Quarry Southern Africa July 2018 | Page 30

WATER WATER IN THE BIG PICTURE As quarries deepen, water management becomes critical, writes Ismail Mohamed. A s the improved economic mood both locally and globally raises hopes of increased government investment in infrastructure and roads, many quarries may soon be looking to expand production. As quarries expand and become deeper, however, the management of water becomes more demanding. While the water-related impacts of quarries tend not to be as extensive as most conventional mining operations, there are a range of risks that make it vital for quarries 28 _ QUARRY SA | JULY/AUGUST 2018 to develop and implement sound water management plans. Water use licences are an important aspect of this discussion, while the growing awareness of water scarcity in South Africa is also pushing all businesses to pursue more efficient use of this valuable resource. Water use licences govern critical areas such as the water quality requirements, the supply limits, the way that water is stored, and any disturbances to the water course. These stipulations need to be carefully negotiated with the Department of Water and Sanitation to ensure that they are realistic and achievable. The stipulations also feed into the Environmental Management Plan, another important aspect of compliance. Regulating water use The bottom line is that water management has become highly regulated, and all commercial operations that deal with water — whether surface water or groundwater —