Highlands Ranch Water serves more than 100,000 people in Highlands Ranch and northern Douglas County. For nearly four decades, Highlands Ranch Water has planned the water supply for this community with innovative, conservation-minded practices. Centennial Water was the first water utility in Colorado to introduce water budgets as a primary water conservation tool. It has been successful in reducing water consumption by approximately 20%. Centennial Water's major water source, comprising approximately 85% of our water supply, is surface water from the South Platte River. That is supplemented with groundwater from deep aquifer wells throughout Highlands Ranch. Centennial Water's core values are safety, teamwork, vision, excellence in service and integrity. For more information about Centennial Water & Sanitation District, please visit our website or find us on Facebook