City of Lethbridge Taking Proactive Approach to Blue-Green Algae - Lethbridge

City of Lethbridge taking proactive approach to blue-green algae - Lethbridge

After an extended advisory period for cyanobacteria at a lake in Lethbridge last year, the city took a proactive approach to mitigate the issue this summer.

Henderson Lake Experiencing Little Algae Blooms In 2025 - Bridge City News - July 24, 2025

The City of Lethbridge says Henderson Lake is seeing little algae bloom and cyan-o-bacteria levels this summer thanks in part to weather. Two employees from Lethbridge Polytechnic, Tyler Branson and Jin Kim, monitor the lake’s water every two weeks by collecting samples to measure oxygen levels, take nutritional analysis and monitor algae concentration. Phosphorus can fuel algae growth especially in hot weather. It was what caused a cyan-o-bacte…