This simple and useful resource empowers individuals and organizations around the globe with the basic principles and tools required to design and construct standard water supply, sanitation, and hygiene systems in a developing country context. Lifewater International, in collaboration with the United States Agency for International Development (USAID), offers this technical library, which consists of 160 publications titled “Water For The World Technical Notes”. The goal of this resource is to provide simple, short, and easy to follow guides in order to facilitate the development of necessary infrastructure to improve livelihoods and prevent disease.