Blue-green Algae Alert July 6, 2026 - The Denver Department of Public Health & Environment has confirmed blue-green algae present at levels that may be toxic to humans and pets within Green Valley Ranch Town Center Pond. People and pets are encourage to stay out of the water.
West Nile Virus Alert September 25, 2026 - The Denver Department of Public Health & Environment, has confirmed Denver's first human case and death from West Nile virus in 2026.