Columbia Water Bill Help Center: Pay CWA, Start Service, Fix High Bills & Report Sewer Spills
This guide is for City of Columbia, South Carolina water, sewer and stormwater customers who need to pay a bill, register for Customer Web Access, use phone pay, start or stop service, understand 2026 rates, request assistance, or report a water/sewer problem.
Use the action cards first. Every step includes the official Columbia Water link, phone number, address or form path right beside the task, so the page works like a practical utility dashboard instead of a paragraph-heavy article.
Fast answer: City of Columbia water, sewer and stormwater bills can be paid through Customer Web Access, by phone at 1-866-942-6729, by mail to PO Box 7997, Columbia, SC 29202, in person at 3000 Harden St., or by drop box at the Payment Center. For account help, call 803-545-3300.
If the bill is past due or unusually high: pay through a fast official method, keep confirmation proof, call Customer Care, and check assistance/dispute-related options before waiting. If you smell sewage, see a sewer spill, lose water, or have water quality concerns, call 803-545-3300 right away.
City of Columbia Water Bill Quick Facts
Columbia Water Bill Action Board: Click the Right Official Step
Start here. Each card gives the task, the official link or phone number, and the mistake to avoid.
I want to pay now
Use Customer Web Access to view and pay water, sewer and stormwater bills 24/7.
Open CWA portalI need all payment options
Compare online, phone, mail, walk-in, drop box, The Mailroom and bank draft rules before choosing a payment path.
Payment optionsI cannot register online
Use the CWA FAQ. Registration must match your last name/business name and full account number exactly as shown on the bill.
CWA registration FAQI need help paying
Check the Customer Assistance Program if you are a Columbia Water customer in critical financial need with a past-due bill.
Assistance programI smell sewage or see a spill
Call immediately and report the address, cross-streets, local landmarks and phone number if you can be reached.
Call 803-545-3300I need service started or stopped
Use the official new/transfer or stop-service rules. Processing can take business days, so do not wait until move-out day.
Start / transfer serviceHow to Pay a City of Columbia Water, Sewer or Stormwater Bill
| Payment method | Use when | What to prepare | Official action |
|---|---|---|---|
| Customer Web Access | You want to view/download bills and make real-time online payment. | Full account number, exact name from bill, card/e-check details. | Pay online |
| Phone payment | You want 24/7 automated credit/debit card phone payment. | Credit/debit card and City of Columbia customer account number. | Call 1-866-942-6729 |
| Walk-in Payment Center | You need in-person help or want to pay by cash/check/money order/card. | Bill, account number, payment method and ID if needed. | 3000 Harden St., Columbia, SC |
| You are not close to a due date or service deadline. | Check/money order and bill stub/account number. | PO Box 7997, Columbia, SC 29202 | |
| Drop box | You need after-hours drop-off at the Payment Center. | Check or money order only; include account number. | 3000 Harden St., Columbia, SC 29201 |
| Bank draft / EasyPay | You want no-fee automatic deduction from checking/savings. | EasyPay application, signed form and voided check. | EasyPay forms |
Customer Web Access: Register Without Account-Match Problems
Open the official CWA portal
Use the city’s Customer Web Access portal for water, sewer, stormwater and other eligible city account payments.
Open CWAUse the latest bill
The city FAQ says you need a copy of the most recent bill to retrieve the full account number.
Read CWA FAQMatch the name exactly
Enter last name or business name and account number exactly as they appear, including spacing, dashes and capitalization.
Registration ruleUse e-billing if useful
CWA lets customers sign up for e-billing and receive email notices when the bill is ready to view online.
Sign in / registerColumbia Water Bill Payment Fees and Posting Timing
Online card
Credit/debit cards through online payment are listed with a fee of $1 plus 1.7% of the bill balance.
Fee detailsPhone pay
Phone payment has a $4.00 per transaction fee and may take 2 business days for account records to update.
Call IVRWalk-in card
In-office debit/credit uses VPS convenience fees. Cash, check and money order are listed with no city fee at the Payment Center.
Payment Center2026 Columbia Water, Sewer and Stormwater Bill Basics
Columbia Water tracks usage in units of 100 cubic feet. One unit equals 748.052 gallons. Rates became effective July 1, 2026, and the bill can include water, sewer, stormwater, and location-based charges.
| Bill item | Official 2026 detail | What it means | Official action |
|---|---|---|---|
| Usage unit | 1 unit = 100 cubic feet = 748.052 gallons. | Meter reads are not billed in normal “gallons” on the bill. | Current rates |
| First 3 water units | All customers are charged a flat fee for up to the first 3 units. | Low usage can still have a base water charge. | Rate sheet |
| In-city 5/8” water base | $10.37 for 5/8-inch in-city water base charge. | Common residential meter example; larger meters cost more. | Check meter size |
| In-city residential additional water | $3.72 per unit for units 4–100. | Extra usage after the first 3 units adds volume charges. | Review usage section on bill. |
| In-city sewer | 5/8-inch sewer base $10.37; sewer use $5.38 per water unit. | Sewer can be a major part of the total bill. | Sewer rates |
| Stormwater | Single Family Residential Unit base fee listed as $15.03/month. | Stormwater is tied to property runoff/impervious area, not faucet usage. | Stormwater fees |
Simple Columbia Water/Sewer Usage Estimator
Use this only for quick planning for an in-city 5/8-inch residential example. Actual bills may include different meter sizes, stormwater, out-of-city rates, hydrant/fire fees, past-due balances, deposits, adjustments or other account-specific items.
The city bills in complete 100 cubic-foot units. Partial usage can carry forward into later billing periods.
High Columbia Water Bill: What to Check Before Calling
Inside leak check
- Running toilet or worn flapper.
- Faucet, shower or tub drip.
- Water heater leak or relief valve.
- Washer, ice-maker or crawlspace pipe leak.
Outdoor use check
- Sprinkler or irrigation schedule changed.
- Hose left on.
- Pool filling or pressure washing.
- Wet ground near meter or service line.
Meter-reading check
Columbia Water says meters read in cubic feet and bills use complete 100-cubic-foot units. Compare the meter, billing period and units used before assuming the amount is wrong.
Read my bill guideHigh-bill call script
City of Columbia Customer Assistance Program for Past-Due Water Bills
What it can pay
The Customer Assistance Program can pay up to 75% of a water or sewer bill, up to $1,000, for qualifying Columbia Water customers in critical financial need.
Program detailsBasic eligibility
Eligibility includes single-family residential customer status, at least 6 months payment history, and income at or below 80% Area Median Income for Richland County.
Check eligibilityHow to start
Call Customer Care at 803-545-3300, ask about the Customer Assistance Program, and send completed documentation to CAP@columbiasc.gov.
Email CAP documentsStart or Transfer City of Columbia Water Service
Use the online application
Columbia Water says water accounts can be opened or transferred by completing the new online application form.
Start / transfer serviceAllow processing time
The city says to allow two business days from contract submission for processing, unless more information is needed.
Processing rulePrepare required info
Have service address, account name, mailing address, last five digits of SSN, service start date and contact phone ready.
Call 803-545-3300Know first-bill fees
The city lists a $30 processing fee and an additional $15 connection fee added to the first bill.
First bill detailsStop Columbia Water Service and Avoid Paying After Move-Out
Call to stop service
Call Customer Service at 803-545-3300 between 8:30 a.m. and 6:00 p.m., Monday through Friday.
Stop service guideAccount holder only
Only the account holder can terminate service, and identity/account information must match before the request is processed.
Call Customer ServiceFinal bill rule
Columbia Water says only bills marked “Final Bill” terminate your financial responsibility for the service.
Final bill ruleSewer Overflow, Water Quality Concern or Boil Water Advisory
| Problem | What to do | Official action |
|---|---|---|
| Sewer spill or sewer smell outside | Call immediately. Give address, cross-streets, landmarks and phone number if willing. | Call 803-545-3300 |
| Cloudy, bad-taste or discolored water | Call Customer Care. Columbia Water says hydrant flushing may be needed after construction or maintenance. | Drinking water FAQ |
| Need water quality testing | Customer Care can submit a service request for parameters such as fluoride, chlorine or bacteria. | Water testing info |
| Boil water advisory | Check active advisories before using water after major interruptions or depressurization events. | Boil water advisories |
| General service request | Call, email Customer Care, or create an online service request at any time. | Customer Care |
Water/Sewer Taps, Hydrant Meters and Property Service Work
New taps
For water meter and sanitary sewer taps, property owners should contact Special Services / Engineering to confirm availability and fees.
Water meter & sewer tapsHydrant meter
Property owners can submit the Fire Hydrant Meter Application for hydrant meter rental needs.
Hydrant meter detailsFlow testing
Columbia Water lists a Water Pressure Request Form and a $175 fee per fire hydrant flow test request.
Call 803-545-3400City of Columbia Payment Center Map and Visit Plan
Use the Payment Center at 3000 Harden St. for in-person water, sewer and stormwater bill payments. Bring your bill, account number, ID if needed, payment method, payment confirmation, past-due notice, assistance documents or service-transfer details.
Payment Center
3000 Harden St., Columbia, SC. Walk-in hours are listed as 8:30 a.m.–5:00 p.m., Monday–Friday.
General Columbia Water contact
Columbia Water lists 1401 Main St., Columbia, SC 29201, and Customer Care at 803-545-3300.
Call first for account risk
If the bill is late, service is interrupted, or payment posted slowly, call Customer Care before driving or mailing anything.
Official City of Columbia Water Bill Links Used in This Guide
City of Columbia Water Bill FAQ
How do I pay my City of Columbia water bill online?
Use the official Customer Web Access portal at cwa.columbiasc.gov/cwa. You can view and pay Columbia Water, sewer and stormwater bills online.
What phone number do I call to pay a Columbia water bill?
Call the IVR payment system at 1-866-942-6729. The city lists a $4.00 fee per phone transaction and says payments may take two business days to update account records.
What is the Columbia Water Customer Care number?
Call 803-545-3300 for Columbia Water billing help, service questions, concerns, sewer spill reports, water quality concerns or service requests.
Where can I pay my Columbia water bill in person?
The Payment Center is listed at 3000 Harden St., Columbia, SC, with walk-in hours of 8:30 a.m. to 5:00 p.m., Monday through Friday.
What are the online Columbia water bill payment fees?
Columbia Water lists online credit/debit card payments with a fee of $1 plus 1.7% of the bill balance, and online electronic check payments at $2.50 per transaction.
How do I register for Columbia Customer Web Access?
Use your most recent bill and enter the last name or business name plus full account number exactly as they appear, including spacing, dashes and capitalization.
Is there help for a past-due Columbia water bill?
Yes. The Customer Assistance Program may pay up to 75% of a qualifying water or sewer bill up to $1,000 for eligible Columbia Water customers in critical financial need.
How do I start or transfer Columbia Water service?
Complete the online new/transfer service application. Columbia Water says to allow two business days from contract submission and to prepare service address, account name, mailing address, last five digits of SSN, service date and phone number.
How do I stop Columbia Water service?
Call Customer Service at 803-545-3300 between 8:30 a.m. and 6:00 p.m., Monday through Friday. Only the account holder can terminate service, and only a bill marked “Final Bill” ends financial responsibility.
Who do I call for a sewer spill or water quality problem in Columbia?
Call Columbia Water Customer Care at 803-545-3300. For sewer spills, report the address or closest cross-streets, landmarks and a phone number if available.