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  2. Hydrologic unit system (United States) - Wikipedia

    en.wikipedia.org/wiki/Hydrologic_unit_system...

    The 10-digit watersheds were delineated to be between 40,000 and 250,000 acres in size, and the 12-digit subwatersheds between 10,000 and 40,000 acres. [5] In addition to the hydrologic unit codes, each hydrologic unit was assigned a name corresponding to the unit's principal hydrologic feature or to a cultural or political feature within the ...

  3. San Francisco Fire Department Auxiliary Water Supply System

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

    Two 750-US-gallon-per-minute (2,800 L/min) centrifugal pumps deliver fresh water from the city's domestic water system. For safety, the reservoir is broken up into two tanks, and each tank can be emptied separately so that only half of the reservoir is lost in case of a pipe breakage. [4] [5] The tank is set at 758 feet (231 m). [6]

  4. Water distribution system - Wikipedia

    en.wikipedia.org/wiki/Water_distribution_system

    An example of a water distribution system: a pumping station, a water tower, water mains, fire hydrants, and service lines [1] [2]. A water distribution system is a part of water supply network with components that carry potable water from a centralized treatment plant or wells to consumers to satisfy residential, commercial, industrial and fire fighting requirements.

  5. Water supply network - Wikipedia

    en.wikipedia.org/wiki/Water_supply_network

    Attempts to expand water supply by governments are costly and often not sufficient. The building of new illegal settlements makes it hard to map, and make connections to, the water supply, and leads to inadequate water management. [4] In 2002, there were 158 million people with inadequate water supply. [5]

  6. Category:Water supply infrastructure - Wikipedia

    en.wikipedia.org/wiki/Category:Water_supply...

    Water tanks (1 C, 3 P) Water towers (1 C, 8 P) Water wells (4 C, 48 P) Pages in category "Water supply infrastructure" The following 47 pages are in this category ...

  7. Watershed management - Wikipedia

    en.wikipedia.org/wiki/Watershed_management

    Watershed management is the study of the relevant characteristics of a watershed aimed at the sustainable distribution of its resources and the process of creating and implementing plans, programs and projects to sustain and enhance watershed functions that affect the plant, animal, and human communities within the watershed boundary. [1]

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