https://www.usgs.gov/centers/oregon-water-science-center/science/water-quality-willow-creek-reservoir-oregon?qt-science_center_objects=0
Water Quality in Willow Creek Reservoir, Oregon | U.S. Geological Survey
Blue-green algal blooms in the Willow Creek Reservoir may produce toxins that can be harmful to those that come in contact with them.
willow creek reservoirwater quality
https://www.usgs.gov/media/images/harmful-algal-bloom-willow-creek-reservoir-ne
Harmful algal bloom in Willow Creek Reservoir, NE | U.S. Geological Survey
harmful algal bloomwillow creek reservoir
https://www.recreation.gov/gateways/94
Willow Creek Reservoir | Recreation.gov
willow creek reservoirrecreation