Efforts to Reduce Water Risk
Efforts to Reduce Water Risk
We recognize that access to fresh water is essential for human life and wellbeing and is recognized by the United Nations (UN) as a human right. So, we are aware that water risks in business activities are one of the business issues we face.
We have established a company-wide Working Group (WG) as for our response to water risks as well as climate change.
Upon evaluating water risks for the area where operations are conducted, WGs engage in efforts to reduce water intake and waste water by making effective use of the water appropriate for the risk level.
Using data (Aqueduct Water Risk Data) disclosed by Aqueduct, a global resource research institute, we ascertain whether the area around production facilities is a high-risk area.
In addition, checks are made to ensure that no business sites use water taken from a wetland listed in the Ramsar Convention or any other nationally or internationally proclaimed conservation area, the water source has been identified as having high biodiversity value, such as species diversity and endemism, or total number of protected species, and a high value or importance to local communities and indigenous peoples. As for impacts for which sufficiently accurate information is difficult to obtain for our Group to report on at the current time, we will work to ascertain current conditions giving priority to areas where there is a risk of increased water risk in the future.
Reducing Water Withdrawal and Water Discharges
Primarily at its production facilities, our Group mainly withdraw water from municipal water supplies or other public or private water utilities and ground water for its boiler equipment, parts processing facilities, product cooling, cooling towers, welfare facilities, and other facilities.
Regarding water withdrawal and water discharges, each production facility is responsible establishing its own goals based on the size of the facility and products they produce. We are also revamping our equipment to reuse water as much as possible in each production process.
For example, Fukushima Rubber Co., Ltd. conducted renovation work to reduce the diameter of the groundwater pump, which resulted in an annual reduction in water intake of about 66,000 m3 . We also reduced water intake at the Kuwana Plant by about 18,000 m3 annually by updating equipment.
There were no unplanned water discharges in fiscal 2017.
Total water withdrawal
|Total water withdrawal [million t]||3.91||4.02||3.98|
|Domestic [million t]||3.08||3.19||3.10|
|Municipal water supplies or other public or private water utilities. [million t]||0.16||0.21||0.22|
|Ground water [million t]||2.91||2.98||2.88|
|Oversea [million t]||0.83||0.82||0.88|
Total water discharge and quality by main manufacturing base
|Total water discharge [1000t]||-||678.41||904.99|
|Biological Oxygen Demand (BOD) [t/Month]||3.25||2.39||1.99|
|Chemical Oxygen Demand (COD) [t/Month]||6.83||7.13||6.20|
|Total water discharge [1000t]||-||334.23||309.91|
|Biological Oxygen Demand (BOD) [t/Month]||0.73||0.67||0.86|
|Chemical Oxygen Demand (COD) [t/Month]||1.51||1.31||2.24|
|Hyogo Manufacturing Complex|
|Total water discharge [1000t]||-||111.50||111.92|
|Biological Oxygen Demand (BOD) [t/Month]||0.12||0.19||0.22|
|Chemical Oxygen Demand (COD) [t/Month]||0.33||0.31||0.28|
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