According to the U.S. Geological Survey (USGS), less than one percent of the total water on earth is fresh water available for human uses including drinking, transportation, heating and cooling, and industry. The balance of water is not readily available for human use because it is saline (ocean water), tied up in snow, ice, and glaciers, or in other mediums of storage such as water vapor.
There has been a lot of attention brought to water through the drought situation in California but the problem is worldwide. In February the Washington Post published an article: “A ‘megadrought’ will grip U.S. in the coming decades, NASA researchers say”. Scientific American and National Geographic had similar articles.
Every manufactured product requires the use of water at some point of the production and delivery process. For example, some sources estimate that the production of one car requires the use of 39,000 gallons of water. In the U.S., industry uses more than 18.2 billion gallons of water per day. Industrial uses of water include fabricating, processing, washing, diluting, cooling, or transporting a product; incorporating water into a product; or for sanitation needs within manufacturing facilities. Some industry sectors are very water intensive including food, paper, chemicals, refined petroleum, and primary metal producers. But regardless of the end-use, or intensity of use, there is no question that water is a precious and valuable natural resource to industry.
In the U.S., industrial uses of water represent less than 8% of total water use. On a global scale, industrial use of water represents approximately 20% of total water use (70% of water is used in the agriculture sector globally). What’s interesting is that there is a very close relationship between industrial energy and water use. Understanding the ‘energy-water nexus’ is just one way industry can become more aware of its natural resource use, and discover solutions which can be implemented to achieve both energy and water related stewardship objectives.
The diagram below provides more insight into the energy-water nexus. The figure, prepared by researchers at the University of Texas at Austin, illustrates the flows of energy consumed for Direct Water Services and Direct Steam Use in the Residential, Commercial, and Industrial (including Power) sectors. Ultimately, 58% of this primary energy is rejected as waste heat due to losses during electricity conversion and at end-use.
Water use trends summarized by USGS show that as population has increased so has our use of water. What’s promising however is that industrial uses of water have shown declines in recent years. In every industrial sector, there are leading examples of how industry is working to curtail its use of water, not only because it is the right thing to do, but because it makes eco-economic sense.
HARBEC, Inc. has committed to be a water neutral manufacturing facility and company by the end of 2015. HARBEC is continuously striving to enhance the efficiency, productivity, and competitiveness of its operations. Bob Bechtold, President of HARBEC, states, “We are seriously committed to sustainable manufacturing. Like energy, water represents a critical requirement and input into our manufacturing processes. Water is integral to the performance, quality, price, and longevity of every component we make. As such, we place a premium value on water. We also know that water and energy have a very close, symbiotic relationship, particularly in manufacturing environments. As we advance our accountability and stewardship of water, in turn we also further our energy efficiency goals.”
The HARBEC example of industrial leadership for water stewardship is far from unique. Between 2008 and 2012, toy manufacturer Hasbro reduced its water use at their owned and operated facilities by 31 percent. And, to extend their commitment and leadership, Hasbro announced that by the end of 2015 it will partner with its China-based supplier facilities to establish annual water conservation action plans. In another example, between 2000 and 2013 Ford Motor Company reduced water use per vehicle manufactured from one of their Mexico-based facilities by 58%. Companies like Hasbro, Ford, and HARBEC are not reducing water use only in response to the growing global issue of water scarcity. These industrial leaders are taking action on water accountability because it results in lower operating costs, product margin improvement, and more competitive and efficient operations. Unilever, for example, estimates that their reduction of water from manufacturing operations has achieved cumulative supply chain cost avoidance of €26 million since 2008.
In addition to eco-economic water stewardship opportunities “inside the fence,” some companies have chosen to combine their efforts and resources to advocate for water stewardship as business imperative. The efforts of the Blue Business Council in California, represented by companies including Patagonia, New Belgium Brewing, Klean Kanteen, Clif Energy Bars, New Resource Bank and others, is reflective of how business and industry understand that the economic opportunity of water resides in the stewardship of this precious resource.
Opportunities for water stewardship (economic, environmental, innovation and societal impacts) are limitless. Just as leading companies are hard at work to reduce and conserve their water resources, others are continually innovating new products which ensure our standards of water purity and cleanliness are always achieved. Companies such as Pall Corporation, Aquatech, Pentair, and many others are developing innovative products to serve the clean water requirements of industry.
In short, water stewardship is big business. The question is, how much of it has been YOUR business?‹ Back To All Blog Posts
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