One of Gateway City’s important advantages is its superior and reliable water supply system which includes two reservoirs with combined storage capacity of over 7.5 million cubic meters, and a world standard water treatment plant. These facilities will continue to be expanded over time to ensure that Gateway City continues to offer among the highest quality and most reliable year-round water supplies in Thailand. Gateway City customers receive an average treated water supply of average treated water supply of 7 cu.m./ rai / day.