Contact Us

Customer Service & Emergenciess:

• (843) 727-6800
• Phone payments and account balance available 24/7
• Customer service representatives available Mon - Fri, 8am - 5pm (closed holidays)
• Emergency service available after business hours

Non-Emergency Customer Service Email

customerservice@charlestoncpw.com

Social Media

Twitter  |  Facebook  |   YouTube  |  LinkedIn |  Instagram

Departments

Only Customer Service contacts can discuss customer accounts.

Customer Service
(843) 727-6800 | Email | Forms 

Customer Service - Administrative Assistant
(843) 727-6845

Accounting/Finance
(843) 727-6919

Cross-Connection Control (Backflow)
(843) 727-7148 | Email | Forms

Claims & FOIA Requests
(843) 727-6911

Engineering - New Development
(843) 727-6869

Construction    
(843) 727-7144

Executive Office    
(843) 727-6856

Human Resources    
(843) 727-6851 | Apply for a Job | Email

Laboratory    
(843) 863-4040

Communications & Media Relations
(843) 323-1803 | Email

Purchasing    
(843) 727-6894

Safety Compliments & Concerns
(843) 727-7184 | Email

Wastewater Collection    
(843) 308-8200

Water Distribution    
(843) 308-8258

Mailing Addresses

 General Correspondence
Charleston Water System
PO Box B
Charleston, SC 29402

Bill Payments
Charleston Water System
PO Box 568
Charleston, SC 29402

Office Locations
Main Office Customer Service Office (Downtown)
103 St. Philip Street, Charleston, SC 29403
   - Walk-in, drive-thru, and night deposit
   - M - F,  8am - 5pm

Customer Service Center (Hanahan)
6330 Murray Drive, Hanahan, SC 29410
   - Walk-in, drive-thru, and night deposit
   - M - F,  8am - 5pm

Hobson Operations Center
1256 Supply Street, Charleston, SC 29405

Holiday Closures

  If a holiday falls on a weekend, we'll be closed Friday or Monday.

• New Year's Day
• Martin Luther King Day
• Presidents' Day
• Good Friday
• Memorial Day
• Juneteenth
• Independence Day
• Labor Day
• Veterans Day
• Thanksgiving and the day after (closed 2 days)
• Christmas Eve and Christmas Day (closed 2 days)