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  2. List of countries by access to clean water - Wikipedia

    en.wikipedia.org/wiki/List_of_countries_by...

    An improved water source, as defined by the World Health Organization (WHO), refers to a drinking water source that provides adequate and safe water for human consumption. Examples of improved water sources include piped water connections, protected wells, boreholes with hand pumps, packaged or delivered water and rainwater collection systems ...

  3. Water storage - Wikipedia

    en.wikipedia.org/wiki/Water_storage

    Groundwater is stored in two zones, one being the saturated zone, or Aquifer, the other is the pore space of unsaturated soil immediately below the ground surface. Soil moisture is the water held between soil particles in the root zone (rhizosphere) of plants, generally in the top 200 cm of soil.

  4. Water supply and sanitation in Tunisia - Wikipedia

    en.wikipedia.org/wiki/Water_supply_and...

    Tunisia has achieved the highest access rates to water supply and sanitation services among the Middle East and North Africa. As of 2011, access to safe drinking water became close to universal approaching 100% in urban areas and 90% in rural areas. [1]

  5. Water supply and sanitation in Israel - Wikipedia

    en.wikipedia.org/wiki/Water_supply_and...

    Mekorot supplies 1.5 billion cubic meters of water in an average year, 70% of Israel's entire water supply and 80% of its drinking water. It supplies water to about 4,800 intermediary water providers, including municipalities, regional associations, agricultural settlements and industrial consumers.

  6. San Francisco Fire Department Auxiliary Water Supply System

    en.wikipedia.org/wiki/San_Francisco_Fire...

    As a final measure to counter a failure of the AWSS piping, the city maintains network of 177 independent underground water cisterns. [8] Sizes vary from 75,000 US gallons (280,000 L) to over 200,000 US gallons (760,000 L) depending on location with a total storage capacity of over 11 million U.S. gallons (42 million liters) of water. [3]

  7. Water supply and sanitation in Gibraltar - Wikipedia

    en.wikipedia.org/wiki/Water_supply_and...

    Both required large volumes of water, but the arrival of a fleet could result in Gibraltar's supplies of water and food being consumed suddenly with no provision left over for others who might need it. The rapid growth of Gibraltar's population during the 18th and 19th centuries added to the pressure on the territory's water supply.

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