Water alert levels Click here to check your water alert Smart WaterSmart Water is a partnership between Hamilton City and Waipa District Councils. During the summer and high demand periods, water alert levels or restrictions are put in place to make sure there is enough water for everyone to use during this time. How can I save water?Frequently asked questionsWater alerts to your inbox - subscribe now!Report water wastersLearn more at www.smartwater.org.nz