SWPI 103 covers Essential Service 2. This course describes the relationship between epidemiology, laboratory and environment in diagnosing and investigating UDW-related diseases and other health concerns.

This course focuses on the policies and procedures around diagnosing and investigating potential health issues associated with unregulated drinking water systems. It touches on surveillance systems and public health investigations, response planning and procedures, and technical competencies and laboratory services needed for the former processes to occur.