Dossier
Boulder Reservoir
Coverage of Boulder Reservoir in the Nexus archive.
- Toxic algae closes Boulder Reservoir swim beach on hottest day of year so far
Boulder Reservoir's swim beach closed due to toxic blue-green algae on the hottest day of the year. Tests confirmed the algae bloom, which is occurring earlier than usual, likely due to high temperatures. The closure disappointed visitors who had hoped to use the beach for cooling off.
- Swim beach in Boulder Reservoir closed over potentially harmful algae bloom
A swim beach at Boulder Reservoir has been closed due to potentially harmful algae blooms. City staff observed the algae and collected samples for testing.