Research: The objectives of this project are to determine if there is a difference in water quality between publically supplied tap water and the actual drinking water used by families in Nogales, AZ and understand the risk perception these families have about their publically-supplied tap water and alternative drinking water sources. Service: We are served the community by providing low-income families with analyses of their water supplies. Training: We provided training to promotoras at Mariposa Community Health Center, who are assisting with recruitment and data collection. This project forms the basis of Kerton Victory's dissertation and has provided him with training in project management, data and laboratory analyses, human subject research and risk communication.