Public Water Authority
Charleston Water System
Serving Charleston and surrounding Charleston Water System service territory
Population served
327,422 people (EPA SDWIS PWS ID SC3210001-related 2026 active CWS queue entry).
State system code
FIPS 45
Billing frequency
Monthly utility billing is used for standard CWS customer accounts; account timing may vary by meter cycle.
Provider briefing
How this utility’s billing works
Charleston Water System operates as a public water authority serving Charleston and surrounding Charleston Water System service territory. 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 Municipal metered water and wastewater charges with fixed customer/service charges and usage-based rates. CWS budget material identifies January 1, 2026 rate changes and separate inside/outside-city schedules.. Bills are generated monthly utility billing is used for standard cws customer accounts; account timing may vary by meter cycle., and a typical residential cost reference is A dedicated this detail was not publicly posted. The reviewed 2026 CWS material did not expose one representative 5,000-7,000 gallon household total in accessible page text.. 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
Water and wastewater are billed as separate CWS components, with stormwater charges historically appearing on the water bill and transitioning to County tax billing for the 2026 service year. No universal winter-average formula was exposed.
Meter and infrastructure notes
CWS bills from metered consumption; the reviewed public pages did not identify a universal AMI vendor, hourly interval, or reading calendar.
Emergency water support
Report a leak or water emergency
A dedicated this detail was not publicly posted. Use Charleston Water System’s current official emergency/customer-service route for main breaks, leaks, and water-quality events because the reviewed pages did not expose one verified standalone number.
Official starting point
Choose the right next step
Reading this profile
A practical reference for Charleston and surrounding Charleston Water System service territory
Charleston Water System is listed here as a public water authority. 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.