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ONE WAY ANALYSIS OF VARIANCE OF CRITICAL PARAMETERSOF ON SITE SANITATION SYSTEM – A CASE STUDY

In the present study three periurban areas were selected to study the effect of onsite sanitation on borewell water quality. Bore well samples were collected from the peri urban areas and were analysed for critical onsite sanitation parameters like nitrate, chloride and total count. Minitabversion 17 was used to run One way Analysis of Variance (ANOVA) at 95% confidence interval. To determine the significance levels of parameters in both spatial (between bore wells and pitlatrines) and seasonal variations. In the study areas it was observed from one way analysis of variance test that chloride concentration varied with distance and season and was significant with both distance and season, while distance had highest significant effect. It was observed from the analysis of variance test that both season and distance has significant effect on nitrate concentration. Between the two, distance had higher significant effect when compared with season. Both season and distance had significant effect on total count concentration and was affected more by season than distance.