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    Water Supplies in the Southwest Making a Finite Supply Sustainable for a Growing Population

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    Thumbnail
    Name:
    Santillan_Thesis.pdf
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    Description:
    Main Essay
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    Thumbnail
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    SantillanCapstonePoster.pdf
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    Gallery Poster
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    Author
    Santillan, Steven
    Issue Date
    2014-12-17
    Keywords
    water
    water conservation
    Tucson
    potable reuse
    water harvesting
    decentralized systems
    Mentor
    Snyder, Shane
    Instructor
    Iuliano, Joey
    Keith, Ladd
    
    Metadata
    Show full item record
    Publisher
    The University of Arizona.
    Rights
    Copyright © is held by the author. Digital access to this material is made possible by the College of Architecture, Planning and Landscape Architecture, and the University Libraries, University of Arizona. Further transmission, reproduction or presentation (such as public display or performance) of protected items is prohibited except with permission of the author.
    Collection Information
    This item is part of the Sustainable Built Environments collection. For more information, contact http://sbe.arizona.edu.
    Abstract
    Across the world, populations continue to grow while water supplies stay fixed. In the American Southwest, water supplies are at an all time low, yet warm, favorable conditions continue to lure residents to the area. With some of the country’s lowest fresh water reserves, it is imperative that changes are made to water usage trends and associated energy inefficiencies. An analysis of water usage in Tucson was conducted to evaluate potential solutions for reducing consumption and to correspondingly shrink energy usage. Case studies were investigated, census numbers were used to roughly calculate statistics, existing knowledge on water conservation techniques were researched, and alternative water filtration as well as distribution systems were scrutinized for their viability amongst current infrastructure. The potential to reduce water usage is greatest with the largest user of water in Tucson, the single-family residence. On average the single-family residence is capable of effectively saving nearly 25,000 gallons of water per year with efficient fixtures, another 25,000 gallons per year by reducing outdoor water use by half, and another 10,625 gallons by utilizing rainwater harvesting. Combine those savings and multiply them by the 225,000-240,000 single-family residents estimated to be in Tucson and the savings reach more than five billion gallons a year, effectively almost cutting water consumption in Tucson by a fifth. Further, to keep remaining usage impacts negligible, implementation of an indirect or direct potable water reuse system could satisfy populations for decades by reusing water that would normally be discarded as effluent. Water consumption must be curved so that it can satisfy a growing population’s needs. Amongst residents of Tucson, single-family residences have the greatest potential to reduce water and associated energy needs. Through conservation techniques, water harvesting, reducing outdoor water usage, and potable reuse, limited water supplies can satisfy future generations to come.
    Description
    Sustainable Built Environments Senior Capstone Project
    Type
    text
    poster
    Degree Name
    Sustainable Built Environments
    Collections
    Senior Capstones

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