Water Quality

Judgment of the National Green Tribunal regarding plywood factories operating in Yamuna Nagar, Haryana, 27/05/2025

Judgment of the National Green Tribunal, May 27, 2025 in the matter of Sumit Saini Vs Shree Ram Steel Industries & Others. Sumit Saini, resident of village Damla, District Yamuna Nagar, Haryana had sent a letter petition dated May 14, 2022 to the NGT. The application said that around 25 …

Tirupur water supply and sanitation project: an impediment to sustainable water management?

The New Tirupur Area Development Corporation Limited (NTADCL) is the first public private partnership, set up in 1995 primarily to supply industrial water to Tirupur, a major export centre for knitwear, in India. This water supply and sewerage project is also the first project to be structured on a commercial …

Guidelines for water quality monitoring

Water quality monitoring is one of the first steps required in the rational development and management of water resources. In the field of water quality management, there has been a steady evolution in procedures for designing system to obtain information on the changes of water quality. The

Spatial and seasonal variation of surface water quality in Pillavakkal irrigation system

The surface water quality monitoring in a catchment is one of the most important tools for water management. The western zone of Virudhunagar district in south Tamil Nadu depends upon the surface water from Pillavakkal irrigation system, comprising a number of interconnected surface tanks. The increase in agricultural products and …

Guidelines for water quality management

This guidelines attempt to summarize, legal and policy matter related to water quality management, the step-wise activities required for formulation of action to restore water quality, the options that may be considered for action plan, the formats for inventory of polluting activities and various water conservation measures.

Physico-chemical and bacteriological analysis of Kosi river water in Central Himalaya

Water quality monitoring of a central Himalayan river, river Kosi was done for a period of one year. The study was done to ascertain the suitability of its water for potable supplies and to generate benchmark data for the management of the river ecosystem, as the river has a great …

Statistical assessment of underground drinking water contamination at J.P. Nagar

Underground drinking water samples at six different sites of hand pump at J.P. Nagar were collected and analysed for thirteen different water quality parameters following standard methods and procedures. Water quality index (WQI) has been calculated for all the sites using the statistical data of all thirteen parameters and WHO …

Water conflicts in India: a million revolts in the making

Water conflicts in India have now percolated to every level. They are aggravated by the relative paucity of frameworks, policies and mechanisms to govern the use of water resources. This book brings together an impressive sixty-three case studies summarized status of the conflicts, the issues involved and their current position …

Impact of Tehri Dam on aquatic macroinvertebrate diversity of Bhagirathi, Uttarakhand

Aquatic macroinvertebrate diversity in the Bhagirathi river was monitored for the period of twelve months (September 2004 to August 2005) for assessing the impact of Asia's highest dam, Tehri Dam. Comparative data on diversity of macroinvertebrates revealed that the number of taxa in the downstream stretch, especially close to the …

Bacterial survival and regrowth in drinking water systems

Weekly variations in free and total chlorine residuals and their impact on microbial concentrations were monitored for the IIT Kharagpur water supply to determine possible correlations between heterotrophic bacterial density, total and faecal coliform density, and total and free chlorine residuals.

Drinking water quality in rural India: issues and approaches

Access to safe drinking water is crucial for a country's socio-economic development. This paper examines the problems affecting water quality in India's villages and advocates a holistic and people-centred approach of water management.

Bacteriological studies of drinking water in the Lakhimpur district, Assam, India

To obtain an assessment of bacteriological quality of drinking water of the district of Lakhimpur, Assam as many as 168 drinking water samples were collected from different sources of the district and analysed. During analysis it was found that 58.2% samples have coliform MPN more than 10 and 40% have …

Biodiversity of zooplankton communities in Clive Bazaar and Talankur Lakes, Arcot, Vellore

The present study was designed to assess the nature and present status of the two permanent Ranipettai reservoirs viz., Clive Bazaar and Talankur Lakes aeas, Arcot, Vellore with special reference to zooplankton biodiversity.

Physico-chemical analysis of Pochampad Dam back water of Godavari river on Maharashtra and Andhra Pradesh border

Water samples were collected from different places in Godavari River located at Sangam point in Maharashtra and Basar point in Andhra Pradesh. The results obtained are compared with drinking water standard (BIS-10500). The results obtained envisaged that pH value of drinking water samples were slightly neutral but the maximum pH …

Pepsi plant indicted for polluting groundwater in Kerala

pepsi pollutes and it's official now. A recent study by Kerala's groundwater department has traced toxic chemicals in the groundwater at the Pepsi plant in Pudussery panchayat in the arid Palakkad district. The report says the factory has exploited groundwater resources and it can't be allowed to draw more than …

Radioactive waste in Congolese river

The government of the Democratic Republic of Congo has ordered residents of Likasi town to stay away from the local river Mura following reports that a large consignment of radioactive material has been illegally dumped in it. Likasi is a large town in the mineral-rich Katanga province and home to …

High ammonia content in Yamuna

the second week of November saw south and central Delhi reeling under a severe water crisis because of high levels of ammonia in the Yamuna at the city's water intake point. It led to a reduction in water supply from two of its water treatment plants

A health hazard

When ammonia increases in water, the demand for chlorine goes up. It is used as a disinfectant to kill pathogenic organisms in drinking water. But ammonia consumes a large quantity of chlorine to oxidize to form chloramines and disinfection becomes ineffective. Higher doses of chlorine in water with organic matter …

Draft guidelines for preparation of legislation for framing drinking water regulations

The primary aim of framing legislation on regulation of drinking water is the protection of public health. The potability of drinking water is guided by national standard that, if properly implemented, will ensure the safety of drinking water supplies through the elimination or reduction to a minimum concentration, of constituents …

Guidelines for preparation of legislation for framing drinking water regulations

The primary aim of framing legislation on regulation of drinking water is the protection of public health. As water is essential to sustain life, so a satisfactory supply must be made available to consumers. The water should be clear as a resource and safe for drinking.

  1. 1
  2. ...
  3. 143
  4. 144
  5. 145
  6. 146
  7. 147
  8. ...
  9. 159

IEP child categories loading...