Fairfax Water Bill Pay: Customer Portal Login, Speedpay Phone Number, Mail Address, Assistance and Leak Help
Fairfax Water customers usually need one of a few direct answers: where to pay online, whether to use the customer portal or Speedpay, what phone number to call, where to mail a check, how much Speedpay costs, or what to do if a high bill came from a leak. This guide keeps the official payment, customer service, assistance, emergency and water-quality resources in one practical place.
Customer portal
Use the Fairfax Water Customer Portal to view bills, make payments, check usage and send account messages.
Pay by phone
Call Speedpay at 1-877-311-9969 with your 13-digit account number, ZIP code and payment amount.
Mail payment
Mail payments to Fairfax Water, P.O. Box 5008, Merrifield, VA 22116-5008.
Emergency
For after-hours help or suspected leaks/breaks, call 703-698-5613, TTY 711.
Main Official Fairfax Water Bill Pay Links
How to Pay Your Fairfax Water Bill Online, By Phone or By Mail
Fairfax Water gives customers more than one way to pay. The best method depends on whether you want free portal tools, a card payment through Speedpay, recurring debit, or a mailed check.
| Payment option | Official detail | Best use |
|---|---|---|
| Customer Portal | View account, make one-time payment, set up auto bill pay, view bills and check usage. | Open the portal if you want account access and bill history. |
| Speedpay online | Requires 13-digit account number, service address ZIP code and payment amount. | Useful for card or bank payment when you understand the fee and limits. |
| Speedpay by phone | Call 1-877-311-9969, TTY 711. | Good for phone payment using bank account or credit/debit card. |
| Mail payment | Fairfax Water, P.O. Box 5008, Merrifield, VA 22116-5008. | Use when there is enough time before due date and you prefer check/money order. |
| Customer service help | Call 703-698-5800, TTY 711, weekdays 8:00 AM to 6:00 PM. | Use for account questions, balance check, meter/billing issue or payment confusion. |
Fairfax Water Speedpay: Phone Number, Fee, Limit and What You Need Before Paying
Speedpay is useful when you want to pay by card or bank account, but it has specific requirements, a convenience fee and transaction limits. Review these details before you submit payment.
| Speedpay item | Official detail | Practical note |
|---|---|---|
| Phone number | 1-877-311-9969, TTY 711. | Keep your bill in front of you before calling. |
| Required information | 13-digit account number, service address ZIP code and payment amount. | Typing the account number incorrectly can delay or misdirect payment. |
| Convenience fee | $4.25 per transaction. | Consider portal options if you are trying to avoid card/payment processor fees. |
| Accepted methods | Bank account or credit/debit card including Visa, MasterCard, American Express, NYCE, STAR or PULSE. | Confirm fee and amount before final approval. |
| Transaction limit | Transactions are limited to $400 each, with up to three every 30 days. | Large balances may require another payment method or customer service guidance. |
Fairfax Water Phone Number, Office Address, Mailing Address and Emergency Contact
Use the correct Fairfax Water contact depending on whether you are paying, asking a billing question, reporting an emergency, or visiting headquarters.
| Need | Official contact | Use it for |
|---|---|---|
| Customer Service | 703-698-5800, TTY 711 | Billing questions, account balance, meter/bill issues, payment confusion and customer portal help. |
| After-hours emergency | 703-698-5613, TTY 711 | 24/7 after-hours support, suspected leaks or main breaks. |
| Headquarters | 8570 Executive Park Avenue, Fairfax, VA 22031 | Office reference and official headquarters contact. |
| Main headquarters phone | 703-698-5600, TTY 711 | General headquarters contact. |
| Payment mailing address | Fairfax Water, P.O. Box 5008, Merrifield, VA 22116-5008 | Mailing water bill payments. |
Map shows Fairfax Water headquarters at 8570 Executive Park Avenue, Fairfax, VA 22031. For bill payment, use the official customer portal or payment options page.
What You Can Do Inside the Fairfax Water Customer Portal
The Fairfax Water Customer Portal is the best starting point for customers who want more than a one-time payment. Registration gives you account access and useful self-service tools.
View and pay bills
Use the portal to view current bills, pay online and access bill history.
Check usage
Registered customers can check quarterly usage and review past bills for changes.
Send messages
The portal allows online messages to customer service, which can be helpful for non-emergency account questions.
Paperless billing
Customers can opt to turn off paper bills and manage bill access online.
Recurring debit
The portal includes options for recurring debit payment management.
Balance checks
Fairfax Water says customers can check balances through the portal, IVR phone system or Customer Service.
Need Help Paying Your Fairfax Water Bill?
Fairfax Water maintains a list of local community organizations that may assist with utility bill payments. Assistance is not automatic, so customers should contact the listed organizations directly and prepare documents early.
| Assistance route | Official detail | Practical next step |
|---|---|---|
| Fairfax County Coordinated Services Planning | Listed for residents of Fairfax County at 703-222-0880. | Call early and ask what documents are needed for utility assistance. |
| Customer Service | Fairfax Water customer service: 703-698-5800, weekdays 8:00 AM to 6:00 PM. | Ask about account status, payment timing and assistance resources before the bill becomes urgent. |
| Customer Portal message | Fairfax Water says customers can use the Customer Portal to send messages or manage accounts. | Use portal messages for non-emergency account questions; call for urgent matters. |
Fairfax Water High Bill, Leak Detection and Courtesy Leak Adjustment
A high Fairfax Water bill may come from normal seasonal use, a longer billing period, an irrigation pattern, a running toilet, a hidden leak, or a meter-reading question. Fairfax Water offers a Courtesy Leak Adjustment in limited situations when requirements are met.
| Leak / high bill item | Official detail | Practical action |
|---|---|---|
| Suspected meter misread | Fairfax Water says customers may call Customer Service at 703-698-5800 if they suspect the meter was misread. | Have account number, current meter reading and bill date ready. |
| Courtesy Leak Adjustment | May be available for unusually high water charges caused by leaks. | Review the rules before assuming the bill will be reduced. |
| Prompt repair required | The leak must be promptly and properly repaired when detected. | Repair quickly and document the date, cause and location. |
| Proof of repair | Written proof of repairs, receipts or invoice copies must be provided. | Keep plumber invoice, parts receipt, photos and repair notes. |
| Five-year rule | Customer must not have received a Courtesy Leak Adjustment during the previous five years. | Ask Customer Service if you are unsure about prior adjustment history. |
Report Fairfax Water Leaks, Breaks and After-Hours Emergencies
Billing questions and emergencies should not be handled the same way. If you see a suspected main break, major leak, road flooding or after-hours urgent issue, use the emergency contact route.
After-hours emergency
Call: 703-698-5613, TTY 711
Use this for 24/7 after-hours urgent support, suspected leaks or breaks.
What to report
Give the closest address, cross street, visible water flow, road/property impact, photos if safe, and whether the issue appears to be public main, meter area or private plumbing.
Fairfax Water Bill Charges, Due Date and First-Bill Account Charge
Fairfax Water explains that bills include your account number, water and sewer service charges, usage charges, amount due, payment due date and messages about your service. Understanding these lines helps you avoid confusing a service charge with a usage spike.
| Bill item | Official detail | Why it matters |
|---|---|---|
| Due date | Fairfax Water says bills are due in 30 days. | Pay early enough for the method you use to post correctly. |
| First bill account charge | Initial bills include a one-time Account Charge of $48.00. | A first bill may look higher because account setup is included. |
| Service charge | Service charge appears on every bill and is based on meter size. | This is separate from usage and covers meter/customer-service related costs. |
| Usage charges | Water and sewer service/usage charges appear on the bill. | Compare current usage to past bills before assuming a billing error. |
Fairfax Water Quality Report and Service Area Information
Fairfax Water publishes annual water quality reports so customers can understand the source and quality of their drinking water. The official Water Quality Report page provides the 2025 Annual Water Quality Report in English and Spanish.
Annual Water Quality Report
Use the official report page to download the latest annual water quality report or request a paper copy.
Service area differences
Fairfax Water’s water quality page separates Fairfax Water Service Area and Washington Aqueduct Service Area information.
Questions about water quality
If you are unsure which service area applies to your address, call Customer Service at 703-698-5800, TTY 711.
Common Fairfax Water Bill Pay Mistakes That Cause Delays or Extra Cost
Most payment problems can be avoided by using official links, keeping your 13-digit account number ready, checking Speedpay fees and calling Customer Service before the account becomes urgent.
| Mistake | Why it creates trouble | Better action |
|---|---|---|
| Using unofficial payment pages | Payments may be delayed, misdirected or add unnecessary third-party risk. | Use fairfaxwater.org or fwcustomer.org. |
| Not checking Speedpay fee | Speedpay has a $4.25 convenience fee per transaction. | Compare portal, recurring debit, mail and Speedpay before paying. |
| Trying to pay a large balance in one Speedpay transaction | Transactions are limited to $400 each. | Call Customer Service if your amount is above the limit. |
| Waiting on a leak adjustment | Adjustment requires prompt repair and written proof. | Repair the leak, save proof and submit the form quickly. |
| Using customer portal for urgent main break | Emergency issues need fast routing. | Call 703-698-5613 for suspected leaks or breaks. |
Fairfax Water Bill Pay FAQs
These answers cover common searches about Fairfax Water online payment, customer portal login, Speedpay phone number, payment address, customer service, emergency reporting, assistance, high bills and leak adjustment.
QHow do I pay my Fairfax Water bill online?
Use the official Fairfax Water Customer Portal or the Fairfax Water Payments page. The portal lets customers view account information, make payments, check usage, view bills and manage account messages.
QWhat is the Fairfax Water customer portal?
The Fairfax Water Customer Portal is the official online account system where registered customers can view bills, make payments, check quarterly usage and send online messages.
QWhat is the Fairfax Water Speedpay phone number?
To pay by phone using Speedpay, call 1-877-311-9969, TTY 711.
QWhat do I need for a Fairfax Water Speedpay payment?
You need your 13-digit account number, service address ZIP code and payment amount ready.
QDoes Fairfax Water Speedpay charge a convenience fee?
Yes. Fairfax Water lists a $4.25 convenience fee for each Speedpay transaction.
QIs there a Fairfax Water Speedpay payment limit?
Yes. Fairfax Water says transactions are limited to $400 each, and customers may make up to three transactions every 30 days.
QWhat is the Fairfax Water customer service phone number?
Fairfax Water Customer Service is 703-698-5800, TTY 711. The call center is available weekdays from 8:00 AM to 6:00 PM.
QWhat is Fairfax Water’s after-hours emergency number?
Fairfax Water lists 703-698-5613, TTY 711, for 24/7 after-hours help and suspected leaks or breaks.
QWhere do I mail my Fairfax Water payment?
Mail payments to Fairfax Water, P.O. Box 5008, Merrifield, VA 22116-5008.
QWhere is Fairfax Water headquarters?
Fairfax Water headquarters is located at 8570 Executive Park Avenue, Fairfax, VA 22031. The main headquarters phone is 703-698-5600, TTY 711.
QDoes Fairfax Water offer help paying water bills?
Fairfax Water maintains a list of local community organizations that may assist with utility bill payments. Fairfax County Coordinated Services Planning is listed for Fairfax County residents at 703-222-0880.
QCan Fairfax Water adjust a high bill caused by a leak?
Possibly. Fairfax Water offers a Courtesy Leak Adjustment in limited cases when the leak is promptly repaired, proof of repair is provided, and no Courtesy Leak Adjustment was received in the previous five years.
QWhat should I do if I think Fairfax Water misread my meter?
Fairfax Water says customers should call Customer Service at 703-698-5800 if they suspect a meter was misread. Fairfax Water will check the reading and make any necessary billing corrections.
QWhere can I find the Fairfax Water quality report?
Use the official Fairfax Water Annual Water Quality Report page. It provides the latest report download in English and Spanish and an option to request a paper copy.
QIs Water-Department.org the official Fairfax Water website?
No. This is an independent guide. Official payments, account service, assistance decisions, leak adjustments, emergency reporting and water quality questions must be handled through Fairfax Water and its official resources.
Official Sources for Fairfax Water Bill Pay Customers
Use these official resources for final confirmation before paying, registering, calling, mailing a check, requesting help, submitting leak documentation or reviewing drinking water quality.
| Official source | Use it for | Open |
|---|---|---|
| Payments | Speedpay online and phone payment details, account number requirements, fees and limits. | Open Payments |
| Customer Portal | Online account login, bill payment, bill history, usage review and portal messages. | Open Customer Portal |
| Customer Service | Account service, payment help, customer portal login and one-time payment access. | Open Customer Service |
| Contact Us | Headquarters address, main phone, customer service hours and after-hours emergency number. | Open Contact Us |
| About Your Bill | Bill explanation, due date, service charge, account charge and billing contact. | Open About Your Bill |
| FAQs | Payment address, account balance, first bill, high-bill leak adjustment and billing questions. | Open FAQs |
| Payment Help | Local organizations that may help with utility bill payment assistance. | Open Payment Help |
| Detecting Leaks | Leak detection, courtesy leak adjustment requirements and repair proof submission guidance. | Open Detecting Leaks |
| Annual Water Quality Report | Latest water quality report download and paper copy request. | Open Water Quality Report |
| Main Breaks | Suspected leak or break reporting and emergency contact route. | Open Main Breaks |