Tetra Tech Solid Waste

#FieldPhotoFriday: We’re taking our view to new heights! Justin Boswell pilots a drone to conduct monthly aerial photography at a landfill site.

Landfills can continue to serve an important role in a community, even after closure. #LeadingWithScience #EnvironmentalServices

Earlier this month we had a fantastic Cinco de Mayo celebration! 🌮🎉 We had an incredible turnout filled with great energy, amazing tacos, and plenty of friendly competition. From the flavorful entries in our Salsa Contest to the excitement of La Lotería, it was a great opportunity to come together, celebrate, and have some fun as a team. #LifeAtTetraTech

We’re looking forward to attending Biogas Americas 2026, America’s largest biogas conference, from May 18–21 in Detroit, Michigan. Our bioenergy and renewable fuels team is excited to connect with industry leaders, exchange ideas, and discuss innovative solutions that support a more sustainable energy future. Representing Tetra Tech at the conference: • Tom Bilgri, PE – Manager, Biogas Engineering Services • Brooke Voeller, PE – Senior Engineer • Jessica Linville - LeRoy, PhD, E.I. – Senior Project Manager • Keith Henn – VP, Bioenergy & Renewable Fuels If you’re attending, we look forward to meeting you and connecting. #LeadingWithScience #TetraTechEnergy

Successful anaerobic digestion projects start long before construction begins, and strategic siting is critical to long-term viability and return on investment.    In our latest Industry Insight, Debra Darby, CCP, Peter Klaassen, and Tom Bilgri explore how developers and communities can position anaerobic digestion projects for success by leveraging market-ready infrastructure and optimizing pathways to renewable natural gas markets.    Read the full article to learn how thoughtful planning and infrastructure alignment can strengthen project outcomes and accelerate sustainable energy development:  https://lnkd.in/gP8YFXJH

We are looking forward to attending the New York Federation Conference from May 17-20 in Lake George, New York, as a proud sponsor and exhibitor. Our team is excited to share insights through six technical presentations covering PFAS, biosolids, landfill gas, leachate treatment, microplastics, and RNG project optimization. Join us for the following presentations: • "Forensic Source Differentiation of a Groundwater PFAS Plume Using PFAS Distributions — Stephen Maxwell, P.G., LSRP • “The Biosolids Crisis: No one Should Put Up with This Crap” — Debra Darby, CCP / TRUE Zero Waste Advisor • “Landfill Gas System Improvements - Are They Worth It?” — Justin Boswell • “Evaluating and Implementing a PFAS Treatment Solution for Landfill Leachate” — Kirstie Shurie • “Microplastics in Leachate” — Arie Kremen, PhD • “Maximizing Return On Investment for Landfill Gas-to-RNG Projects Through Targeted Gas System Upgrades” — Ben Peotter We look forward to connecting with colleagues and industry peers in Lake George. #NYFED #LeadingWithScience

#FieldPhotoFriday: Deborah Cutler captures the Madison, Wisconsin’s 2026 chili cookoff winner… Lee Daigle, PE

We’re excited to share that Andrew Schellberg has been named Vice President, Facilities Design and Infrastructure. With more than three decades of experience in solid waste facility design, Andrew has played a key role in advancing our facilities practice. His leadership has helped us implement solid waste infrastructure projects across the country and strengthen our reputation as a leader in complex design and construction. Andrew also has served as Technology Director for Solid Waste East, helping integrate new digital tools and processes to improve efficiency across our projects. Please join us in congratulating Andrew on his new role! #TetraTechSolidWaste #SolidWaste #Leadership

During International Compost Awareness Week, we recognize the role of composting in building healthier soils and reducing waste. Tetra Tech advances composting as part of a circular economy—from designing infrastructure at composting facilities to supporting sustainable waste programs. #LeadingWithScience

#FieldPhotoFriday: Charlotte Martindale onsite at a New Jersey landfill supporting expansion construction, standing beside the electric leak detection inspection manifold during system testing.