Water Service

Charleston Water System provides direct retail water service to 110,000 accounts, serving areas of Charleston, Berkeley, and Dorchester Counties.

Searchable Service Area Map New!

To find out if a home, business, or vacant lot is in our water and/or sewer service area, open the map and search the address.
View service area map >>

Wholesale Service

Charleston Water System also provides water on a wholesale basis to the Department of Defense and the following municipalities/utilities:

  • St. Johns Water Company (serves Kiawah and Seabrook Islands)
  • Mount Pleasant Waterworks
  • Dorchester County Public Works
  • Town of Folly Beach
  • Town of Sullivan's Island
  • Isle of Palms Water & Sewer Commission

Charleston Water System is a member of the Partnership of Safe Water and has won many honors and awards for operational excellence.

©2013 Charleston Water System