Studies On Drinking Water Treatment Plants Concerning Water Quality and Algal Growth - A Case Study
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Potable water is free from harmful microorganisms and chemicals, but it must also be free from turbidity, taste, odor, and color. Natural waters contain nutrients for organism growth, including algae. Tastes and odors are complex and can cause problems in water treatment. Polluted water can carry pathogenic organisms, leading to communicable diseases. If treatment plants aren't maintained, biological growth from algae, bacteria, and fungi can infest tanks and equipment, leading to issues like tastes, odors, slime production, filter clogging, and discoloration. Water samples from various units were analysed with references to APHA (1996), detecting coliform bacteria.
Algal identification was made using standard texts and monographs. In the present study treatment plant, which draws its water from the River Koyna (Karad, Maharashtra, India), was studied. However, nuisance algae, can cause health problems by making water unpalatable and affecting water purification and distribution. The most dominant algae are Oscillatoria and Gyrosigma, while Fragilaria, Meosira, Synedra, Nitzschia, Navicula, and Spirogyra are common filter and screen clogging algae. Excessive algal growth in the plant may require frequent cleaning of rapid sand filters. Studies on Drinking Water treatment plant concerning water quality and algal growth have highlighted the complexities of treating water impacted by harmful algal blooms. The integration of real-time monitoring systems, improved source water protection, and climate adaptation strategies is vital for ensuring the safe supply of drinking water in the face of increasing algal threats
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References
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Abouzied, A.H., Hassan, H.A.S. The effect of sedimentation by chemical coagulants and the rapid sand filters on algal removal at drinking water treatment plants in Egypt. Bull Natl Res Cent 46, 70 (2022). https://doi.org/10.1186/s42269-022-00754
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