Wastewater

  •  The East Kolkata Wetlands (EKW) are a truly unique ecosystem, presenting a very different sight from the normal urban landscape in India. What is so unique and different about them, and how have they survived the aggressive growth of Kolkata city? The credit goes to Dr. Dhrubajyoti Ghosh, a...
    aarti kelkar kh...posted 1 year 1 month agoread more
  • Centre for Science and Environment (CSE), a New Delhi based non-profit has rated the country’s fertilizer sector on several parameters, in a first of its kind study. The rating, done over an 18-month-long process, covered 28 of the 32 functional fertilizer units in the country. The findings of thi...
    Amita Bhaduriposted 1 year 1 month agoread more
  • Centre for Water Resources Development and Management (CWRDM) is organizing the Indian National Groundwater Conference (INGWC-2020) to discuss 'Groundwater Resources Management for Sustainable Development with the Special Emphasis on Coastal and Urban Environment’ at CWRDM, Koz...
    prijuposted 1 year 1 month agoread more
  • Meghalaya's draft water policy gets approval To address conservation and protection of water sources in the state, the Meghalaya cabinet has approved a draft water policy for the state. The policy was drafted by the state water resources department in consultation with experts in wate...
    Swati Bansalposted 1 year 2 months agoread more
  • Across South Asia, small and medium-sized towns are rapidly expanding. Urbanisation has made inroads into the entire Himalayan region. Mountain urbanisation poses a need for assessments of emerging risks and vulnerabilities in environmentally sensitive regions. These areas are marked by po...
    Amita Bhaduriposted 1 year 2 months agoread more
  • Hi, We have a capacity of one lac ltr of STP installed in the building. The STP is working in good condition, but we are facing an issue. The output of STP is one lac ltr per day but the usage of the same can be done in 2 areas, i.e. flushing and gardening. 40,000 ltr is used in the above areas. Whe...
    Anonymous (not verified)posted 1 year 2 months agoread more
  • Decentralised and communitarian efforts in soil and water conservation, sustainable agriculture, afforestation and renewable energy need extensive investment, if the human race is to survive the deepening water, food, energy and climate crises. Moreover, since these crises most affect the poor who ...
    Amita Bhaduriposted 1 year 2 months agoread more
  • Monsoon makes slowest progress across India in 12 years (source: Times of India) Indian Meteorological Department (IMD) records show that this year's monsoon has so far been the slowest progressing monsoon in the past 12 years. The monsoon has currently reached just about 10 to 15% of the c...
    Swati Bansalposted 1 year 2 months agoread more
  • Can I recharge water pit with washing machine wastewater? Generally we use detergents in washing machine. Will it have any chemical effect on borewell water in the long run? In our apartment, nearly 1000 liters of wastewater comes from washing machines every day. Please suggest.
    Anonymous (not verified)posted 1 year 2 months agoread more
  • Can water from bathroom (excluding WC), kitchen, sink, basin, washing machine etc be used for rainwater harvesting. Is there a way to use this water to give to plants. I am worried that the soap in this water may damage the plants or make the soil saline over the course of time. What type of treatme...
    Anonymous (not verified)posted 1 year 2 months agoread more
  • I am a resident of Bangalore living in an apartment complex for almost a decade now. Residents of my apartment complex have been suffering with faulty/ ill maintained STP for several years. Several complaints to builder/welfare association have fallen on deaf ears. Black, untreated water often infes...
    Anonymous (not verified)posted 1 year 3 months agoread more
  • Can STP water after aeration and filtration be used for groundwater recharging?
    Anonymous (not verified)posted 1 year 3 months agoread more
  • India's water situation alarming As per the Central Water Commission (CWC), the water storage available in 91 major reservoirs of the country towards the end of May was 31.65 billion cubic meters, which is 20 percent of the total storage capacity of these reservoirs. The data by the India Meteorolo...
    Swati Bansalposted 1 year 3 months agoread more
  • Sarla Yadav, a resident of Yamuna Ghat 24 is a treasure trove of stories on the river Yamuna. She runs a boat business with her son Shyam who provides a nuanced personal account of living by the river and of eking out a meagre livelihood by plying boats. They are among a few families who have not so...
    Amita Bhaduriposted 1 year 3 months agoread more
  • Centre issues drought advisory to six states Taking note of water levels dipping in dams to a critical level, the Centre has issued a drought advisory to Maharashtra, Gujarat, Karnataka, Andhra Pradesh, Telangana and Tamil Nadu. The advisory recommends the states to use water for drinking purpose o...
    Swati Bansalposted 1 year 3 months agoread more
  • The maintenance cost of STP and its electricity bill is very high and as a result building members find it difficult to cope up with the maintenance. How can we reduce the STP cost? Is it compulsory to install STP in every building? How many flats must be their to support STP?
    Anonymous (not verified)posted 1 year 4 months agoread more
  • Hi, I am working in ESBR wastewater treatment plant. We are struggling with a issue of Low MLSS, MLVSS in aeration tank and high COD after secondry clarifier. MLSS-700 PPM, MLVSS- 300 PPM Inlet COD 700-800 PPM and after secondry clarifier it is upto 400 ppm. So, please suggest how to increase...
    Anonymous (not verified)posted 1 year 4 months agoread more
  • NGT raps green ministry for failing to curb depletion of groundwater The National Green Tribunal (NGT) has pulled up the environment ministry for failing to furnish a report, sought by the tribunal earlier, on the actions taken to tackle groundwater depletion. In January, the tribunal had ordered t...
    Swati Bansalposted 1 year 4 months agoread more
  • The Yamuna was considered a nurturing and life-enhancing goddess in the past. Legend has it that bathing in the sacred waters of the Yamuna, the sister of Yama, the god of death, frees one from the ordeal of death. The 1376-km river is a tributary of the Ganga and originates in the Yamunotri gl...
    Amita Bhaduriposted 1 year 4 months agoread more
  • India is on the brink of a major water crisis. With drought looming over the southern and western parts of the country, the existing water resources are in peril. Rivers are getting more polluted, their catchments, water-holding and water-harvesting mechanisms are deteriorating and groundwater level...
    aarti kelkar kh...posted 1 year 4 months agoread more

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The Karnataka Jnana Aayoga (KJA) set up a Task Group to draft a new water policy for Karnataka in December 2017 and the report is now in public domain. What are the suggestions that the report makes?

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 water in the state. Expanding irrigation and urbanisation, possibly have also had a negative impact on river basins and water conflicts are seeing a rise in the state. All these developments have substantially complicated and aggravated the water challenges in Karnataka.

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January 24, 2020 9:00AM

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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 that when 100% STP treated water is used in flushes they stink and has a slightly yellowish colour but when mixed with 50% potable water they seem good. Pls advise if this is the norm.

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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.

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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?

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Dear Sir/Madam

Can you please tell how much sewage is generated in India per capita per day in Class II city.

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A report by NIUA brings to light the chinks in Jaipur's sewage system and suggests some solutions.

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 also led to a substantial increase in the number of toilets and this has increased the faecal sludge and the wastewater load considerably.

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On World Toilet Day, we bring to light the labour of India’s sewer workers - those who do the unclean work that a Clean India relies on.

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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?

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Study identifies 5,000 illegal e-waste units in Delhi operating without health and environmental safeguards.

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. The sheer scale of the violation of environmental norms highlights the failure of the system, especially of the E-waste (Management) Rules 2016.

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