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An Average California Home’s Outdoor Water Usage, Waste & Rain Capture

1379308In order to better educate our San Diego homeowners & customers, we spent a LARGE amount of time last month scouring the web for verifiable data regarding the
Average American’s outdoor water usage, outdoor water waste & potential rainfall capture opportunities … and you’ll be amazed at the data we found!

http://water.usgs.gov/edu/qa-home-percapita.html – Did you know, according to the U.S. Geographical Survey, “the average American uses 80-100 gallons of water a day? That means a typical family of 4 could use up to 146,000 gallons of water every year.”

http://www.epa.gov/WaterSense/pubs/outdoor.html – According to the EPA “The average American family uses 320 gallons of water per day, about 30 percent of which is devoted to outdoor uses.” (“In dry climates such as the Southwest, a household’s outdoor water use can be as high as 60 percent.“)…In addition, some experts estimate that as much as 50 percent of water used for irrigation is wasted due to evaporation, wind, or runoff caused by inefficient irrigation methods and systems.”

http://www2.pacinst.org/gpcd/map.html – According to the California Urban Water Suppliers Water Use Map – “During the month of May 2015, the Average San Diego Family used 150-200 gallons of water per day“… this is at least 100 gallons less than the average American’s daily water usage, and tells a powerful story about how San Diego has changed our daily water consumption habits to better meet our current California drought conditions.

Now that we have some good water usage data, LETS DO SOME QUICK MATH…
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30% of 320 gallons (American Average) is 96 gallons… so the average American Family uses 96 gallons of water per day, devoted to outdoor uses.

But as we learned above, In Southern California’s dry climate, we will assume the outdoor water use to be higher than 30% & lower than 60%… so for this data experiment, lets define it as “50% of our water use per day” is devoted to outdoor uses.

50% of 200 gallons (San Diego Average) is 100 gallons… so the average San Diego Family uses 100 gallons of water per day, devoted to outdoor uses.

SO….

If we take the EPA’s stat of “50 percent of water used for irrigation is wasted due to evaporation, wind, or runoff caused by inefficient irrigation methods and systems.” + the (San Diego Average) of 100 gallons of water use per day for outdoor uses… then 50 gallons of water is being wasted everyday, for every home in San Diego… That’s 1,500 gallons per month & 18,000 gallons of wasted water each year… A Staggering Number!!
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Now lets talk about Rainfall & Rainwater Catchment Opportunities…
Sky rocketing water consumption along with our changing weather patterns, means it is everyone’s responsibility to conserve water. Collecting and storing rain water to irrigate your lawn and garden is a great way to do your part in helping to preserve our environment… and here’s the REAL DATA that supports the importance of this water saving measure for San Diego!

http://www.sandiego.gov/water/conservation/residentialoutdoor/resrainwaterharvesting.shtml – According to SanDiego.gov, the **Rainwater Catchment Rule of Thumb** is… “every 1,000 square feet of roof surface, captures 625 gallons of water, for every 1 inch of rain that falls“… That’s a LOT OF WATER!

http://www.sdcwa.org/annual-rainfall-lindbergh-field – According to the San Diego County Water Authority the average annual rainfall in San Diego is 10.34 inches (NOTE: but during this historic drought, that number has fallen to 5.09 inches)

Now that we have some good rainfall data, LETS DO SOME MORE QUICK MATH…
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If your home has 2,000 sq/ft of roof surface… you will capture 1250 gallons of water, for every 1 inch of rain that falls. Now, using San Diego’s (average rainfall) of 10.34 inches, your rain collection system can capture 12,925 gallons of Rain Water Run-off Each Year… and using San Diego’s (average drought year rainfall) of 5.09 inches, your rain collection system can capture 6,362.5 gallons of Rain Water Run-off Each Year.
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Now here comes the fun part San Diego… with a WRESY Water Recycling System installed in your home, you have the ability to capture 100% of the “waste water” we defined above! That’s 100% of the outdoor irrigation run-off + 100% of the rainfall run-off that is now being captured & recycled back onto your landscaping via your existing irrigation system! What an amazing water saving opportunity WRESY creates for our California Home Owners!

Now that we know the scope of the waste water our homes produce, LETS DO ONE LAST BIT OF MATH!
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With An installed WRESY Water Recycling System, the average (American Home Owner) can capture/recycle… 17,280/gallons from irrigation runoff + 12,925/gallons from rain water runoff = 30,205 Gallons of Water Captured Per Year!

With An installed WRESY Water Recycling System, the average (San Diego Home Owner) can capture/recycle… 18,000/gallons from irrigation runoff + 6,362.5/gallons from rain water runoff = 24,362.5 Gallons of Water Captured Per Year!

We are now in the 4th Year of the drought & with Gov. Brown’s statewide restrictions on water usage, I could not think of a better time to introduce WRESY to our San Diego Community! NOTE: All California Home Owners have been issued a mandatory 12%-36% Reduction in overall water use… and steep fines & penalties went into effect on June 2nd 2015.

If you would like to learn more about WRESY & to see if our recycling system can work for your home, please feel free to give us a call toll-free at (888) 973-7972 or you can email us at info@wresy.com to Schedule Your FREE In-Home Consultation.

Visit www.wresy.com/how-wresy-works/ to watch the “How WRESY Works” Video Presentation.

Thank You for your commitment to San Diego & our limited resources… Now let’s go save some water! 🙂

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