'Harmful' Levels Of Blue-Green Algae Reported At Big Soda Lake

LAKEWOOD, CO — Swimmers are no longer permitted in Big Soda Lake after "harmful" levels of blue-green algae were found in the water, Lakewood officials announced Thursday. Bear Creek Lake Park, at 15600 W. Morrison Road, will allow personal paddle craft devices and rentals of paddleboats, canoes, sail boats and kayaks from Rocky Mountain Paddleboard; however, paddlers "must have no contact with the water," the city said.

Blue-green algae, a type of bacteria called cyanobacteria, is normally present in bodies of water such as Big Soda Lake and is commonly found in Colorado. The type of bacteria thrives in warm, nutrient-rich water. Excessive growth of the algae can occur during summer months, and certain varieties of blue-green algae can produce toxins that are linked to illness in humans and animals.

The health and safety of our staff and visitors is a top priority at Bear Creek Lake Park,” Regional Park Supervisor Drew Sprafke said.

“Working with the state, we have closely monitored the water quality in the last few weeks, first closing down Bear Creek Reservoir in the park due to algae last week and now Big Soda Lake.”

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As a result of degrading water quality and low water levels, staff does not expect that Big Soda Lake will reopen to swimming this year, officials said. The lake normally closes for the season after the Labor Day weekend.

"Visitors are welcome to continue to enjoy the rest of the regional park from 6 a.m. to 10 p.m. including the swim beach for shoreline use only, park amenities, picnic shelters, playgrounds and the campground," the city said in a news release.