What type of study is this?

This is a Cohort Study study (also classified as: Quantitative Study).

September 16, 2025Open Access

Seasonal Variation of Physicochemical Parameters of Manjalar Reservoir on Western Ghats, Tamil Nadu, India

Key Points

Water quality was assessed through various physicochemical parameters, confirming its suitability for domestic consumption and agriculture.
Results varied across seasons with parameters like pH, BOD, and nitrate monitored, showing significant correlations via ANOVA tests.
Samples collected fortnightly from four sites in the Manjalar Reservoir demonstrated consistent adherence to BIS standards.
Findings highlight essential insights for sustaining the ecological balance and informing water quality monitoring strategies.

Abstract

Freshwater is the most essential for the all living beings in the world and its natural ecosystems. The present study aimed to identify suitable sources of water from the reservoir for domestic, irrigation, and agricultural purposes. Water samples were collected fortnightly from January 2022 to December 2022, at four sampling sites and were analyzed using various physicochemical parameters, such as, pH, air temperature, water temperature, TDS, chloride, total alkalinity, DO, BOD, COD, total hardness, nitrate, nitrite, phosphate, sulfate, and free CO2. The results of parameters within permissible limits, Compared with standards, BIS. All parameter results showed a significant relationship, as determined by an ANOVA test in the SPSS package. Variation in physico-chemical parameters was observed, which is useful for water quality monitoring strategies. Therefore, the water was found to be fit for human consumption and utilizable for agricultural uses. The reservoir helps maintain the health of the aquatic ecosystem.

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