How Much Could You Save? Our Water Conservation Library helps you gain a better understanding of how much water you use and how to conserve in and around your home. Start Saving Every year on May 1, the Brownsville Public Utilities Board (BPUB) implements a Stage 1 Voluntary Water Use Restriction in anticipation of the hot South Texas summers. So effective Friday May 1, 2015, BPUB will enter Stage 1 of its drought.. Read More