Municipal Department
City of Columbia Water
Serving Columbia
Population served
354,068 people (EPA SDWIS active CWS PWS SC4010001)
State system code
FIPS 45
Billing frequency
Monthly; water, sewer, and stormwater are billed on the City utility statement.
Provider briefing
How this utility’s billing works
City of Columbia Water operates as a municipal department serving Columbia. Customers should use the provider’s current account-specific bill and official customer-service instructions as the final authority for deadlines, balances, and service requests.
The published water-rate framework is described as Flat base charge for the first three 100-cubic-foot units, followed by increasing volume bands; July 1, 2026 rates vary by meter size and in-city/out-of-city location.. Bills are generated monthly; water, sewer, and stormwater are billed on the city utility statement., and a typical residential cost reference is For a standard in-city 5/8-inch meter, the water base is $10.37 for the first three units; additional residential units are $3.72 in the next band, before sewer and stormwater.. These descriptions are useful planning benchmarks; actual charges can change with meter size, usage, sewer averaging, local taxes, drought stages, or account-specific fees.
Wastewater and sewer calculation
Sewer has a meter-size/location base fee plus $5.38 per 100-cubic-foot unit in-city or $9.18 out-of-city; water consumption is the usage basis, and stormwater is separate.
Meter and infrastructure notes
Columbia publishes separate standard-meter and AMI-meter rate tables; the reviewed pages did not identify one universal AMI vendor or read interval.
Emergency water support
Report a leak or water emergency
803-545-3300 for Columbia Water customer care/emergency routing.
Official starting point
Choose the right next step
Reading this profile
A practical reference for Columbia
City of Columbia Water is listed here as a municipal department. The profile separates account actions—such as paying a bill or requesting service—from explanatory material about rates, meters, wastewater, leaks, and delinquency.
Because utility rules can vary by account class, meter size, service address, billing date, and local ordinance, treat the published bill and current provider website as the final authority. Use this profile to locate the correct channel and prepare better questions for customer service.
If your issue is urgent, start with the provider’s emergency number or official payment route rather than waiting for an email response. Keep a written record of calls, confirmation numbers, notice dates, and documents you submit.