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James W. Sewall


Michael S. Riley, PE, joins Sewall as Senior Project Manager. Water/wastewater consulting engineer to expand Sewall client base

James W. Sewall Company is pleased to announce the hiring of water/wastewater engineer Michael S. Riley, PE, as Senior Project Manager in Engineering. With 20 years’ experience in water/wastewater consulting and municipal utility management, he will play a strategic role in expanding Sewall’s traditional client base in the New England water/wastewater market.

Mr. Riley has a career record of accomplishment in both professional consulting and water utility management. As project manager, consultant and chief engineer at two prominent Maine firms, he supervised over 65 multi-disciplined water utility projects throughout Massachusetts, New Hampshire, and Maine, including a $15 million, 30-million-gallon-per-day (MGD) water treatment facility upgrade in Lowell, Massachusetts. He has managed multiple mutual aid studies for utilities throughout Maine and New Hampshire and designed over $100 million in public infrastructure in Maine. As superintendent of the Brewer Water Department, a municipal utility serving 10,000 customers, he managed programs for watershed monitoring and testing; water treatment, including operating a 4-MGD ozonation plant; and water distribution. In this position, he increased watershed control from 30 to 80 percent within four years; designed interconnect and intake projects, providing redundancy for all key water system components; and implemented changes in the corrosion control program, which resulted in the first passage of the Lead/Copper Rule in 15 years.

Sewall Vice President of Engineering Scott Graham says, “We are pleased to welcome Mike to our engineering team. He brings a unique combination of strengths—extensive consulting experience plus an insider’s view of client needs and challenges.  These qualities will be invaluable to us and to our clients going forward.”

Mr. Riley is a member of the American Waterworks Association (AWWA), the American Society of Civil Engineers (ASCE), and the Maine Water Utilities Association (MWUA), and a frequent presenter on water/wastewater best practices and technologies. He has Class IV licenses in water treatment and water distribution, a BS in civil engineering from the University of Maine and a BS in biology from Bates College.

Founded in 1880, Sewall is an integrated team of geospatial, engineering and natural resource consultants who partner with clients to create practical, sustainable solutions. The company’s diverse portfolio is based on 100 years' experience in surveying, forestry consulting, and civil engineering; 60 years' in aerial mapping; and 20 years' in geospatial systems and software. In the last 10 years, Sewall’s offerings have expanded to include services in environmental science, renewable energy, and web-based technologies. For more information, contact: Scott Graham, PE, Vice President, at 207-827-4456;; and visit the Sewall web site at


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