Wastewater

  • The water crisis in Karnataka has not only led to severe agrarian distress in the eastern plains region but also created an acute shortage of domestic water, in both rural and urban areas. The 21st century has seen significant changes in demography, economy and agriculture, increasing the demand for...
    aarti kelkar kh...posted 7 months 3 weeks agoread more
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    Swati Bansalposted 8 months 10 hours agoread more
  • We are from a society with 840 flats in 4 blocks of 21 floors each. Our builder and the STP person says that it is recommended to have a 50/50 or 60/40 ratio of sewage treated water and potable water before it is released to our domestic flush tanks. Is this ratio justified? We have seen earlier tha...
    Anonymous (not verified)posted 8 months 1 week agoread more
  • Hi Sir, I want to reuse greywater for flushing tank at appartment with four floors and 16 flats. Want to use wastewater from bathroom, washing machine and kitchen for flushing in toilets. What steps to be taken. Please give me your valuable information and necessary suggestions.
    Anonymous (not verified)posted 8 months 1 week agoread more
  • What is the expected units of electricity to be consumed by STP per day for society of 120 flats? We are having 3 different societies with 40 flat in each society, so is STP compulsory for us?
    Anonymous (not verified)posted 9 months 6 days agoread more
  • Dear Sir/Madam Can you please tell how much sewage is generated in India per capita per day in Class II city.
    Anonymous (not verified)posted 9 months 2 weeks agoread more
  • A major area of concern currently for India is the proper disposal of wastewater in urban areas. The huge increase in supply of potable water to cater to the needs of modern urban households has correspondingly increased the quantum of wastewater. The implementation of the Swacch Bharat Mission has ...
    Amita Bhaduriposted 9 months 3 weeks agoread more
  • November 19th is World Toilet Day. India's massive five-year all-hands-on-deck Clean India Mission to construct latrines for all has just ended. The Government reports that 100 million additional toilets have been constructed via this campaign; these are mostly not connected to waterborne sewer sy...
    priyadposted 9 months 4 weeks agoread more
  • A large amount of waste residue can be generated in the process of sand and stone production, and a lot of wastewater which casued serious pollution to the river water body can be produced. So what should be done to resolve this problem?
    Anonymous (not verified)posted 10 months 1 week agoread more
  • A study by Toxics Link, a Delhi-based environmental research and advocacy non-profit identified 15 e-waste processing hotspots in Delhi operating with impunity without safeguards. These hotspots house over 5,000 illegal e-waste processing units directly and indirectly employing over 50,000 people. T...
    Amita Bhaduriposted 10 months 2 weeks agoread more
  • Pune continues to face a water crisis every summer despite having sufficient water, thanks to its geographical location and plentiful natural water assets. While enough of its water needs are taken care of by water supply from the Khadakwasla dam, the use of groundwater to meet the needs of the popu...
    aarti kelkar kh...posted 10 months 2 weeks agoread more
  • It’s ironic that detergents, which are meant for cleaning, flow into water bodies and pollute them with chemicals. A study released recently by Delhi-based non-profit Toxics Link, ‘Dirty Trail: Detergent to Water Bodies’, has found startling levels of the toxic chemical nonylphenol in detergen...
    Amita Bhaduriposted 11 months 1 week agoread more
  • India has witnessed extreme weather conditions this year. While parts of the north and south have battled drought like conditions this summer, the northeast and western coastal areas witnessed heavy rains and floods.While climate change has been highlighted as one of the reasons for these extreme ev...
    aarti kelkar kh...posted 11 months 2 weeks agoread more
  • The Water Future Conference in Bangalore last week, saw many from the scientific community, academia, research, civil society and the media come together to discuss the state of water resources across the world and in India, as well as future pathways and scenarios, and different technological and i...
    priyadposted 11 months 2 weeks agoread more
  • NGT orders DDA to ensure farming on the Yamuna floodplains is stopped by 2020 The National Green Tribunal (NGT) has ordered the Delhi Development Authority to ensure that farming of fruit and vegetables on the Yamuna floodplains is stopped and the area is restored into a biodiversity area. The trib...
    Swati Bansalposted 11 months 4 weeks agoread more
  • Choked by sewage and effluent discharge, lakes in and around Indore are in a terrible state and in need of restoration. A bustling city in central India, Indore was declared the cleanest city in India three years in a row. After cleaning the streets and its garbage landfill area, it has now turned i...
    Amita Bhaduriposted 11 months 4 weeks agoread more
  • How to use STP treated water for agriculture? What are the permissible parameters ?
    Anonymous (not verified)posted 1 year 1 week agoread more
  • Drinking water programs in India treat urban and rural areas separately, generally neglecting the special characteristics of settlements referred to as peri-urban – those on the outskirts or peripheries of urban areas, or “rurban” settlements i.e. rural areas with urban facilities. A study - ...
    Amita Bhaduriposted 1 year 1 week agoread more
  • Is there a device that I can buy to measure the noise level? I need help measuring the STP noise as the STP is below my house and the Association is not willing to rectify it as they say its below the recommended db levels.
    Anonymous (not verified)posted 1 year 1 week agoread more
  • I am planning to buy a land in Chennai. The developer says each plot owner have to build septic tank for sewage and also borewell for drinking water. Will the grey water from the septic tank leak and pollute the borewell. There are multiple plots. I want to know how to protect borewell water, as it ...
    Anonymous (not verified)posted 1 year 2 weeks agoread more

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News this week

Water storage level 76 percent more than last year: CWC

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While water supply coverage has improved over the years in Maharashtra, why does safe and continuous water supply still remain a distant dream for the state?

Latur in Maharashtra has been facing acute drinking water scarcity over the last month and has been in news again, and that too, inspite of having piped water connections and a good monsoon this year!

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What can be learnt from past experiences on scaling up coverage of piped water supply?

Efforts are underway by both state and central governments to improve access to safe and adequate drinking water to people, and nationally, as on 31 December 2018, 79% of rural habitations had been covered at 40 litres per capita per day (lpcd) but only 47% at 55 lpcd. Yet, in spite of the big push towards piped water supply in rural areas, the coverage continued to be poor.

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There is a need to focus on the “first mile” i.e. communities across rural India to be able to ensure sustainability and scalability for piped water supply.

Millions of Indian women can take up to six trips a day to gather and transport water, which takes up a major part of their day. During scorching summers when many sources dry up, their drudgery gets even worse. Stories of girls dropping out of school to share the burden of carrying water are also not unheard of.

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News this week

30 districts in Delhi-NCR had contaminated groundwater in 2019: Water Minister

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Women swipe clean drinking water through an automated dispensing unit at the Lalbagh slum.

It’s a dull reality that the state of water in the urban slum of Lalbagh near Azadpur in north Delhi was awful till a few years back. Hoards of people would queue up to get water from the public taps or the tankers along the road. Life was tough here and people got access to piped water supply only recently. Paying for clean water from private companies was unaffordable and people often depended on sources that were polluted and unsafe to drink. Women and children had to bear the burden of water collection and this cost them a lot in terms of time and energy.

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Hello Sir,

I live in a apartment in South Bangalore which houses 160 flats. We have STP installed in our apartment complex. Excess treated STP water is used currently for flushing and gardening. Additionally we can plan to use this water for washing basement area and car wash as well. But we will still end up having around 50000 Litres of treated STP water as excess per day. Kindly let us the know the legitimate way (UGD / Storm water drain/ or any other) to discharge this excess water.

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We are a small scale industry with only nine persons in the plant including directors. We are having soak pit but is STP a must for us?

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I want to know whether Factories Act, 1948 and Boilers Act, 1923 applicable for operating Sewage Treatment Plants of 74 MLD and 56 MLD, respectively.

What are the legal compliance/ approvals needed other than Consent to Establish (CTE), Consent to Operate (CTO) from Pollution Control Board, PESO License for storing more than 5 tonners of chlorine at a time, fire approval, electricity permission etc?

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Much of the Mahanadi's deltaic coast is experiencing varying degree of erosion, a situation which is expected to worsen by 2050.

The Mahanadi delta in Odisha is a composite delta fed by water, sediments and nutrients from a network of three major rivers: Mahanadi, Brahmani and Baitarini. The coastline of the delta is approximately 200 km long, extending from the Chilika lagoon in the south to the Dhamara river in the north. It has five coastal districts - Puri, Khordha, Jagatsinghpur, Kendrapara and Bhadrak which constitute 83% of the delta area and have large areas below the five metre contour where floods due to cyclones and sea-level rise are common.

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