VAAL TRIANGLE - The Integrated Vaal River System's (IVRS) water levels are stable this week after remaining above 80% for the past two weeks. The Department of Water and Sanitation says the system is currently sitting at 84.0% while it hovered at 84.5% last week. In the preceding year at the same time, the System’s water level was at 60.4%. The IVRS, which consists of 14 dams, is the lifeblood of Gauteng's economy and also supplies Sasol and Eskom with water. Slightly down this week, the Vaal Dam has decreased by 0.7% to 87.9% this week from 88.6% last week. This still compares much better than at the same time last year when the dam was sitting at 38.1%. The Department of Water and Sanitation in Gauteng continued to urge the public to monitor their water use and ensure that the available water is used wisely and in a conservative manner to ensure security of supply.