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===== Surface water for drinking with minor or no treatment =====

Surface water for drinking is the availability, demand and actual consumption of clean (surface) water for domestic use. Water availability holds information on the capacity of a specific ecosystem to supply water. Water abstraction on the other hand describes the ES demand and/or ES-flow for water.

=== Indicators ===

There are numerous [[:wiki:indicators|indicators]] for drinking water. As such a few examples are:

  * Demand
      * Proportion of population using an improved drinking water source
      * Proportion of cities obtaining water supplies from protected areas
      * Water-stressed population
      * Water Exploitation Index
      * Total Water requirements
      * ….
  * Flow
      * Water Consumption for drinking
      * Water abstracted
      * Water Exploitation Index (WEI)
      * Consumptive water use by end user
      * …
  * Supply
      * Surface water availability
      * Total freshwater resources
      * Nitrate-vulnerable zones
      * River salinity
      * Renewable water supply accessible to humans
      * Water storage capacity
      * …

=== AlpES water for drinking with minor to no treatment ===

For the purposes of the [[:wiki:alpes|AlpES Project]], this ecosystem service is defined as “water for drinking with minor to no treatment”. The provision dynamics of the ES [[:wiki:water_for_drinking_with_minor_or_no_treatments_in_the_alp|surface water for drinking with minor or no treatments in the Alps]] were assessed by means of the following supply, demand and flow indicators:

  * Supply: [[:wiki:water_availabilty|Water availability]] (m<sup>3</sup>   ha<sup>-1 </sup>   y<sup>-1</sup> )
  * Flow: [[:wiki:water_use|Water use]] (m<sup>3</sup>   ha<sup>-1</sup>   y<sup>-1</sup> )
  * Demand: [[:wiki:water_abstraction|Water abstraction]] (m<sup>3</sup>   ha<sup>-1</sup>   y<sup>-1</sup> )

=== AlpES WebGIS Link ===

The [[:wiki:alpes|AlpES Project]] quantifies and maps the ES of drinking water demand and supply for the Alpine Space. These maps, demonstrating the quantity and quality of drinking water will be located here.

=== Additional Resources ===

=== Related Projects ===

~~DISCUSSION~~{{tag> "ecosystem_services" "indicator" "AlpES_project" "natural_resource_management"}}