Municipal Department
City of Cambridge Water Department
Serving Cambridge
Population served
118,214 people (EPA SDWIS active CWS PWS MA3049000)
State system code
FIPS 25
Billing frequency
Quarterly. Cambridge and the Tax Collector's Office issue water bills quarterly, and bills are due within 30 days of the billing date.
Provider briefing
How this utility’s billing works
City of Cambridge Water Department operates as a municipal department serving Cambridge. 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 Increasing block rates per CCF, where one CCF is approximately 750 gallons. FY26 rates are $3.84/$4.10/$4.36/$4.63/$5.03 for water and $17.12/$18.10/$19.45/$20.93/$22.25 for sewer across five quarterly-consumption blocks.. Bills are generated quarterly. cambridge and the tax collector's office issue water bills quarterly, and bills are due within 30 days of the billing date., and a typical residential cost reference is A dedicated this detail was not publicly posted. As a full monthly equivalent; Cambridge bills quarterly and the exact home total depends on block consumption, sewer, and any account/property charges. The published first-block rates can be applied after converting 5,000-7,000 gallons to approximately 6.7-9.4 CCF per month.. 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
Cambridge applies the same quarterly CCF block concept to sewer, with higher wastewater rates by block; the reviewed public page did not state a winter-average cap or a flat percentage tie-in.
Meter and infrastructure notes
Cambridge identifies meter-reading/service-call support at 617-349-4771, but the reviewed page does not identify one universal AMI/AMR vendor or transmission interval.
Emergency water support
Report a leak or water emergency
617-349-4771 for meter, service-call, and water-department questions; the reviewed page did not publish a separate 24/7 emergency hotline.
Official starting point
Choose the right next step
Reading this profile
A practical reference for Cambridge
City of Cambridge Water Department 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.