More than 4,000 clear definitions covering all aspects of water engineering and technology including water supplies for urban and rural communities, wastewater systems, water resources, hydrology, irrigation, river improvement, drainage, erosion, groundwater, hydrography, flood protection, hydraulic machines, dams, and water power.<BR>The Dictionary of Water Engineering emphasises small-scale supply and the importance of sustainability, and is a practical reference tool for all those involved in water and sanitation programmes worldwide.