Photo Gallery: Calder Reservoir Algal Bloom 2019 Click photo to see larger version October Calder Reservoir, October 30, 2019 Calder Reservoir, October 14, 2019 Calder Reservoir, October 2, 2019 September Calder Reservoir, September 19, 2019 Calder Reservoir, September 5, 2019 Calder Reservoir, September 5, 2019 August Calder Reservoir, August 6, 2019 Calder Reservoir, July 30, 2019 Calder Reservoir, July 11, 2019 Calder Reservoir, June 11, 2019