In December, PepsiCo UK and Ethical Corporation held a roundtable debate on corporate water stewardship.
More companies are developing a strong interest in, and strong opinions on water management. My colleague, Isabelle, is devoting her time to researching this further.
Water conscious companies realise the financial rewards of water stewardship. Here are a few of the water savings we have come across:
PepsiCo UK
PepsiCo UK is now working to reduce their water use, while maintaining healthy production. Efficiency has already been realised by managing other processes. They have reduced the starch generated from slicing and washing potatoes to make snack products has reduced the need to import starch from Europe, saving road miles and over £1m in 2007.
Tesco
Waterscan has published some findings from seven years of working with Tesco to improve their water efficiency. Since 2006, Tesco has saved £372,000 by harvesting 182,000m3 rainwater. The 24 systems, with a payback period of 3-4 years, provide Tesco stores with water for vehicle washing and toilet flushing, and reduced the stores’ water consumption by 31%.
Sainsbury's
Over a one-year period, Sainsbury’s managed to cut the water use by 700 million litres. This equates to a financial saving of £1.6m. The result was achieved by installing automatic flushing sensors on urinals, curtailing leakages and reducing toilet cistern capacity.
Impress Metals
Managed to make an annual saving of £40,503 by investigating their use of surface water.
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