Information on how to get sewer service from Charleston Water System.
General information about our sewer service, including service area, the difference between wastewater and stormwater, wastewater treatment, and more.
Pretreating industrial waste (from manufacturing plants, food processing plants, or breweries) helps CWS to protect our employees and infrastructure from potential negative impacts.
Learn about requirements for grease traps, food establishments, and fees.
View frequently asked questions about wastewater and learn how submit other questions.
Overview of our capital improvements program, which includes major water and sewer infrastructure projects.