Quality, Standards and Testing

Water needed for human consumption, industrial purposes or other requirements must cater to certain minimum standards. The quality of any water is defined by its physical and chemical properties (characteristics). Physical properties include its appearance (colour, clarity and odour, perhaps also its taste) while the chemical properties refer to the constituents dissolved in it. Some of the physical properties are measurable and can be expressed in units of measurement while others like appearance, odour or taste are clearly subjective. However, all the chemical constituents can be measured accurately.

Drinking water must meet certain quality standards to safeguard the health of the people. The permissible and desirable limits of various parameters in drinking water have been detailed as per the Bureau of Indian Standards (BIS) standard specifications for potable water. These parameters are included in BIS-10500-1991. The various parameters covered include colour, odour, pH, total dissolved solids, hardness, alkalinity, elemental compounds such as iron, manganese, sulphate, nitrate, chloride, fluoride, arsenic, chromium, copper, cyanide, lead, mercury, zinc and coliform bacteria. The tolerance limits for inland surface waters for various classes of water use have been published by the Central Water Commission. Per ISI-IS: 2296-1982, the tolerance limits of parameters are specified as per classified use of water depending on various uses of water ranging from Class A to Class E.

What does the water that one drinks contain, what substances are dissolved in it and what are their safe limits? What are the issues that affect water quality? For more detailed information on all this, please read our FAQs on Rules, Regulations & Standards concerning water and Equipments used to measure water quality and quantity

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    Water Awards 2016posted 1 year 7 months agoread more
  • Study says 40 percent of NCR's water bodies lost to urbanisation in 42 years As per a study conducted by IIT Delhi, nearly 40 percent of water bodies in the national capital region (NCR) has disappeared between 1972 and 2014 due to rapid urbanisation. The study also revealed that due...
    swatiposted 1 year 7 months agoread more
  • Hello, I am looking for CPCB guidelines for acceptable water quality from an STP for usage in: irrigation, disposal into a storm water drain, and drinking. I could not find on their website. Can anyone help? Thanks, Parag Mody Goa
    Anonymous (not verified)posted 1 year 7 months agoread more
  • In India, most families depend on borewell or well water. Most cities like Bangalore, Mumbai, Pune, etc get well or borewell water for drinking. Borewell water is usually safe to drink but it is not 100 percent pure because of its hardness and contamination level. Your borewell water might contain b...
    Anonymous (not verified)posted 1 year 7 months agoread more
  • The 15th EverythingAboutWater Expo 2018 will be held on August 23-25, 2018 | Hall No. 12A, Pragati Maidan, Delhi, India The Expo will be one of the most unique and comprehensive annual water events in India showcasing latest technologies in the water and wastewater management sector. Also reco...
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  • Solawata, a small village in Jaipur district is barely 10 kilometers away from Sambhar, India's largest saline lake which is a major centre of salt production that produces about two lakh tonnes of salt a year. On our way to the village from Sambhar, we see caravans packed with bright coloured camel...
    Amita Bhaduriposted 1 year 8 months agoread more
  • 1. We are an apartment complex with 320 families and a Aerobic STP of 1,50,00LPD. We have recently started using STP treated water into toilet flushing. Since same water is re-circulated repeatedly, I am concerned that URIC ACID concentration will get higher over a period of time as it never gets el...
    Anonymous (not verified)posted 1 year 8 months agoread more
  • My borewell is located near to the compound wall. After few days of borewell drilling sewage started to get collected on the nearby plot which is hardly 3 feet from the borewell. We drilled for 200 feet. Water levels in the nearby borewell are < 50 feet. We used casing pipe for 35 feet after that...
    Anonymous (not verified)posted 1 year 8 months agoread more
  • Can you comment on licences or permissions to be obtained by Sea Ports (Ex: Mormugao Port Trust)?
    Anonymous (not verified)posted 1 year 8 months agoread more
  • Shilpi Bai was just 18 when she got married to Magan Singh Solanki in Jamnia village, in Dhar district, Madhya Pradesh. She had dreams in her eyes of a great life ahead. She was healthy and soon became a mother of two children. Her husband was a farmer and she would help him in the field after compl...
    arathiposted 1 year 8 months agoread more
  • In India, fresh water is depleting fast with the rise in consumption for economic activities. Poor management of water resources has led to overexploitation of groundwater. The World Resources Institute’s March 2016 report said 54 percent of India was water stressed, with scarcity affecting every ...
    arathiposted 1 year 8 months agoread more
  • Women of Podapathar village in Sundargarh district in Odisha have become an inspiration for millions of women in the country now, thanks to their determination to improve the drinking water situation in their village.  Earlier the women had to fetch water for domestic use&n...
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  • The problem of Bengaluru’s water is well known. The demand for water tankers skyrockets during the summer months, when municipal and borewell water supplies run dry, and many of the city’s lakes, actually man-made tanks, lie neglected and polluted. While legislation on rainwater harvesting ...
    priyadposted 1 year 9 months agoread more
  • Heavy metal poisoning is a growing concern in many parts of the country. A new method for removing chromium-6, a highly toxic heavy metal, from waste water has been developed by a group of scientists from India and Ethiopia. They claim it to be low-cost and safe. The new method uses water hyacinth,...
    priyadposted 1 year 9 months agoread more
  • Back in 2015, the Member of Parliament (MP) from Balasore, Odisha got to know about a strange problem in his constituency. There were reports of a number of bone deformities and crippled people in areas surrounding Patripal village of Remuna block. They seemed to be related to fluoride in water, cau...
    priyadposted 1 year 9 months agoread more
  • Aquagenx, a company based in the U.S. provides portable water quality testing products used all over the world by NGOs, humanitarian relief agencies, governments, companies, universities and private citizens. Aquagenx's water quality tests and kits are game-changing products that now enabl...
    Anonymous (not verified)posted 1 year 9 months agoread more
  • I presently stay near HSR Layout. Any laboratory in this region is preferable.
    Anonymous (not verified)posted 1 year 9 months agoread more
  • Hi. I am a student participating in a science project on the re-treatment of RO reject water. I have a small doubt - can the rejected water obtained from a RO plant be subjected again to reverse osmosis? Is it cost efficient? Or can it be treated by bio- remediation? Please give me a possible way of...
    Anonymous (not verified)posted 1 year 9 months agoread more
  • Mosquitoes spreading dengue are formed in water storage units. If rain water is stored in sumps there may be a chance for breeding of dengue mosquitoes. Dengue is a very dangerous virus resulting in death. Here in our area (Hosur, Krishnagiri District, Tamil Nadu) dengue is spreading fast. In our ho...
    Anonymous (not verified)posted 1 year 9 months agoread more
  • Despite ban, immersion of Ganpati idols made of PoP continue in Bengaluru lakes According to data released by the Bruhat Bengaluru Mahanagara Palike, a total of 2,08,585 idols were immersed in Bengaluru lakes this year on the first day of the Ganesh festival. Despite the Karnataka State Pollution C...
    swatiposted 1 year 10 months agoread more

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Artist and environmentalist Madhavi Kolte is on a mission to save the dying Mutha in Pune through her drawings and sculptures.

River Mutha, the pride of Pune, lovingly called 'Muthai' or 'mother Mutha', is dying a slow death, thanks to the rapidly urbanising city which is depositing huge amounts of untreated sewage and dirt in its water. The pollution of the river is consistently rising. The situation is so bad that the river has been declared dead at many stretches.

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Updated Global Reporting Initiative (GRI) standard requires reporting on water impacts across the value chain.

Access to freshwater is essential for all life and is a human right recognised by the United Nations. However, millions of people around the world face water scarcity, poor water quality, and inadequate sanitation. Companies operating in areas with water stress have an urgent responsibility to track their impacts to make informed decisions that trigger meaningful action.

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Hello,

I am going to buy a water purifier, and to choose the type, I would like to know the quality of water in our area.

We are staying in Santosh our, Kolkata. Pin Code-700075

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A new device makes defluoridation simple and easy to execute in remote areas where fluorosis is found to be severe.

Estimates suggest that about 10 million Indians are affected by fluorosis, a sickness associated with the consumption of increased concentrations of fluoride, mostly through water. Bones get weakened due to excessive accumulation of fluoride in them which results in increased hip and wrist fractures. Dental enamel gets eroded. The fluoride toxicity can also affect the kidneys and suppress the functioning of the thyroid. In children, neurodevelopmental disorders are noticed.

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Kerala floods take 38 lives, severe loss reported

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There is a need for better regulation and monitoring to bring toxin-free food to the Indian market.

“The recent scare due to the detection of formalin-laced fish across Goa, Kerala, Assam, Manipur, Nagaland and Meghalaya points to a link between water quality and food safety. Fish traders find it cost-effective to use formalin, a carcinogen, instead of ice to prevent the decomposition of fish during transportation to distant markets.

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Yamuna river water quality improves, thanks to floodwater: Experts

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Hi

The borewell water in our home shows a TDS of 1150. Could you recommend a solution for lowering it to less than 100. Its causing unsightly stains on the floor, walls, sinks, taps etc. Your advice would be greatly appreciated. This is for my home of 8 persons.

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The Himalayan Cleanup where people collected and sorted trash threw up useful information on the main culprits behind trash piles in the Himalayas.

My first trek in the Himalayas was a transcendental experience. Even a decade after, I remember the intense beauty of every vignette I came across. That’s why I was excited about the Himalayan Cleanup, held on May 26 this year. More than 15,000 people participated in an attempt to spread awareness about plastic pollution in the Himalayas.

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How to establish a mineral-water-bottleling project in Erode district of Tamil Nadu, India? And inform me about the testing & treatment places nearby.

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