Grand Strand Water & Sewer Authority (GSWSA) provides water and wastewater services to customers in Horry and Marion counties in South Carolina. Customers can pay their bills conveniently through the online portal, by phone, by mail, or in person.
- To pay your Grand Strand Water & Sewer bill online, visit the official eBilling portal at https://ebilling.gswsa.com/.
- For complete bill pay options, account information, and service details, go to https://www.gswsa.com/.
Guest / One-Time Payment Options
While the main online portal requires account registration for full features, Grand Strand Water & Sewer Authority offers several convenient ways to make a one-time payment without creating an online account.
Pay by Phone Call 843-443-8334 to make a payment over the phone during business hours.
Pay In Person at Banks You can pay at any Conway National Bank (CNB), Coastal Carolina National Bank (CCNB), or Anderson Brothers Bank (ABB) branch location. Bring your billing stub. This option is available for non-overdue accounts.
These methods provide quick payment options without needing to register for the online portal.
Online Account Payments
Registered users can access the full eBilling portal to view statements, make payments, enroll in automatic payments, and manage their account 24/7.
To get started:
- Go to https://ebilling.gswsa.com/
- Sign up for a new account or log in
- View your current balance and payment history
- Set up automatic bank draft (AutoPay)
The portal supports secure payments by e-check and credit/debit card.
Pay by Phone
You can make payments or get billing assistance by calling Grand Strand Water & Sewer Authority.
Customer Service & Payments Phone: 843-443-8200 Pay by Phone Line: 843-443-8334
Staff are available Monday through Friday during business hours to assist with payments and account questions.
Pay by Mail
Mail your payment with the remittance stub to: Grand Strand Water & Sewer Authority P.O. Box 2308 Conway, SC 29528
Use the envelope provided with your bill for fastest processing. Do not send cash by mail.
In-Person Payments
You can pay in person with cash at Grand Strand Water & Sewer Authority offices or at participating bank branches.
Main Office 166 Jackson Bluff Road Conway, SC 29526
Marion Office 510 Supply Road Marion, SC 29571
Little River Office 2375 Hwy 111 Little River, SC 29566
Office Hours for Cash Payments: Monday – Friday, 8:00 a.m. to 4:00 p.m.
You can also pay at Conway National Bank, Coastal Carolina National Bank, and Anderson Brothers Bank branches (bring your billing stub).
Automatic Bank Draft (AutoPay)
GSWSA offers Automatic Bank Draft for recurring payments. This convenient option helps ensure your bill is paid on time every month and may help avoid late fees.
Enroll through the eBilling portal or contact customer service for assistance.
Frequently Asked Questions
Can I make a one-time payment without creating an online account? Yes. You can pay by phone at 843-443-8334 or in person at GSWSA offices and participating bank branches (CNB, CCNB, ABB).
What is the phone number for Grand Strand Water & Sewer bill pay? Call 843-443-8200 for customer service or 843-443-8334 to pay by phone.
Where do I mail my Grand Strand Water & Sewer payment? Mail payments to: Grand Strand Water & Sewer Authority, P.O. Box 2308, Conway, SC 29528.
Can I pay my bill in person? Yes. Pay with cash at any GSWSA office (Conway, Marion, or Little River) Monday–Friday from 8:00 a.m. to 4:00 p.m., or at Conway National Bank, Coastal Carolina National Bank, or Anderson Brothers Bank branches.
How do I set up automatic payments? Enroll in Automatic Bank Draft through the eBilling portal at https://ebilling.gswsa.com/ or contact customer service at 843-443-8200.
What should I do if my account is overdue? Overdue payments must be made over the phone or at the GSWSA Administrative Office in Conway.
