In a post on X, formerly Twitter, the Denver Department of Public Health and Environment said recent testing found the toxic algae in Rocky Mountain Lake, located at 3301 W 46th Avenue. Signs have been posted around the lake urging people and pets to remain out of the water.
The City of Arvada on Thursday also announced the closure of one of its lakes. Lake Arbor is closed to the public indefinitely due to blue-green algae"approaching toxic levels."Toxic algae closes Windsor Lake for a second time this summer Danielle Kreutter 4:01 PM, Jul 05, 2024 The bacteria in blue-green algae — cyanobacteria or cyanoHABs — naturally occur in Colorado waters.