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2019 Sustainability Report

Water

It is our responsibility to optimize water use through conservation and reuse.

Water

We feel it is our responsibility to optimize water use not only in water-stressed regions of the world but in all of our facilities through conservation and reuse.

Our water management approach is based on a global mapping process that enables us to establish relative water withdrawal and discharge risks in our portfolio.

Typically, our water withdrawal risks are associated with sites that have a higher water intensity and are operating in water-stressed areas. The majority of our operations have low water-use impacts and are not subject to restraints. 

Risks we evaluate include:

  • Availability of clean water resources;
  • Local water restraints, especially in water-stressed regions;
  • Water quality; and
  • Regulatory and financial impacts, including constraints from local communities, other water users, the ability to obtain water rights and permits, and regulatory restrictions.

We rank our sites based on water usage, scarcity risk and other factors, and we update the ranking each year to reflect water usage changes and sites that are acquired or sold.   

To address our water risks, we ensure water consumption is a focus at all plants – not just those considered higher risk – by including the metric in each plant’s environmental scorecard. This increases visibility into our water use at the local, regional and global level and also encourages our employees to remain engaged and committed to conserving this valuable resource.

Much of the water we use is for equipment cleaning rather than products, and we are improving our processes to require less cleaning while maintaining our high quality standards. We continue to evaluate additional opportunities to reuse wash water in our processes and products.

We are moving toward manufacturing more water-based coatings compared to solvent-based ones. While this may cause our water consumption to increase, the net environmental benefit will be positive.

Our goal is a 20% reduction in water intensity by 2025 from a 2017 baseline. In 2019, our intensity was 4.5 cubic meters per metric ton of production, which was 2.8% lower than 2017. Globally, we withdrew 17.5 million cubic meters of water during the year, which is a 2.7% reduction compared to prior year.  

We manage our discharges to water according to local regulations, and we monitor and report water quality as required. In some cases, we are required to treat discharge water prior to release.

Some of our operations are located near waterways, such as rivers or streams. To address this risk, we focus on spill elimination and spill control and response. (See the spills section under Waste.) 

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Water Intensity

Cubic meters per metric ton of production

2015

4.23

2016

3.85

2017

4.59

2018

4.33

2019

4.46

Data changes from prior reporting reflect adjustments for acquired and divested locations from the 2017 baseline onward.

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Water Consumption – All Sources

Million cubic meters

  Withdrawn Discharged

Net Consumption
(withdrawn minus discharged)

2015

20.01

16.47

3.54

2016

19.40

11.44

7.96

2017

18.95

8.19

10.76

2018

17.99

8.65

9.34

2019

17.51

8.12

9.39

Water withdrawal and water discharge data are provided by each location on a monthly basis using best available data, including direct measurements when possible. Data changes from prior reporting reflect adjustments for acquired and divested locations from the 2017 baseline onward.

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2019 Water Withdrawn – All Sources

Source

Amount Withdrawn
(million cubic meters)

Surface water

5.38

Groundwater

7.25

Seawater

0

Produced water

0

Third-party water

4.88

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2019 Freshwater Consumption

Source

Amount
(million cubic meters)

Municipal water withdrawn

4.88

Fresh surface water withdrawn

5.38

Fresh groundwater withdrawn

7.25

Water discharged

8.12

Net freshwater consumption

9.39

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Water Usage in Water-stressed Regions

  Percent of Total Withdrawn Percent of Total Consumed

2016

6.1

7.7

2017

5.0

3.7

2018

5.0

4.2

2019

5.2

4.3

Data is not available for 2015. Included facilities are located in North America, South America, Europe, Australia and Asia. Data changes from prior reporting reflect adjustments for acquired and divested locations from the 2017 baseline onward.

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Water Non-Compliances

  Number

2015

1

2016

5

2017

5

2018

3

2019

6

Data covers non-compliances associated with water quality permits, standards and regulations.

Recycled and reduced

Recycled and reduced

In Tianjin, China, our Industrial Coatings plant used ingenuity and hands-on tactics to reduce its water consumption during 2019.

The location is now using recycled, high-quality water from the final step in the cleaning process to replace deionized water previously used to clean equipment between batches. The change has reduced water consumption by 349,658 gallons (1,324 cubic meters) and wastewater by 227,293 gallons (860 cubic meters) annually.

A second project focused on reducing the volume of municipal water used throughout the facility. Fixing leaks, improving the efficiency of the cooling tower and deionized water equipment, and reducing overflow water caused by malfunctioning valves resulted in a 3% reduction in municipal water usage in 2019.

Trial + error = water + energy savings

To reduce water consumption by 400,000 gallons (1,514 cubic meters) and energy use by 31,556 to 47,334 kilowatt hours annually at our Coatings Services location in Waterloo, Iowa, it was a matter of trial and error.

The final spray rinse prior to a coated product going into the cure oven was the location’s largest single burden in tank cleaning and maintenance, requiring cleaning as much as four times per week. After trialing several chemistry solutions to address the ongoing challenges and not achieving success, the technical team switched to eliminating the final spray rinse entirely. Incremental trials indicated that stopping this stage of the process would not create any negative impact to the appearance or performance of the final coating.

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