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