Water conservation

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  • 1. Texas Water Development Board 2008 Water Use Survey Summary Estimates by City Five Largest Cities in Texas 1) July 1, 2008 Estimated Population (Source: Texas State Data Center). 2) An Acre - Foot is an amount of water to cover one acre with one foot of water and equals 325,851 gallons. Texas Water Development Board. (2010, December 11), Water Use Survey, Kevin Kluge – Team Leader. Partial statistics retrieved from the Texas Water Development Board website: http://www.twdb.state.tx.us/wrpi/wus/2008est/2008wus.asp City Population Estimates (1) Municipal Use in Acre-Feet (2) Gallons Consumed Annually Gallons Per Person Per Day (365 days) HOUSTON 2,215,947 333,329 108,615,587,979 134 SAN ANTONIO 1,348,539 225,301 73,414,556,151 149 DALLAS 1,268,533 302,087 98,435,351,037 212 AUSTIN 757,717 144,808 47,185,831,608 170 FORT WORTH 702,786 151,245 49,283,334,495 192
  • 2. Water Management Plan
    • EPA has examples of templates to draw information to create your own Plan / Program.
    • http://www.epa.gov/oaintrnt/water/plans.htm
    • http://www.epa.gov/greeningepa/water/techniques.htm
    • Try to account for all water consumption through precise measurement - metering.
    • Try to capture reusable condensate water.
    • Track all water consumption in Energy Star Portfolio Manager .
  • 3. Plumbing Code and EPA WaterSense Label Comparison http://www.epa.gov/WaterSense/docs/faucet_suppstat_final508.pdf Plumbing Code WaterSense Water Closet 1.6 GPF 1.28 GPF Urinal 1.0 GPF .05 GPF Shower Head 2.5 GPM 2.0 GPM Metered Faucet 0.25 GPU 0.25 GPU Aerator 2.2 GPM 0.8 – 1.5 GPM
  • 4.
    • In 1990, the average person used 183 gallons of water per day.
    • The water use is about 50% higher in the west than the east.
    • Running water while shaving or brushing teeth, wastes more water than what one person needs for an entire week.
    Bathrooms Claim Nearly 75% of Water Use
  • 5. Water Closets
    • Toilets made before 1993, use between 3.5 and 8 gallons per flush.
    • Newer toilets use less than 1.6 gpf. This becomes a water use difference of 9.7 gallons per day.
    • Improved toilets can save a family between 14-17 thousand gallons of water per year.
    • Some cities and utility companies offer incentives ranging from $25-100 or free toilet replacement.
  • 6. Water Closet Conservation
    • Add bricks or two liter bottles filled with water to your tank to reduce gpf.
    • Add food coloring to the tank, wait 30 minutes.
    • If the bowl is colored then you have a leak fro the tank to the bowl.
  • 7.
    • Toilets made before 1993, use between 3.5 and 8 gallons per flush.
    • Newer toilets use less than 1.6 gpf. This becomes a water use difference of 9.7 gallons per day.
    • Improved toilets can save a family between 14-17 thousand gallons of water per year.
    • Some cities and utility companies offer incentives ranging from $25-100 or free toilet replacement.
  • 8. Kitchen
      • A garbage disposal wastes lots of water. Compost instead.
      • This will also reduce solid waste in waterlines by 50% or more.
      • Do not leave running while washing dishes.
      • Install low-flow faucet aerators.
      • Only run dishwasher when full.
  • 9.
    • Typical dishwasher uses between 8 and 15 gallons per load. High efficiency washer use around 6.
    • The Dishwasher is about 1.4% of typical water use.
    • Faucets represent 15.7% of the typical water use.
    • One drip per second from a faucet will waste 2,700 gallons per year.
  • 10.
    • Use manure and compost as needed by plants to aid healthy growing.
    • Use mulches to prevent evaporation and cool site.
    • Capture Rainwater.
    • Irrigate as needed.
    • Properly maintain plants to keep them healthy.
    Rainwater and Landscape