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Searching with a thematic focus on Environment and water, Environment, water supply

Showing 81-90 of 92 results

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• Document

  Emergency Water Sources: Guidelines for selection and treatment (3rd Ed).

  Water Engineering and Development Centre, 2004

  These guidelines have been designed to help those involved in the assessment of emergency water sources to collect relevant information in a systematic way, to use this information to select a source or sources and to determine the appropiate level of treatment required to make the water suitable for drinking.
• Document

  Solutions for a Water-Short World

  Center for Communication Programs, Johns Hopkins University, 1998

  As populations grow and water use per person rises, demand for freshwater is soaring. Yet the supply of freshwater is finite and threatened by pollution. To avoid a crisis, many countries must conserve water, pollute less, manage supply and demand, and slow population growth. [author]
• Document

  Hitosa Water Supply Project, Ethiopia

  Wateraid, 1997

  Describes a large scale community-managed gravity water supply scheme in Ethiopia
• Document

  Small Scale Water Providers in Paraguay

  UNDP - World Bank Water and Sanitation Program, 1999

  While many countries in Latin America are experimenting with the new concept of private provision of water supply service, Paraguay has for some time been the ground for another type of experiment: the free entry mode of service provision.
• Document

  The Potential and the Limits of Private Water Providers: Independent Sellers in Francophone Africa

  UNDP - World Bank Water and Sanitation Program, 1999

  Suggests that the small scale operator may enjoy an advantage when it comes to providing services in smaller settlements where the national operator with a single service delivery system rarely breaks even.
• Document

  Do Cross-Subsidies Help the Poor to Benefit from Water and Wastewater Services?: Lessons from Guayaquil, Ecuador

  UNDP - World Bank Water and Sanitation Program, 1999

  Tariff policy in many countries is often driven by the understandable desire to assure that the poor have access to reliable water and sewerage services which leads, in turn to a system of cross-subsidies. The water utility charges low income groups and residences at below-average rates, but charges industrial and commercial users at above average rates to make up the difference.
• Document

  Formal and Informal Markets for Water: Institutions, Performance, and Constraints

  World Bank Research Observer, 1999

  Water markets—either formal or informal—can be an efficient method for reallocating scarce water supplies. At the same time certain constraints can raise the transaction costs of trading water. This paper reviews the conditions necessary to establish successful water markets, identifies potential problems, and offers mitigating strategies.
• Document

  Handbook on the Economic Analysis of Water Supply Projects

  Asian Development Bank Institute, 1999

  Practical manual with numerous illustrations and numerical calculations.
• Document

  Developing Small Dams and Social Capital in Yemen: Local Responses to External Assistance

  International Association for the Study of Common Property, 2000

  This paper examines six cases of small dam development along small seasonal rivers (wadi) in the rugged mountainous province of Al-Mahweet in north central Yemen.Development of small dams is a current priority of the Government of Yemen and various foreign donors.
• Document

  Are stable agreements for sharing international river waters now possible?

  Policy Research Working Papers, World Bank, 1995

  Proposed here is a new scheme for allocating international river water that accounts for the stochastic nature of water supply and the dynamic nature of its demand.

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