Grand Strand Water & Sewer Authority (GSWSA) supplies safe drinking water and manages wastewater services for residential and commercial customers across Horry, Marion, and Georgetown counties in South Carolina. Monthly bills include usage charges with a clear due date printed on each statement. Timely payment prevents late fees and service interruptions.
- For the most current details on accounts and billing, visit the official Bill Payment Options page at https://www.gswsa.com/customer-service.cfm?page=82 where you can review all available methods and instructions.
- You can also pay your bill securely through the official ebilling portal at https://ebilling.gswsa.com/ for direct online access and account management.
Online Bill Pay Portal
Grand Strand Water & Sewer Authority offers convenient 24/7 online bill pay through its secure ebilling portal at https://ebilling.gswsa.com/. New users sign up with the information from their monthly statement to create an account. Once registered, you can view current and past bills, track usage history, enroll in paperless e-billing, and make payments using e-check (ACH) or credit/debit cards. Payments are processed securely and typically post the same or next business day. The portal is fully secure and mobile-friendly. External third-party bill pay services are not associated with GSWSA and may cause delays or extra fees.
Automatic Bank Draft
Enroll in free Automatic Bank Draft through the ebilling portal or by contacting customer service. This option automatically deducts the billed amount from your checking or savings account on the due date each month, eliminating missed payments and late fees. You can modify or cancel the draft anytime through the portal or by calling the office.
Pay by Phone
Pay your bill over the phone by calling 843-443-8334. The automated system accepts credit/debit cards or e-check payments. For billing questions or assistance, the same number connects you to representatives during business hours.
Mail Payments
Mail your payment stub with a check or money order (payable to Grand Strand Water & Sewer Authority) to the billing address: P.O. Box 2308 Conway, SC 29528
Include your full account number on the check. Do not send cash. Allow 5–7 business days for mail delivery and processing. This option is completely fee-free. Use the envelope provided with your printed bill for accuracy.
In-Person Payments at GSWSA Offices & Bank Branches
Cash payments are accepted at all GSWSA office locations Monday through Friday from 8:00 AM to 4:00 PM. Bring your billing stub for faster processing.
Office locations include:
- Main Office: 166 Jackson Bluff Rd, Conway, SC 29526
- Marion Office: 510 Supply Rd, Marion, SC 29571
- Little River Office: 2375 Hwy 111, Little River, SC 29566
You can also pay your bill in person at any branch of Conway National Bank (CNB), Coastal Carolina National Bank (CCNB), or Anderson Brothers Bank (ABB) in Horry County. Provide your billing stub and ensure your account is not overdue (overdue payments must be made by phone or at a GSWSA office). All in-person payments at approved locations are fee-free from GSWSA.
Contact Customer Service
Reach Grand Strand Water & Sewer Authority customer service at 843-443-8200 (main line, also for after-hours emergencies) Monday through Friday during business hours. For billing-specific questions, call 843-443-8202. Fax: 843-347-4680. The main physical address is 166 Jackson Bluff Rd, Conway, SC 29526. Email inquiries can be submitted through the Customer Care Ticket form on the official website.
Frequently Asked Questions
Can I pay my Grand Strand Water bill online without creating an account? The ebilling portal requires a one-time signup using your billing information for full access and online payments.
What payment methods does Grand Strand Water & Sewer Authority accept? The portal accepts e-check (ACH) and credit/debit cards. Mail and in-person accept checks or money orders. Cash is accepted at offices and approved bank branches.
Are there convenience fees for Grand Strand Water payments? No convenience fees are charged by GSWSA for official online, phone, mail, or in-person payments at approved locations.
Where do I mail my Grand Strand Water payment? P.O. Box 2308, Conway, SC 29528. Always include your account number on the check.
What are the in-person payment hours? Monday–Friday, 8:00 AM–4:00 PM at GSWSA offices and approved bank branches (Conway National Bank, Coastal Carolina National Bank, Anderson Brothers Bank).
How do I set up Automatic Bank Draft? Enroll through the ebilling portal or contact customer service. It is free and deducts automatically on the due date.
What services does Grand Strand Water & Sewer Authority provide? Safe drinking water supply and wastewater services across Horry, Marion, and Georgetown counties in South Carolina.
How do I get help with payment arrangements or billing issues? Call 843-443-8200 or 843-443-8202 during business hours. Flexible arrangements are available through customer service.
