Customer Service & Emergencies:

(843) 727-6800

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

Non-Emergency Customer Service Email

customerservice@charlestoncpw.com
We can provide many services via e-mail. Call (843) 727-6800 for immediate assistance.

Connect With Us on Social Media

Twitter (@ChasWaterSystem) and Facebook

Department Contacts

These departments can't answer questions about customer accounts. Call (843) 727-6800 for account assistance. 

Department	Phone / Email / Forms
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 & Records Management	(843) 727-6911 | Email
Engineering - New Development	(843) 727-6869 | Forms
Construction	(843) 727-6867
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 (Lost envelope)
Charleston Water System
PO Box 568
Charleston, SC 29402

Office Locations

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

North Area Customer Service Branch Office
6296 Rivers Ave.
Charleston, SC 29418
Map
- Walk-in, drive-thru, and night deposit
- Hours: M - F 8am - 5pm, closed holidays

Operations Center
1256 Supply Street
Charleston, SC 29405

Holidays

Our offices close for the following holidays. If the holiday falls on a weekend, we'll be closed on Friday or Monday.

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