This course focuses on water, sanitation, and hygiene (WASH) in low-income settings from an engineering and environmental health perspective. With respect to water, the course will cover drinking water quality and quantity, water access, and appropriate water treatment and storage options. The course will cover aspects of sanitation promotion, sanitation in challenging environments, and fecal sludge management. Hygiene topics will include disease transmission, handwashing station design, and theory and practice of hygiene behaviour, education and behaviour change. Local and national governance in WASH will also be explored