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Tetra Tech Inc. provides high-end consulting and engineering services focused on water, environment and sustainable infrastructure for public and private clients worldwide. News about Tetra Tech centers on quarterly results, backlog and guidance, governance changes, and awards for water and wastewater systems, environmental restoration, flood defense, and resilient infrastructure projects.
Company updates also describe work for U.S. federal, state and local agencies, defense customers, international water authorities and commercial clients. Recurring project themes include wastewater treatment design, water quality sampling, environmental site assessment and remediation, stormwater and groundwater monitoring, architect-engineer services, and IT, operational technology and cybersecurity support for logistics and infrastructure modernization.
Tetra Tech (NASDAQ:TTEK) reported third quarter 2026 revenue of $1.31 billion and net revenue of $1.11 billion, with net revenue up 8% year-over-year excluding USAID/DOS and episodic disaster response. Operating income was $158 million, EBITDA was $173 million, and EPS was $0.42.
Backlog reached $4.49 billion, up 5% sequentially, supported by multiple U.S. federal, municipal, and international contract wins. Cash from operations was $229 million in the quarter and $567 million over the trailing twelve months, with DSO at 56 days.
For the first nine months, revenue was $3.74 billion, net revenue $3.20 billion, operating income $430 million, adjusted EBITDA $466 million, EPS $1.18, and operating cash flow $467 million. The board approved an $0.072 quarterly dividend, up 11% year-over-year, and the company repurchased $100 million of stock, leaving $398 million under its program. Tetra Tech raised fiscal 2026 adjusted EPS guidance to $1.56–$1.59 and narrowed net revenue guidance to $4.315–$4.365 billion.
Tetra Tech (NASDAQ: TTEK) announced that the Federal Aviation Administration selected the company for a $27 million, 4-year task order under the Program Support Services contract to provide technical, analytical, and program management support for a major airspace redesign program.
Tetra Tech will support the FAA’s BNATCS Air Space Modernization and Performance Based Navigation initiatives by designing and evaluating routes, managing environmental screening and compliance, and establishing strategic deconfliction using operational research modeling.
Tetra Tech (NASDAQ:TTEK) has been selected by the City of Dayton, Ohio Department of Water for a single-award, eight-year contract to design advanced treatment solutions for what is projected to be the largest dedicated PFAS water treatment facility in the United States, with a projected construction cost of $350 million. The work will address legacy PFAS contamination affecting the Mad River Well Field that supplies Dayton’s 70-year-old Ottawa Water Treatment Plant, which produces 96 million gallons of drinking water per day for more than 430,000 people.
Tetra Tech (NASDAQ: TTEK) announced that the U.S. Environmental Protection Agency’s Standards and Health Protection Division within the Office of Water awarded the company a $25 million, single-award contract for high-end technical services to assess and manage risks to human health and aquatic ecosystems.
The 5-year contract will have Tetra Tech scientists and technical specialists support the EPA, states, and communities in attaining and maintaining clean water resources for drinking, fishing, and recreation. According to Tetra Tech, teams will deliver risk assessments, advanced data analytics, economic analyses, contaminant monitoring, and community engagement tools to inform water quality standards and remediation strategies.
Tetra Tech (NASDAQ:TTEK) announced the planned dates for its third quarter 2026 financial results and conference call.
Results are scheduled for release after market close on July 29, 2026, followed by a webcasted conference call on July 30, 2026 at 8:00 a.m. Pacific Time.
Tetra Tech (NASDAQ:TTEK) was selected by the Los Angeles Department of Water and Power for a 5-year, $15 million, multiple-award contract supporting the Owens Lake Dust Mitigation Program, the largest dust mitigation program in the U.S.
The company will deliver high-end engineering, environmental, and digital automation services to enhance dust control across a 48.6-square-mile area, building on more than 15 years of prior support and contributing to significant dust emission reductions.
Tetra Tech (NASDAQ:TTEK) was selected by the U.S. Army Corps of Engineers Mobile District for a $49 million, 5-year multiple-award architect-engineer contract.
The company will provide A-E design and technical services for navigation, flood risk, storm damage reduction, lock and dam, and ecosystem restoration projects in the Southeastern U.S., plus similar services in Central and South America.
Tetra Tech (NASDAQ:TTEK) has been selected by Encina Wastewater Authority in California for a single-award contract supporting the CLEAR project. The company will provide digital automation and operational technology (OT) network solutions to integrate microgrid control, gas conditioning, emissions controls, biogas systems, and energy storage.
Tetra Tech (NASDAQ:TTEK) has been selected by Scotland Excel to support critical infrastructure and environmental resiliency projects across Scotland.
The company secured positions on all nine services lots of the Scotland Excel Engineering and Technical Consultancy Framework under a 4-year multiple-award contract, serving local councils in sectors such as drainage, flooding, coastal, transportation, and master planning.
Tetra Tech (NASDAQ:TTEK) has been selected as lead design engineer for a single-award, multi-year Progressive Design-Build Hydropower Dam Spillway Modernization Project for Chelan County Public Utility District in Washington.
The company will deliver planning, assessment, engineering, and construction support for spillway upgrades at Rock Island and Rocky Reach dams on the Columbia River, focusing on safety, operational reliability, seismic resilience, and innovative design solutions.