The Galveston County Health District is committed to identifying public health issues that impact our everyday life. We work daily to prevent disease, protect against public health threats and promote good health for all of Galveston County. Mission: Protecting and promoting the One Health of Galveston County. Vision: To be a pillar, promoter, protector, and provider of healthfulness in Galveston County. Mission: Protecting and promoting the optimal health and well-being of Galveston County. Vision: To become the healthiest county in Texas.