Water Service Area

We provide direct retail water service to 120,000 accounts, serving areas of Charleston, Berkeley, and Dorchester counties.

Searchable Service Area Map


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

Service Availability for New Development


To find out if water and/or sewer service is available for a property, please complete the Request for Service Availability Letter form

Wholesale Service


We also provide water on a wholesale basis to Joint Base Charleston and the following municipalities / utilities:
  • Berkeley County
  • Dorchester County Public Works
  • Isle of Palms Water & Sewer Commission
  • Mount Pleasant Waterworks
  • St. Johns Water Company (serves Kiawah and Seabrook Islands)
  • Town of Folly Beach
  • Town of Lincolnville
  • Town of Sullivan's Island