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    Vawalavalkar Rainwater Presentationpdf

    Uploaded by

    Aditya Maheshwari
    1) The document discusses rainwater harvesting efforts in Thane, India led by Enviro-Vigil to address non-potable groundwater. 2) Key factors contributing to groundwater non-potability included paving of open lands, low flushing rates, decreased green cover, and industrial/domestic sewage. 3) Solutions proposed and implemented included flushing rainwater to replenish and dilute groundwater, modern sewage treatment, and charging tube wells with harvested rooftop rainwater.

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    Vawalavalkar Rainwater Presentationpdf

    Uploaded by

    Aditya Maheshwari
    38 views10 pages
    1) The document discusses rainwater harvesting efforts in Thane, India led by Enviro-Vigil to address non-potable groundwater. 2) Key factors contributing to groundwater non-potability included paving of open lands, low flushing rates, decreased green cover, and industrial/domestic sewage. 3) Solutions proposed and implemented included flushing rainwater to replenish and dilute groundwater, modern sewage treatment, and charging tube wells with harvested rooftop rainwater.

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    1) The document discusses rainwater harvesting efforts in Thane, India led by Enviro-Vigil to address non-potable groundwater. 2) Key factors contributing to groundwater non-potability included paving of open lands, low flushing rates, decreased green cover, and industrial/domestic sewage. 3) Solutions proposed and implemented included flushing rainwater to replenish and dilute groundwater, modern sewage treatment, and charging tube wells with harvested rooftop rainwater.

    Copyright:

    © All Rights Reserved
    Download as PDF, TXT or read online from Scribd
    Download as pdf or txt
    38 views10 pages

    Vawalavalkar Rainwater Presentationpdf

    Uploaded by

    Aditya Maheshwari
    1) The document discusses rainwater harvesting efforts in Thane, India led by Enviro-Vigil to address non-potable groundwater. 2) Key factors contributing to groundwater non-potability included paving of open lands, low flushing rates, decreased green cover, and industrial/domestic sewage. 3) Solutions proposed and implemented included flushing rainwater to replenish and dilute groundwater, modern sewage treatment, and charging tube wells with harvested rooftop rainwater.

    Copyright:

    © All Rights Reserved
    Download as PDF, TXT or read online from Scribd
    Download as pdf or txt
    of 10

    • Mr.

    Vidyadhar Walavalkar1,
    • Dr. Vikas Hajirnis2,
    • Dr. Sanjay D. Joshi3,
    Mr. Ravindra Kadam4,
    • Mrs. Pradnya Thakur5,
    • Mr. Mangesh Waghmare6.
    Enviro-Vigil, Thane, India
    Inspiration
    • 1999-2000
    • Environmental status
    report
    • Thane Municipal
    Corporation
    • Says that all the ground
    water is non potable
    Research and development
    • Factors responsible for
    nonpotability of ground water
    • Paving of open lands
    • Low flushing rate
    • Decrease in green cover
    • Storm water drainage
    • Industrial sewage water
    • Domestic Sewage water
    • High and low tidal movement
    of water
    Possible Answers
    * Flushing the rainwater
    to replace or dilute the
    ground water.
    • Modern sewage
    treatment systems.
    • Charging the tube-
    wells and bore-wells
    with rooftop rain water
    harvesting
    Creating Awareness
    • Study of rain-pattern to
    understand the potential
    ANNUAL AVERAGE RAINFALL • Awareness through
    4000
    programmes
    • Study of distribution system of
    3500

    city water supply and possible


    3000
    RAIN FALL IN mm

    2500

    2000
    problems.
    1500 • Economics of drinking water
    • Threats to quality of drinking
    1901.06

    3622.55

    3637.8
    2421.4

    2619.7

    2255.1

    2301.7
    1873.8

    2217.1
    1543.9

    1000
    2443
    3071

    1824

    3454

    500
    water – Chlorination
    • Technology for rainwater
    0
    1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005

    Years

    harvesting
    Socialising and Economising technology
    • Benefit to everybody
    • Low cost factor
    • Use of existing structure
    pipelines
    • Revolution started with
    breaking of paved areas
    • Soak pit concept with sand
    filter accepted as economic
    solution
    • Online filters developed to
    charge the water to tube
    wells and bore wells.
    Success stories
    • Total 30 localities (Societies) in our
    city have started roof top rainwater
    harvesting.
    • Includes 30,000 residents.
    • 150,000 square feet rooftop.
    • 16,14,00,000 litres of rain water
    harvested each year.
    • Also it has improved the quality
    and quantity of ground water.
    • Decrease the number of tankers
    which are continuing the supply in
    summer.
    Participation of Thane Municipal Corporation

    • Old structures will be given concession in property


    tax if they have rain water harvesting system.
    • Occupation certificate will not be issued unless the
    new constructions have rain water harvesting
    system.
    • A committee formed by TMC authorities includes
    five organisations for awareness creation and
    technology development
    Additional benefits
    • Increase in ground water level
    indicates-
    • Healthy soil and nature. Makes
    everything green and soil starts
    “breathing”
    • Helps control the rising
    temperature
    • Water for other uses is
    available free of cost.
    • Serves as a buffer in absorbing
    the shocks due to earthquakes.
    A key to
    SUCCESS
    • Think globally – act
    locally

    • Team Work: The


    ENVIRONMENTAL
    AWARENESS BRINGS
    force that drives
    ALL THE PEOPLE common people to
    TOGETHER, achieve uncommon
    FORGETTING THEIR results
    DIFFERENCES

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