[WQ Update] Cholorphylla-a

2018 Report

Chlorophyll-a

Why Sample for Chlorophyll-a?

The Authority is tasked with improving, protecting, and preserving water quality for beneficial uses. The Authority samples for chlorophyll α because it can tell us about the amount of algae in the reservoir, and high levels of algae may impact the reservoir's beneficial uses.

Useful Links

Chlorophyll-a

Seasonal Mean Concentrations of Chlorophyll-a Measured in Cherry Creek Reservoir

info_outlineEach point on the graph represents a seasonal mean value for samples collected in July, August, and September of that year. The red line represents the chlorophyll a standard for the reservoir. Hover over a point to view the specific value for the corresponding year.

Cherry Creek Reservoir Cholorophyll-a Drilldown

info_outlineEach point on this graph represents a sampling event. The different point colors represent different locations. To learn more about a specific data point, hover over it with your mouse.