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Contaminated water in Dadar, Paral and Dharavi

Mumbai: The amount of contaminated water in Mumbai has increased slightly compared to the last two years. However, the municipal administration has claimed that this proportion is less than one percent. An average of 0.9 per cent of the water samples taken from various parts of Mumbai during the last one year have been found to be contaminated. Contaminated water in Masjid Bunder, Byculla, Wadala, Paral, Dadar and Dharavi has increased in the last one year.

The quality of drinking water supplied to Mumbaikars is checked annually by the Department of Public Health and the Department of Water Engineers. Every day 200 to 250 and in rainy season 300 to 350 water samples are sent to the laboratory for molecular analysis. These samples are sent from 24 divisions of Mumbai. The water samples from the reservoir as well as the water distribution system are collected and sent to the laboratory in Dadar by the staff of each department such as Medical Health Officer, Assistant Engineer Leakage Department, Assistant Engineer Quality Department, Assistant Engineer Water Works. According to the figures given in the annual report of the environment department of the municipality, the number of contaminated water samples has increased in the year 2020-21 as compared to the last two years. The average has gone up from 0.7 per cent in the last two years to 0.9 per cent this year. However, in some departments, the proportion has gone beyond three per cent. Metro as well as rainwater works cause water pollution due to impact on waterways.

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The amount of contaminated water in some sections is double the average. It includes parts of Dadar, Mahim, Dharavi which are the most frequently found contaminated specimens in the north. In Masjid Bunder, Girgaon, Mumbadevi, Grant Road, Bandra West, Wadala, Naigaon, Mulund, Goregaon, Mankhurd, the proportion is 1 to 2 percent.

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