary and storm drain data that involved manhole, pipe and building inspections; smoke, dye and flow isolation testing; and flow monitoring. All of these services were related to Sanitary Sewer Evaluation System (SSES) and Inflow and Infiltration (I/I) projects. Sydney maintained positive client relationships with timely reporting and ensured clients’ needs were met and expectations were exceeded.

Sydney joined SDE in 2016. She is responsible for data processing and reporting as well as overseeing our resident project representative services. She performs human resources and financial functions as well as develops proposals and marketing materials.

In her spare time, Sydney enjoys camping, kayaking, singing, party planning, gardening and spending time with her children.