Public health monitoring system designed to detect and track health-related patterns or symptoms in a population. Environmental epidemiologists use syndromic surveillance to determine health outcomes related to exposure to chemicals, pollution, heat/cold, and natural disasters.

Environmental epidemiologists and toxicologists coordinate with HCPH’s Public Health Preparedness and Readiness Division, emergency responders, healthcare providers, and other stakeholders to monitor the adverse effects related to hazardous chemical incidents and natural disasters. This is done using hospital data, syndromic surveillance, and health-based questionnaires for those directly affected by the incident to assess health outcomes based on exposure.

Environmental epidemiologists and toxicologists track environmental health related legislation and monitor for TCEQ public comment periods so that feedback can be given that helps policy makers understand the implications of their proposals on environmental and human health.

Environmental epidemiologists and toxicologists aim to enhance HCPH's capacity to protect public health in the face of industrial and environmental challenges within Harris County. Their joint efforts involve investigating potential chemical hazards and their associated health impacts in the county, while also exploring various response tools and strategies through research efforts.