The water quality standards section on the site of the Central Pollution Control Board (CPCB), contains data on limits/standards of various indicative water quality parameters, such as coliform, pH, dissolved solids, bod etc, for each designated water use (drinking, bathing etc).
Read the standards and also view this file for water quality and drinking water quality standards from www.groundwatertnpwd.org.in
Monitoring of Indian National Aquatic Resource: This article on the Central Pollution Control Board (CPCB) website, contains graphs indicating the water-source wise national water quality monitoring network data, water quality trend across different parameters (bod, coliform etc), and water quality trend (measured in terms of bod) in various rivers of India.
The environmental standards section of the Central Pollution Control Board website, contains more than 40 industry–specific effluent standards, ranging from battery manufacturing to thermal power plants.
Read the industry–specific standards
Under the same section, read through some of the more recently–notified industry– specific standards and some proposed industry–specific standards here
The CPCB is a national body formed to promote cleanliness of streams and wells in the country by prevention, control and abatement of water pollution, and to improve the quality of air and to prevent, control or abate air pollution in the country.
For more info, click here
This site provides information on the list of 17 most polluting industries, identified by the Central Pollution Control Board (Ministry of Environment and Forests). The site provides information on the following sections: