Water Quality

Interested in water quality info about Cherry Creek and Cherry Creek Reservoir? Here’s the 2020 Annual Report in which you’ll find detailed monitoring from last year.

Learn More

Meetings

Board meetings are held the third Thursday at 9:00am and TAC meetings the first Thursday at 9:00am of each month via Zoom. Access your meeting packets here.

Learn More

Interactive Data

Explore interactive data about the water quality throughout the Basin here. Enter the portal now to visualize change and discover relationships you never thought of.

Learn More

Cherry Creek Basin

Water Quality Authority

The Authority is tasked with benefiting its inhabitants and land owners by preserving water quality in Cherry Creek and Cherry Creek Reservoir; and preserving waters for recreation, fisheries, water supplies, and other beneficial uses. The Authority Board consists of representatives from Arapahoe and Douglas Counties; Aurora, Castle Pines, Castle Rock, Centennial, Greenwood Village, Lone Tree, and Parker; a representative from special districts that provide water and wastewater treatment in the basin; and seven public representatives appointed by the Governor.