Cambridge Water Department 2026: Bill Pay, Phone, Meter & Service Help
Cambridge water searches usually come from people who need one exact action: pay a quarterly water bill, request a final bill, report no water, understand a high read, replace a broken meter, schedule construction work near a water line, or call the correct division. This guide pulls the official Cambridge Water Department details into short decision blocks so you can act quickly instead of reading five city pages.
Choose the Cambridge Water Task You Actually Need
Cambridge Water Department Contacts That Matter
Use this section first. Most delays happen because the user calls billing for field work, or Water Department operations for Tax Collector payment questions.
| Need | Official detail | Use this when… |
|---|---|---|
| Water Department main office | 250 Fresh Pond Parkway, Cambridge, MA 02138; CWD@cambridgema.gov | General department contact, non-emergency questions, department navigation. |
| Hours | Monday 8:30am-8pm; Tuesday-Thursday 8:30am-5pm; Friday 8:30am-12pm | Plan calls, emails and visits. |
| Water emergency | 617-349-4770, 24 hours a day | Leak in street, no water, uncontrollable leak, broken hydrant, urgent water issue. |
| Administration | 617-349-4771 | Meter readings, address changes, service calls and account-related water department questions. |
| Engineering | 617-349-4782 | Water Works Construction Permits and work near water distribution system components. |
| Distribution | 617-349-4785 | Distribution system questions, depending on city routing. |
| Treatment and Operations | 617-349-4780 | Treatment/operations division questions, depending on issue type. |
How to Pay or View a Cambridge Water Bill
Cambridge water bills are issued quarterly by the Cambridge Water Department together with the Tax Collector’s Office. The official bill page says bills are due and payable within 30 days of the billing date.
Use the official online system
To pay online, use the City’s official Pay or View a Bill Online page or the online payment link from the Water Bill Information page.
Choose One Time Pay if you want speed
The City says no registration is required for “One Time Pay,” which is the fastest way to pay online and confirm payment.
Have the right identifier ready
The City’s pay page says to have the relevant information for your transaction, such as bill number, parcel ID or account number, when applicable.
Use phone IVR if needed
Cambridge says invoices can be checked and paid by phone via Interactive Voice Response at 617-314-8226. Balance checks are free; an additional fee applies only for payments made.
Mail checks correctly
Make checks payable to The City of Cambridge and mail payment to: Tax Collector’s Office, City of Cambridge, PO Box 399142, Cambridge, MA 02139-9142.
Understand Your Cambridge Water Bill Before You Pay
The official Cambridge bill explainer is useful because many “high bill” problems begin with reading the wrong line. Use this quick scan before calling.
| Bill field | What it means | What to check |
|---|---|---|
| Account Number | Identifies you and your property address in the billing system. | Use this number whenever contacting the City about your account. |
| Service Address | The property location where water service is provided. | Make sure it matches your property. |
| Bill Date / Due Date | Bill issue date and deadline for payment. | The official bill page says all bills are due and payable upon receipt. |
| Previous / Current Meter Reading | Readings used to calculate usage for the billing period. | Compare with normal usage and look for unusual jumps. |
| Usage | Water used during the bill period. | High usage may indicate leak, seasonal use or meter issue. |
| Message Box | Current messages and alerts from Cambridge Water Department. | Do not ignore alerts, notices or instructions. |
Final Water Bill Requests in Cambridge
Final bill requests are separate from regular payment questions. The official Water Bill Information page has a final water bill request form.
Use final bill request when…
You are selling, closing, transferring service, moving out or need a final reading connected to a property transaction.
Prepare before submitting
Property address, account number if available, contact info, closing/move date and where the final bill should be sent.
Leaks, No Water, Low Pressure and Discolored Water
Cambridge gives different instructions depending on the water symptom. Do not treat every problem as a billing issue.
| Problem | Official-style first check | What to do |
|---|---|---|
| Leak in street or sidewalk | Water bubbling up in street or sidewalk. | Call the Water Department as soon as possible at 617-349-4770. |
| Leak in basement/property | Water leaking into property or pipes leaking that cannot be controlled by shut-off valve. | Call the Water Department. |
| Low water pressure | Check if pressure is low in all locations or only one faucet. | If all locations are low, call Water Department. If one faucet, clean strainer or call plumber if needed. |
| Discolored water | Run cold water for a couple minutes. | If cold water stays discolored, call Water Department. If only hot water is discolored, water heater may need attention. |
| No water | Try another faucet and ask other tenants if multi-family. | If no water at multiple faucets and no known work, call Water Department. |
| Leaking/broken hydrant or missing gate box cover | Visible damage or missing cover. | Notify the Water Department. |
Meters, MTU Devices, High Reads and Broken Meters
Cambridge meters that are read by the Water Department must have an automated meter reading device called a meter transmitting unit, or MTU. The MTU is wired to the meter and mounted inside or outside the building where it can transmit readings.
| Meter issue | Official detail | User action |
|---|---|---|
| New MTU installation | Cambridge Water Department furnishes and installs MTU unless the mounting location is inaccessible. | Make the location accessible or coordinate owner assistance if needed. |
| MTU removal/relocation | Water Department must be contacted to remove or relocate MTU during demolition/remodeling. | Do not remove the MTU yourself. |
| Lost or damaged MTU | City lists $300 charge for lost/damaged MTU replacement. | Protect the MTU during construction. |
| Broken or missing meter | Water Department installs a new meter if premises are meter-ready. | If plumbing is needed, follow City specifications to make premises meter-ready. |
| Frozen/lost meter replacement | City lists charges by meter size: 5/8 inch $120, 3/4 inch $140, 1 inch $210, 1.5 inch $540, 2 inch $750. | Confirm current cost and meter size before assuming replacement cost. |
Cambridge Water Works Construction Permits
Cambridge says Water Works Construction Permits are issued only in person, by appointment, with the Engineering Division at the Water Department offices. A permit is required when work is performed on or close to any component of the water distribution system.
Confirm whether your work needs a permit
Examples include new domestic or fire service connections, removal/relocation/changes to existing water services, valves, hydrants or distribution piping, and excavations near distribution components.
Book an Engineering appointment
For appointment and clarification, call Engineering at 617-349-4782. The permit page says permits are issued in person during listed permit hours.
Give 72 hours notice before construction
The contractor info page says a minimum of 72 hours notice must be given to the Cambridge Water Department before starting construction, unless emergency work is approved.
Submit record drawings after completion
The City says contractors must submit three sets of blue-line record drawings to CWD within 60 days after completion; a registered professional engineer must certify them as true and correct.
| Permit item | Official requirement | Practical reminder |
|---|---|---|
| Bond | Contractor must be bonded by City of Cambridge with minimum $5,000 bond. | Do not send an unbonded contractor for water works construction. |
| New contractor | If contractor has never performed water works construction for Cambridge, submit two letters of recommendation from other MA cities/towns. | Get references ready before appointment. |
| Review package | Engineering plan, Tax ID, Dig Safe number, contact info, submittals if needed. | Incomplete packages delay permit review. |
| Fees/deposit | Normally $175 per inspection with $1,000 deposit; actual fees determined by Water Department. | Confirm current fees at appointment. |
| Review time | Minimum 3 working days. | Do not schedule crew before review clears. |
Hydrant Rental, Fire Pump Test and Cross Connection Permits
The Cambridge Water Department permit page lists several water permits that matter for contractors, property managers and building owners.
| Permit / service | When it matters | Action |
|---|---|---|
| Cross Connection Permit | Backflow / cross connection protection situations. | Use official Water Permits page. |
| Hydrant Rental Permit | Temporary hydrant use or construction water needs. | Do not use a hydrant without permit approval. |
| Fire Pump Test | Fire system testing that involves water department coordination. | Use official permit route before scheduling test. |
| Water Construction Permit | Work on or close to water distribution components. | Call Engineering and schedule in-person appointment. |
| Water Construction Lab Disinfection | Disinfection/testing requirement for water construction work. | Use the OpenGov route linked by the City. |
What to Say When Contacting Cambridge Water Department
| Situation | Say this | Have ready |
|---|---|---|
| Bill payment question | “I have a Cambridge water bill payment question.” | Account number, bill date, due date, payment confirmation if paid. |
| Final bill request | “I need a final water bill for [property address].” | Address, closing/move date, account number, contact email. |
| No water / leak / low pressure | “I am reporting a water service issue at [address].” | Location, symptoms, whether neighbors/other faucets affected, visible leak details. |
| High read / meter reading | “I need help with a high read or meter reading question.” | Account number, service address, current/previous reading, phone and email. |
| Construction permit | “I need to schedule an Engineering appointment for a Water Works Construction Permit.” | Plan, Dig Safe number, contractor Tax ID, bond, contact details, scope of work. |
Cambridge Water Department Map and Visit Checklist
The Cambridge Water Department is listed at 250 Fresh Pond Parkway, Cambridge, MA 02138. For permit appointments, billing questions or emergency issues, call first so you go to the correct office or use the correct online route.
Cambridge Water Department
Official water department location reference for Cambridge, Massachusetts.
Cambridge Water Department Video and Learning Resource
Because a stable official direct video embed ID is not confirmed here, this page uses a safe video resource card instead of a broken YouTube search iframe. Use the City’s multimedia/resources page for official Cambridge Water Department media.
Learn About Cambridge Water, Fresh Pond and Water Services
Use video resources for background learning only. For payments, permits, emergencies and meter costs, follow the official written city pages.
Open Cambridge Water Multimedia Resources
Explore city water videos/resources, then return to the official billing, service issue or permit page for action steps.
Official Cambridge Water Department Links Used in This Guide
Water Department Contact
Main phone, address, hours, email and division contacts.
Open Contact PageWater Bill Information
Quarterly bills, due window, final bill requests, online payment and mail address.
Open Bill InfoPay or View a Bill
City bill payment system, One Time Pay and phone IVR payment details.
Open Payment PageWater Service Issues
Leak, no water, low pressure, discolored water and hydrant issue instructions.
Open Service IssuesMeters and MTUs
Automated meter reading devices, broken meters and replacement cost details.
Open Meter InfoContractor Permits
Water Works Construction Permit rules, appointment process and contractor instructions.
Open Contractor InfoWater Permits
Cross Connection Permit, Hydrant Rental Permit, Fire Pump Test and Water Construction Permits.
Open Permit ListUnderstanding Your Bill
Account number, service address, bill date, due date, usage, readings and charges explained.
Open Bill GuideWater Department Home
Cambridge Water Department homepage, services and department navigation.
Open Water HomeCambridge Water Department FAQs
What is the Cambridge Water Department phone number?
The main Cambridge Water Department phone number is 617-349-4770. The City says this number should be used 24 hours a day for water-related emergencies.
Where is the Cambridge Water Department located?
The Water Department is located at 250 Fresh Pond Parkway, Cambridge, MA 02138.
How often are Cambridge water bills issued?
Cambridge water bills are issued quarterly by the Water Department together with the Tax Collector’s Office.
When are Cambridge water bills due?
The official Water Bill Information page says water bills are due and payable within 30 days of the billing date.
Who do I call about Cambridge water bill payments?
For payment questions, call the Tax Collector’s Office at 617-349-4220.
Who handles meter readings, address changes and service calls?
For meter readings, address changes and service calls, call 617-349-4771.
What should I do if I have no water or see a leak in the street?
Call the Cambridge Water Department at 617-349-4770. The City lists this as the 24-hour number for water service or distribution system issues.
Does Cambridge require a permit for water construction work?
Yes. The City says a Water Works Construction Permit is required when work is performed on or close to any component of the water distribution system.
What is the Cambridge Engineering phone number for construction permits?
For a Water Works Construction Permit appointment or clarification, call Engineering at 617-349-4782.
What is an MTU on a Cambridge water meter?
An MTU is a meter transmitting unit used for automated meter reading. Cambridge says all meters read by the Water Department must have an MTU connected to the meter.
Best Way to Handle a Cambridge Water Department Task
For Cambridge Water Department tasks, the fastest path is not “read more”; it is choosing the correct route. Use the Tax Collector for payments, Water Administration for meter/account service questions, the 24-hour Water Department number for urgent water issues, and Engineering for water construction permits or work near the distribution system.
Editorial note: This guide summarizes official Cambridge, Massachusetts Water Department resources for easier public use. Phone numbers, fees, office hours, permit rules, payment vendor details and emergency instructions can change. Confirm final details on official cambridgema.gov pages before paying, applying for permits, scheduling construction, reporting an issue or modifying water service.