Chlorophyll A is a primary pigment found in all green plants and algae and, is crucial for photosynthesis, and is the process by which light energy is converted into chemical energy. In the context of algae blooms, Chlorophyll A is a critical indicator of the presence and density of algae in water bodies. When favourable conditions, such as in nutrient-rich waters often resulting from agricultural runoff or wastewater discharge, algae, including harmful algae species, can proliferate rapidly, leading to blooms. These blooms can significantly impact water quality, aquatic life, and the broader ecosystem. Monitoring Chlorophyll A concentrations is essential for early detection and management of these blooms, helping mitigate their adverse environmental effects.