The San Francisco Public Utilities Commission owns and operates more than 1,200 miles of water pipelines in San Francisco. Those pipes, also called water mains, deliver high quality drinking water to your tap. Many of those water mains are aging and need to be replaced. Some are almost 100 years old. The process of replacing those water mains involves multiple steps, so construction will not occur continuously. Crews will need to return to the same block several times to work, often with months between visits. If we are doing water main replacement work in your area, it will ensure that your