Charleston Water Bill Payment, Phone Number and Office Locations
Use official Charleston Water System resources to pay your water and sewer bill online, by phone, AutoDraft, mail, walk-in counter, drive-thru or night deposit. This guide also explains customer service hours, office locations, emergency reporting, start/stop service, financial assistance, high bill checks and official forms.
If you are searching for Charleston Water Department, the official utility name is Charleston Water System. Choose your need below to reach the correct payment option, phone number, address, emergency route or service form.
Choose one option. The card below will show the best official action, phone number and practical warning.
💳 Pay online — use official Charleston Water System account management
Use this for: checking your balance, paying your bill, viewing past bills and choosing mail or email bill delivery.
Keep ready: Charleston Water System account number, service address and payment method.
After payment: save the confirmation number and check payment history if needed.
Charleston Water Department Quick Facts Before You Pay
Charleston Water System handles water and wastewater billing for its customers. The main customer service number is 843-727-6800. Phone payments and account balance are available 24/7 through the automated phone system, while customer service representatives are available Monday through Friday, 8:00 AM to 5:00 PM, closed holidays.
For in-person service, Charleston Water System lists walk-in, drive-thru and night deposit options at Downtown: 103 St. Philip St. and Hanahan Customer Service Center: 6330 Murray Dr.. Mail payments go to Charleston Water System, P.O. Box 568, Charleston, SC 29402-0568.
What This Charleston Water Department Guide Covers
How to Pay Charleston Water System Bill Online
The safest starting point is the official Charleston Water System Pay page or the Payment Options page. From there, use the official online account management system.
The online system lets customers check balance, make a payment, view past bills and choose bill delivery preference by mail or email. It accepts bank account payments and debit/credit cards including American Express, Visa, MasterCard and Discover.
Open the official payment page
Start from the official CWS Pay page or Payment Options page.
Use the official online account system
Open the official online payment route to pay or review your account.
Enter account details carefully
Use your Charleston Water System account number, service address and payment method exactly as shown on the bill.
Review amount before submitting
Confirm balance, service address, payment method and any timing warning before you complete payment.
Save confirmation
Save the confirmation number, payment date, payment amount and payment method until your account updates.
Charleston Water Bill Pay by Phone Number
To pay by phone, call 843-727-6800 and select option 1. The automated system is available 24/7 and accepts credit or debit card payments using American Express, Visa, MasterCard and Discover.
Before calling to pay
- Keep your Charleston Water System account number ready.
- Have your service address and customer name ready.
- Prepare your credit/debit card or bank information if available.
- Listen carefully for balance and payment confirmation.
- Write down the confirmation number.
- If service was shut off, call customer service after paying.
Charleston Water System Phone Number, Address and Hours
The main customer service number is 843-727-6800. Customer service representatives are available Monday through Friday from 8:00 AM to 5:00 PM, closed holidays. The automated phone payment and account balance system is available 24/7.
For in-person service, Charleston Water System lists downtown and Hanahan office locations. The downtown office is at 103 St. Philip St., and the Hanahan Customer Service Center is at 6330 Murray Dr..
843-727-6800
Billing, payment, balance, emergency and account help.
Monday–Friday
8:00 AM–5:00 PM
Closed holidays.
103 St. Philip St.
Walk-in, drive-thru and night deposit service.
6330 Murray Dr.
Customer Service Center payment location.
Keep Your Bill Ready
Have your account number, balance, service address and payment confirmation ready before calling.
Faster supportEmergency Service Is Available
Charleston Water System says emergency service is available after business hours through the main phone route.
After-hours helpCharleston Water Bill Payment Options Compared
Charleston Water System offers several official payment choices. The best option depends on whether your account is current, past due, shut off, needs automatic payment, or requires in-person support.
| Payment option | Official route | Best for | Practical warning |
|---|---|---|---|
| Online payment | CWS online account system | Balance check, payment, past bills and bill delivery preference. | Does not support recurring scheduled payments. |
| Phone payment | 843-727-6800 option 1 | 24/7 automated payment and balance check. | After-hours payments may credit next business day. |
| AutoDraft | AutoDraft request form | Automatic payment from account each cycle. | Confirm enrollment before skipping manual payment. |
| Mail payment | P.O. Box 568, Charleston, SC 29402-0568 | Non-urgent check or money-order payment. | No debit/credit card payment by mail. |
| In person | 103 St. Philip St. or 6330 Murray Dr. | Walk-in, drive-thru and night deposit service. | Hours are Mon–Fri, 8 AM–5 PM, closed holidays. |
| Authorized locations | Western Union payment locations | Nearby in-store payment option. | $1 fee listed; after 4 PM/weekend/holiday credits next business day. |
Mail, Walk-In, Drive-Thru and Night Deposit Payment
If you lost the return envelope, Charleston Water System lists mail payment to Charleston Water System, P.O. Box 568, Charleston, SC 29402-0568. Mail payments should be checks or money orders only; debit and credit card payments are not accepted through the mail.
For in-person payment, Charleston Water System lists walk-in, drive-thru and night deposit service Monday through Friday from 8:00 AM to 5:00 PM, closed holidays. Locations include Downtown: 103 St. Philip St. and Hanahan: 6330 Murray Dr..
Before mailing or using night deposit
- Write your account number clearly on the check or money order.
- Include the payment stub if available.
- Do not mail cash.
- Do not mail card information.
- Allow postal and processing time before the due date.
- If service was shut off, call customer service after paying.
Charleston Water System AutoDraft Payment
AutoDraft is the better official route if you want recurring automatic payment. Charleston Water System provides an AutoDraft Request form through customer service forms.
Before relying on automatic payment, confirm the AutoDraft is active on your account. Continue paying manually until you see proof that AutoDraft is set up and working.
Before choosing AutoDraft
- Open the official AutoDraft request route.
- Confirm account number and bank/payment details.
- Ask when AutoDraft will begin.
- Keep paying manually until enrollment is confirmed.
- Still review each bill for leaks or unusual usage.
- Update CWS if your bank account changes.
Start or Stop Charleston Water Service
Charleston Water System provides official customer service forms for opening or closing accounts. Use the official Start/Stop Service route if you are moving in, moving out, selling a property, buying a property or changing responsibility for service.
Open official customer service forms
Start from Customer Service and choose the appropriate open/close account form.
Prepare property information
Have service address, account holder name, move date, phone number, email and billing address ready.
Ask about final billing
If selling or moving out, ask how final billing, responsibility date and paid-in-full letters work.
Save submission proof
Keep copies of submitted forms, emails, dates and confirmation details.
Charleston Water Emergency, Sewer Backup or Service Interruption
For emergencies and after-hours service issues, use the main Charleston Water System phone route at 843-727-6800. The official contact page says emergency service is available after business hours.
Charleston Water System also says notice of major or extended service interruptions will be posted on its homepage and automated phone system at 843-727-6800.
843-727-6800
Use for customer service, automated payment, emergency route and after-hours help.
843-727-6800
Dial 1 for emergency and report exact hydrant location.
Check CharlestonWater.com homepage and automated phone system.
For immediate danger, injury, fire or life-safety emergency, call 911 first.
What to tell CWS during an emergency call
- Exact address or nearest cross street.
- Whether the issue is water, sewer, low pressure, outage, hydrant, leak or overflow.
- Whether water is entering a road, home, business or storm drain.
- Whether nearby properties are affected.
- Your name and callback number.
- Any traffic, safety or property-damage issue.
Financial Assistance for Charleston Water Bills
If you are struggling to pay, use the official Charleston Water System customer service and financial assistance resources. Call 843-727-6800 during customer service hours and ask about current assistance, payment options or account support.
Do not wait until the account is already shut off. It is easier to discuss options before the bill reaches a serious disconnection stage.
Before asking for assistance
- Have your account number and service address ready.
- Know your past-due amount and due date.
- Ask about any financial assistance resources.
- Ask whether partial payment or a payment arrangement is possible.
- Save representative names, dates and confirmation numbers.
High Charleston Water Bill, Usage Review or Leak Check
If your Charleston Water System bill is unusually high, first compare current usage with past bills. Then check toilets, faucets, irrigation, outdoor hoses, service line leaks and seasonal water use.
Charleston Water System provides resources such as “How to Calculate Your Water Bill,” rates and fees information, and customer service support. If the bill still does not make sense, call customer service with your account number and recent bill details.
Before calling about a high bill
- Compare current usage with previous bills.
- Check all toilets for silent running.
- Look for leaking hose bibs and irrigation problems.
- Check crawlspace, yard and meter-area signs of leaks.
- Review water and sewer charges separately.
- Call 843-727-6800 if the usage still looks wrong.
Charleston Water Rates, Sewer Charges and Payment Timing
Charleston Water System publishes rates and fees resources for customers. If your total bill changed, review whether the difference came from water usage, wastewater/sewer charges, account fees, service changes or payment timing.
Payments made on weekends, holidays or after 5:00 PM may be credited the next business day. If the bill is already late or service was shut off, call customer service after payment so your account status can be reviewed.
When to check rates or call customer service
- Your bill increased but usage seems normal.
- You need to compare water and wastewater charges.
- You are starting or stopping service.
- You need a paid-in-full letter or responsibility date letter.
- Your payment was made after hours and has not posted yet.
Official Charleston Water Department Links and Billing Resources
Use these official resources first. They help avoid unrelated third-party payment processors, outdated phone numbers, wrong addresses and non-official payment instructions.
💧 Charleston Water System
Official website for payments, customer service, start/stop service, rates, emergencies and forms.
Open CWS Website💳 Pay My Bill
Official payment page covering online, in-person, phone, mail and AutoDraft options.
Open Pay Page📌 Payment Options
Official page explaining where and how to pay, including phone, in-person and TDD access.
Open Payment Options⚡ Online Payment
Official online payment resource for account balance, payment, past bills and bill delivery.
Open Online Payment☎️ Contact CWS
Official contact page with customer service phone, emergency information and service hours.
Open Contact Page🚨 Emergencies
Official emergency information for water emergencies, service interruptions and urgent issues.
Open Emergency InfoCharleston Water System Downtown Office Map
The Downtown Charleston Water System office is listed at 103 St. Philip St.. Use this location for walk-in, drive-thru and night deposit service. A second customer service center is listed at 6330 Murray Dr., Hanahan.
Charleston Water System Downtown Office
Use this map for 103 St. Philip St., Charleston, SC.
Charleston Water Phone, Address, Hours and Payment Details
Use this quick table when you need to pay, call, mail, visit, start/stop service, report an emergency or check official resources.
| Need | Official detail | Best action |
|---|---|---|
| Customer service / phone pay | 843-727-6800 | Call option 1 for automated payment or balance; use business hours for representative help. |
| Customer service hours | Monday–Friday, 8 AM–5 PM | Call for billing, service and account help during representative hours. |
| Online payment | Online payment page | Use for balance, bill payment, past bills and delivery preference. |
| Payment options | Where & How To Pay | Compare phone, online, mail, in-person and AutoDraft. |
| Mail payment | P.O. Box 568, Charleston, SC 29402-0568 | Use for check or money-order payment only. |
| Downtown office | 103 St. Philip St. | Use for walk-in, drive-thru and night deposit service. |
| Hanahan office | 6330 Murray Dr. | Use as an additional customer service payment center. |
| TDD access | 1-800-735-8583 | Use for TDD phone access if needed. |
FAQs About Charleston Water Department Bill Pay
How do I pay my Charleston Water System bill online?
Use the official Charleston Water System Pay page or Online payment page to access the secure online account management system, check balance, make a payment and view past bills.
What is the Charleston Water System customer service phone number?
The main customer service phone number is 843-727-6800.
Can I pay my Charleston water bill by phone?
Yes. Call 843-727-6800 and select option 1 to check your balance or make a payment through the automated phone system.
What are Charleston Water System customer service hours?
Customer service representatives are available Monday through Friday from 8:00 AM to 5:00 PM, closed holidays. Phone payments and account balance are available 24/7.
Where is the Charleston Water System downtown office?
The downtown office is listed at 103 St. Philip St. Charleston Water System also lists a Hanahan Customer Service Center at 6330 Murray Dr.
Where do I mail a Charleston water bill payment?
Mail checks or money orders to Charleston Water System, P.O. Box 568, Charleston, SC 29402-0568.
Does Charleston Water System accept credit cards by mail?
No. The official mail-payment page says checks or money orders only and debit/credit card payments are not accepted through the mail.
What should I do if my water service was shut off and I paid at an authorized location?
Call Charleston Water System customer service at 843-727-6800 after making the payment so the account can be reviewed.
How do I report a damaged or leaking fire hydrant in Charleston?
Call 843-727-6800 and dial 1 for emergency. Be ready to report the exact hydrant location.
Is this page the official Charleston Water System website?
No. This is an independent informational guide. Use the official CharlestonWater.com links in this article for payments, account help, service requests and emergencies.
Best Way to Pay Charleston Water Department Bill in 2026
The best official route is to start from the Charleston Water System Pay page, the Payment Options page, or the official Online payment page.
For customer service, payment by phone, account balance or emergency routing, call 843-727-6800. For in-person service, use the downtown office at 103 St. Philip St. or the Hanahan Customer Service Center at 6330 Murray Dr..
Important Notice: This article is an independent informational guide and is not Charleston Water System, Charleston Water, a payment processor, emergency dispatcher or official utility service. Payment links, phone numbers, office hours, mail addresses, payment-location rules, emergency routing, service forms, assistance programs and utility policies can change. Always verify urgent or official matters directly with Charleston Water System before acting.