Tetra Tech creates practical, sustainable, and environmentally responsible solutions to address the world’s most complex challenges.

Our service areas include agriculture and economic growth; democracy and governance; energy; environment and natural resources; land tenure and property rights; water supply and sanitation; architecture, engineering, and construction services; and global security. Tetra Tech creates practical, sustainable, and environmentally responsible solutions for federal agencies, governments, multilateral banks, and multinational corporations.

Our approach is based on sound science, stakeholder engagement, capacity building, and innovative technologies and best practices. Our goal on every project is to ensure local ownership and sustainable development long after our work is complete. Our expertise includes monitoring and evaluation tools, grants management systems, compliance systems, and public-private partnerships.

Related Projects

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Our team visited wastewater treatment facilities in Jordan to help with improving treatment performance

Jordan Water Management Initiative

Helping to set Jordan on a path toward water sustainability through focused activities that produce short-term results

Women lining up to get supplies for building their water supply system

Water Resources Integration Development Initiative (WARIDI) in Tanzania

Helping improve the management of water resources, increase agricultural yields, and promote resilient communities in the face of a changing climate

Gender mainstreaming and social inclusion across all WASH activities and engagements

Water, Sanitation, and Hygiene Partnerships and Learning for Sustainability (WASHPaLS)

Strengthening service delivery and accelerating behavior change by identifying and sharing best practices

Closing financial gaps for global water supply and sanitation services

Water, Sanitation, and Hygiene Finance (WASH-FIN)

Helping close financing gaps to achieve universal access to water and sanitation services

Afghanistan Sustainable Water Supply Sanitation

Afghanistan Sustainable Water Supply and Sanitation

Increasing access to clean and sustainable water distribution points and sanitation facilities to improve health and hygiene in Afghanistan