 Tetra Tech, Inc. NASDAQ: TTEK has secured a five-year, 25 million, single-award contract from the U.S. Agency for International Development USAID to support the Government of Tanzania in expanding and sustaining the delivery and management of water, sanitation, and hygiene WASH services in urban and rural settings. Tetra Techs water and sanitation experts team will provide engineering and technical advisory services to strengthen Tanzanias capacity to manage water resources infrastructure and mitigate the impacts of climate change. 