Sundale Free Range Dairy is the largest private dairy in the Eastern Cape of South Africa. It processes over 120,000 liters of milk per day. An audit was conducted in 2015 to assess energy and water usage and identify efficiency opportunities. Key areas of focus were reducing steam usage by 50%, electrical energy by 20%, and water usage from municipal supply by 50%. Sundale implemented an ozonated water filtration plant to reduce municipal water usage by 75% and achieve a cost savings of R1.35 million annually with an 18 month investment break-even period.