RESUMO
Enteric disorders of protozoal origin i.e. Amoebiasis and Giardiasis are a major health problem in India. They are mostly water-borne. The prevalence of these disorders largely depends on quality of water consumed. The quality of water in India is. still below the recommended standards i.e. zero coliform per 100 ml of water [W.H.O., 1984].The present study, which was conducted in Jamalpur a suburb of Aligarh District [U.P.], included a total of 1270 individuals. The period of study was one year. Water supply in these houses was mainly [89.2%] from standpost. A few have access to piped water supply, The occurrence of Amoebiasis was very high i.e. 20.1% which was found mainly after 19 years of age. The average episode of Amoebiasis in standpost group and piped water group was 3 and 4 respectively.In standpost group majority of sample [87.3%] was contaminated as compared to piped water supply. The morbidity rate was higher in males than in females. The frequency of Amoebiasis was 18.8% and Giardiasis 25.2%. The occurrence of Giardiasis was common in 1-12 years of age and Amoebiasis had no specific group. The frequency according to standpost group and piped water group for Amoebiasis was 15% and 13.1% while Giardiasis 20.1% and 17.5% respectively. Giardiasis was more common in both source of water supply than Amoebiasis. The morbidity rate in standpost group was slightly higher