Central Water Commission

This presentation gives details of the permissible and desirable limits of various parameters in drinking water as per the BIS standard specifications for potable water.

Arghyam has compiled a brief presentation which gives details of the permissible and desirable limits for various parameters in drinking water as per Bureau of Indian Standards (BIS) specifications for potable water (IS -10500: 2012). While the standards were first published in 1983, this is the second revision available on the BIS website.

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The Central Water Commission studied 355 water quality stations and 32 gauge stations covering all river basins in the country. Only mercury and zinc levels were within BIS acceptable standards.

Contamination of surface water sources such as rivers due to metals, can often make the water dangerous to drink because of the health hazards associated with consuming toxic metals. The report titled 'Status of trace and toxic metals in Indian rivers' published by the Central Water Commission (CWC), presents the findings of a study conducted by the CWC that evaluated the water quality of 

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In view of water resources projects being largely funded by the Government from Public funds, the financial performance analysis assumes important role in developing these projects.

This publication by the Central Water Commission presents data on Major and Medium Irrigation and Multipurpose projects, Minor Irrigation projects, Command Area Development scheme as available in the Finance Accounts of the Union and State Governments brought out by Comptroller and Auditor General of India

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The link to the website of Uttar Pradesh Irrigation Department.

The website of Uttar Pradesh Irrigation Department can be viewed below. It contains policy documents, list of inter-state disputes over river water whose basin Uttar Pradesh is a part of, project details, flood works etc.

Click here

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Basin map for all major rivers of India by Central Ground Water Board, Central Water Commission and water quality map for all major rivers by TERI

Watershed atlas of India from the Central Ground Water Board provides quite detailed basin maps for all major rivers of the country. To view the map by Central Ground Water Board click here

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On of the first official government report of quantitative assessment of effects of climate change on water resources availability

Climate change mapThis report on the Effect of Climate Change on Water Resources, prepared by the Central Water Commission and the National Institute of Hydrology, under the guidance of the Ministry of Water Resources in 2008, is one of the first official reports made available by the Government of India, of a reliable quantitative assessment based on field data, of the likely effect of climate change on the availability of water resources, i.e. on the glaciers and snow melt, on rainfall and their effect on run off into the river system and their contribution to ground water.

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This is one of the first official reports made available by the Government of India, of a reliable quantitative assessment based on field data

The Preliminary Consolidated Report on the Effect of Climate Change on Water Resources, prepared by the Central Water Commission and the National Institute of Hydrology, under the guidance of the Ministry of Water Resources in 2008, is one of the first official reports made available by the Government of India, of a reliable quantitative assessment based on field data, of the likely effect of climate change on the availability of water resources, i.e. on the glaciers and snow melt, on rainfall and their effect on run off into the river system and their contribution to ground water. In the Report, an attempt has been made to give a brief account of the available studies on possible impacts of climate change on India's water resources, change in India's water needs, climate of India, river basins of the country, present water resources and future demand and supply, impacts of projected climate change and variability, and associated hydrological events and likely vulnerability of regional water resources to climate change. Identification of key risks, research needs and prioritisation of mitigation strategies has also been discussed. Access the report here: Preliminary Consolidated Report on the Effect of Climate Change on Water Resources

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