Material Matters
Environmental Consulting Firm for the Wastewater Industry
Experts in Wastewater & Residuals Management
Material Matters was founded in 1997 on the premise that client needs are the highest priority. We are a nationally-recognized environmental consulting firm that offers a wide range of experience in developing solutions for wastewater challenges – including managing residuals, evaluating residuals programs, and acquiring regulatory permits.
Our staff includes professionals with multiple skill sets to meet our clients’ needs, including soil scientists, environmental scientists, and experienced wastewater operators. Our clients appreciate our strong understanding of the regulatory system and awareness of their needs, which enables us to pursue each task directly and troubleshoot problems resourcefully.
Material Matters Announces Leadership Changes
Material Matters is pleased to announce the addition of Chad Harrison, P.E. as its’ new Owner and CEO. Chad is an accomplished leader and engineer with over 25 years of experience. Chad leverages his extensive experience and leadership skills to guide the company into its next phase of growth and innovation while maintaining a strong commitment to excellence.
“I am honored to join the outstanding team at Material Matters and build upon the strong foundation established by Trudy and her leadership over the past three decades. I look forward to working with our clients and partners to expand our capabilities and continue delivering the high level of service that defines the company.” – Chad Harrison
Trudy Johnston, founder and former President of Material Matters, will continue to serve as Technical Director, ensuring continuity and providing strategic guidance during this new chapter.
“This transition is the next step in the evolution of Material Matters,” said Trudy. “Chad shares our values, our mission, and our deep commitment to client success. I am confident in his leadership and excited to support the company’s continued growth.”
This transition marks a new and exciting chapter for Material Matters, and we remain committed to delivering the same high-quality service and innovative solutions our clients have come to expect. We thank you for your continued partnership and support.

Industry Leading Results
Our team brings innovative approaches to both large and small projects; municipal and industrial; water and wastewater. We serve municipal and private clients nationally, including resource recovery facilities of less than 1 million gallon per day (mgd) to those over 300 mgd. Because of our wastewater treatment plant operational capabilities, we are able identify operational limitations impacting the quality of biosolids / residuals generated, and address through process optimization.