Terms and definitions beginning with the letter "W":

Water borne diseases
Disease that arises from infected water and is transmitted when the water is used for drinking or cooking for example, cholera or typhoid
Water Footprint
The water footprint is an indicator of freshwater use that looks at both direct and indirect water use of a consumer or producer
Water Governance
The political, administrative, economic and social systems that exist to manage water resources and services and is essential in order to manage water resources sustainably and provide access to water services for domestic or productive purposes
Water right
A water right is the right to use water - not to own it. Good water law recognises and acknowledges existing uses and rights, including customary uses and aboriginal entitlements
Water scarcity
Occurs when annual water supplies drop below 1 000 m3 per person, or when more than 40 per cent of available water is used
Water Security
The availability of an acceptable quantity and quality of water for health, livelihoods, ecosystems and production, coupled with an acceptable level of water-related risks to people, environments and economies
Water supply
The share of water abstraction which is supplied to users (excluding losses in storage, conveyance and distribution)
Areas that are inundated by surface or ground water with frequency sufficient to support a prevalence of vegetative or aquatic life that requires saturated or seasonally saturated soil conditions for growth or reproduction
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