Cannon and Spring Street Water Main Replacement

Update (September 2016): Charleston Water replaced the waterlines on Spring Street and Cannon Street in your community with modern materials.

Replacing the aging waterlines will improve reliability and ensure adequate water pressure for important functions like fire protection. The project was fast-tracked for approval, as we are installing the water main before the City of Charleston begins its streetscaping project in your neighborhood. We scheduled the project in that way to minimize disruption in the community.

We are now beginning the process of connecting homes to the new waterline. This is the last step before the project is finished.

We anticipate the project will last until the first quarter of 2017. Originally, we anticipated completion by the fall of this year, but we’ve experienced some unforeseen issues during the project.

Working in older communities often causes construction delays due to traffic
patterns, unknown underground utilities, and other variables.

We appreciate the community’s patience as we work to improve infrastructure in your neighborhood.

About This Project
Charleston Water System is replacing the aging water mains in Spring and Cannon Streets in downtown Charleston in conjunction with the City of Charleston’s streetscape project

In light of the City's plans to repave both streets, we fast-tracked the water main replacement project, and the City agreed to delay repaving the streets until after the new mains are installed.

Construction began in March and is expected to be complete in November 2016. The new water mains will improve service reliability and fire protection.

Construction will cost an estimated $3.6 million and is funded by water rates. 

Cannon and Spring Street Water Main Replacement Project Map - 2016
Project map - click to enlarge

Construction Information

CWS has contracted Anson Construction to install new eight-inch water mains on Spring and Cannon between King and President Streets. 

  • Work is taking place on both streets at the same time working in the direction of traffic. Work on Cannon will begin at President Street and advance towards King. Work on Spring will start at King and advance towards President.
  • The new mains are being installed in the south lanes of Spring and Cannon using the open cut construction method.
  • On-street parking and one lane of traffic will remain closed around the work areas (typically one or two blocks at a time) on each street. 
  • We will work with residents and businesses to maintain driveway access. 
  • Working hours will be 7am - 6pm, but may vary based on traffic and other circumstances.
Charleston Water System will contact residents and businesses impacted by the project and post updates on this page.

Information about Lead Service Lines and the Project.

The project involves replacing CWS-owned service lines that are made of lead. A service line is the pipe that connects the water main to your home or business. CWS owns the service line from the water main to your meter. The remaining segment from your meter to your home or business is part of the property owner’s plumbing. 

In the older parts of our system, lead service lines still connect the water main to the meter. CWS discontinued the use of lead service lines in the 1930s, and our crews remove all CWS-owned lead service lines they find during a construction project and replace them with modern materials. 

If we remove one of these service lines at your home or business, we will notify you and give you detailed flushing instructions as a precaution. We are also offering testing before and after removal of the lead service line. 

For more information on lead and how we protect you and flushing instructions visit our lead page

How we protect against lead in drinking water

We are committed to providing high quality drinking water, and our water quality exceeds all regulatory requirements. There is no lead in the water supplied by CWS.

We use proven corrosion control measures during the water treatment process to protect you against any lead that may be in your plumbing or our service line. More information is available at our lead page, too. 

We use effective methods to protect you against lead exposure. However, removal of lead service lines has the potential to temporarily disturb the corrosion protection inside your pipes, which is why we are testing the water and asking you to flush as a precaution.