Urban Water Supply

State of the Climate in Asia 2024

The World Meteorological Organization’s State of the Climate in Asia 2024 report warns that the region is warming nearly twice as fast as the global average, driving more extreme weather and posing serious threats to lives, ecosystems, and economies. In 2024, Asia experienced its warmest or second warmest year on …

Why is the Yamuna so polluted?

function all() { var popurl="image/20050430/28-graph.jpg" winpops=window.open(popurl,"","width=370,height=390,scrollbars=yes") } Could it be that Delhi's clean-up infrastructure is an effect of mindlessness? Consider: while it is broadly accepted that domestic sewage contributes between 80-90 per cent of the pollution load, and industrial effluents the rest, nobody has any clue on how much waste …

Physico-chemical studies of drinking water and performance evaluation of treatment plants in Delhi

A study to assess the supply of drinking water quality in Delhi, by examining the various physico-chemical parameters, namely pH, conductivity, TDS, SS, DO, BOD, COD, calcium and magnesium hardness, total hardness, alkalinity, salinity, turbidity of the pre-treated water samples from Bhagirathi, Wazirabad, Chandrawal, Haiderpur and Okhala Water Treatment Plants …

Evaluation of ground water quality of Bareilly city

The quality of ground water across the Bareilly city has been determined by analyzing different physico-chemical parameters. Alkalinity and hardness of groundwater is beyond the WHO limits. Water quality index of different sites is also calculated.

Is it the end?

Untrammeled urbanisation has put paid to many water bodies in Hyderabad. The latest victims are the Osmansagar and Himayatsagar reservoirs. These human-made lakes have supplied the bulk of the city's water needs for nearly eight decades. In 2002, Hyderabad received about 45 million gallons of water each day from Himayatsagar …

Urban water management in Singapore

Singapore may just have discovered a remedy to reduce water wastage at the household level. The city is known for its long-standing efforts at saving water through recycling water and promoting rainwater harvesting. Now, they have started the

On privatising water

Wherever they exist India's urban elite splash on subsidies B Ashok a regime of pro-rich subsidies have ensured India's urban elites happilly benefit from organised water supply and sewage treatment services, wherever they exist. Water tariffs in India are among the lowest. Let us compare. In the us

Drinking water quality analysis of some bore-wells water of Chikhli Town, Maharashtra

The present paper deals with the drinking water quality analysis of some bore-wells of Ward No. 17 of Chikhli town. The various parameters studied are colour, taste, odour, pH, turbidity, total dissolved solids, total suspended solids, total hardness, calcium hardness, magnesium hardness, copper, iron, chlorides, sulphates, nitrates and fluorides. The …

Is a 24 hour water supply possible?

"Twenty-four hours, seven-days-a-week water supply for urban India' fuels many a dream and much debate. Is 24/7 water supply attainable? An answer to this question was attempted at a workshop organised in Hyderabad, from September 23-24, 2003, by the Administrative Staff College of India (asci) and Water and Sanitation Program …

Private participation in infrastructure in developing countries: trends, impacts, and policy lessons

Over the last decade, governments around the world pursued policies to involve the private sector in the delivery and financing of infrastructure services. The scale of this move away from the hitherto dominant public sector model was far more rapid than had been anticipated at the start of the 1990s. …

Living environment and health of urban poor

This paper presents and discusses primary data from a survey of 1,070 households in four poor settlements in Mumbai comprising slum-and pavement-dwellers and squatters on the living environment and health conditions. The study attempts to examine the consequences of socio-economic and environmental factors in terms of income, literacy, sanitation and …

Shut and dried

In India, there is an inextricable link between water and politics. This was very much in evidence recently when the opposition walked out in the Karnataka assembly over the proposed privatisation of Bangalore’s water supply system. Water tariff had earlier been hiked steeply in the city to pave the way …

Ecologically mindless

WHILE attending the Stockholm Water Symposium a few years ago, my colleague, Anil Agarwal, and I were invited to a banquet by the king of Sweden. But instead of dining in splendour we were checking out toilets in some remote parts of the city. I was not too convinced of …

Drowning In Human Excreta

"Don't flush." M K Malhotra, a resident of Delhi's Vasant Kunj, has put this instruction on his toilet. Six members of his family use this toilet at least three times a day and ten litres of water goes down the drain with every flush. In a water-scarce locality, Malhotra can …

New Age Approach

IT IS time to go back to basics and examine what toilets and sewerage systems are supposed to do. The point of all these systems is the safe disposal of human waste matter. Flush toilets and sewerage transfer the problem elsewhere; they are complicated ways of spreading pathogens away from …

Ensuring access to water in urban households

This paper deals with how urban Indian households obtain water for their daily requirements. The link between economic status and access allows the analysis of issues such as water sharing, sole access, ability to pay, need for improvements, etc. The authors also put forth a strategy for levying user charges …

I am green by choice , not by chance

What have been your achievements in improving Delhi's environment ? I think the air quality in Delhi has improved in the last couple of months since we have banned the use of polluting vehicles. The Yamuna is getting a lesser load of pollutants. However, it is not as clean as …

A water harvesting manual for urban areas: case studies from Delhi

This manual is built out of CSE's experience in providing technical advice to implement rainwater harvesting in the urban context.

Funds denied

maharashtra's urban and rural water supply policy has cost it overseas assistance to the tune of Rs 13,000 crore over the last two years. The situation is the culmination of the government's refusal to change the "ill-planned and contractor-based water schemes' which resulted in denial of aid by project managers …

War over water

At least three farmers, who died recently in Falla village 28 kilometres from Jamnagar town, felt this way. They were not alone. With them were almost half a thousand others. The farmers were unhappy because the authorities had taken a decision to tap a water source, in this case the …

Cities, sewers and poverty: India's politics of sanitation

This paper discusses the political circumstances which help explain why the insanitary living conditions of such a large section of India’s urban population have been ignored, and contrasts these with the circumstances which explain successful sanitary reform in Britain in the second half of the 19th century. In India, there …

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