The Miami-Dade Water and Sewer Department is committed to serving the needs of Miami-Dade County residents, businesses, and visitors by providing high-quality drinking water and wastewater disposal services while providing for future economic growth via progressive planning; implementing water conservation measures; safeguarding public health and the environment; and providing for continuous process improvements and cost efficiencies. Every day, the Water & Sewer Department manages the flow and treatment of hundreds of millions of gallons of water. Learn about the work done to ensure the safety of your drinking water and much more.