The City of Arlington, Texas Water Utilities provides essential water and sewer services to residents and businesses. Paying your bill on time avoids late fees, service interruptions, and supports reliable operations. Arlington Water Utilities offers convenient options including a Quick Pay or guest-style one-time payment in the secure portal, full online account management through the Know Your H2O system, a new mobile app for fee-free bank payments, 24/7 phone options, in-person service at City Hall and the Water Utilities office, payment kiosks at public locations, and traditional mail.
- Access the official customer portal to view bills, make payments, or register at https://waterbilling.arlingtontx.gov/.
- For complete details on all payment methods and the new mobile app, visit the City of Arlington Pay Water Bill page at https://www.arlingtontx.gov/Home/Do-it-online/Pay-Water-Bill.
Quick Pay / One-Time Payment in the Portal
The Arlington Water Utilities portal supports quick one-time or guest-style payments without requiring a full ongoing login for every transaction. New users can register easily using their account number and ZIP code from the bill.
How to pay:
- Go to https://waterbilling.arlingtontx.gov/ or the Know Your H2O login at https://arlcap.enquesta.io/app/login.jsp
- Select the option to pay as a guest or make a one-time payment (clearly available on the portal)
- Enter your account number and verification details
- Review your balance and complete the payment with credit/debit card, e-check, or other accepted methods
Payments process securely with confirmation. This option works well for one-time settlements or when you prefer not to set up recurring access.
Pay Online with Full Account Access (Know Your H2O)
Register or log in at the secure Know Your H2O customer portal for complete control. Features include viewing current and past bills, detailed usage history (hourly, daily, monthly), one-time or scheduled payments, recurring payment setup, e-billing, and adding multiple accounts.
Registration: Use your account number and ZIP code from your bill to create a secure profile. The portal is available 24/7 on desktop and mobile browsers.
New Arlington Water App – Fee-Free Bank Payments
Download the free Arlington Water mobile app (available on the Apple App Store and Google Play) for on-the-go management. Search for “Arlington Water” in your app store.
Key features:
- View and pay bills directly from your bank account (avoids credit/debit card convenience fees)
- Track water usage by the hour, day, or month
- Set alerts for high bills or unusual usage
- Access the same Know Your H2O portal features with Touch ID or Face ID support
Log in with your existing portal credentials or register for a new account. The app provides convenient, fee-saving payment options and real-time usage insights.
Pay Arlington Water Utilities Bill by Phone
Call customer service during business hours for assisted payments.
Billing & Customer Service: 817-275-5931 (Monday–Friday, 8:00 a.m. – 5:00 p.m.)
Have your account number ready. Representatives can process payments and assist with account questions. For 24/7 water or sewer emergencies (including main breaks), call 817-459-5900.
Pay In Person – City Hall, Water Utilities Office & Kiosks
City Hall Address: 101 W. Abram St, Arlington, TX 76010 Hours: Monday–Friday, 8:00 a.m. – 5:00 p.m. (excluding holidays)
Water Utilities Office Address: 1100 SW Green Oaks Blvd, Arlington, TX 76017 Hours: Monday–Friday, 8:00 a.m. – 5:00 p.m.
Accepted methods include cash, check, money order, and credit/debit cards. Staff can assist with billing questions during lobby hours.
Payment Kiosks (with fee): Self-service kiosks accepting cash, credit/debit cards, and checks are available at select public locations, such as the East Library and Recreation Center (1817 New York Ave). A fee of up to $3 applies per transaction. Kiosks are available during facility hours. Additional kiosk locations may be added; check the official website for the latest list.
Pay by Mail
Mail your check or money order (payable to Arlington Water Utilities) along with the payment stub or your account number clearly written on the check to:
Arlington Water Utilities P.O. Box 90020 Arlington, TX 76004-3020
Allow sufficient time (typically 7–10 business days) for delivery and processing. Use the exact address on your current statement whenever possible for fastest crediting.
Automatic / Recurring Payments
Enroll in recurring payments through the Know Your H2O portal or by following the official instructions (PDF guides available on the portal site). Your chosen payment method will be charged automatically on the due date. You can set up, modify, or cancel recurring payments online. The new mobile app also supports easy setup of one-time or recurring bank payments.
Important Billing Notes
Bills include clear due dates. Late payments may result in fees or service disconnection. Contact customer service promptly if you anticipate difficulty paying—payment arrangements or assistance programs may be available. Keep your account number readily available for all transactions. The portal and app provide the most detailed usage data and fastest payment confirmations.
Customer Service and Contact Information
Billing & Customer Service: 817-275-5931 (Mon–Fri, 8:00 a.m.–5:00 p.m.) 24/7 Water/Sewer Emergencies: 817-459-5900 Physical Addresses:
- City Hall: 101 W. Abram St, Arlington, TX 76010
- Water Utilities Office: 1100 SW Green Oaks Blvd, Arlington, TX 76017
Mailing Address for Payments: P.O. Box 90020, Arlington, TX 76004-3020
Have your account number and recent bill ready when contacting support.
FAQs
How do I pay my Arlington Water Utilities bill without creating an account? Use the Quick Pay or one-time payment option in the portal at https://waterbilling.arlingtontx.gov/. Enter your account number for a fast guest-style payment.
What phone number do I call to pay my Arlington water bill? Call 817-275-5931 during business hours (Monday–Friday, 8:00 a.m.–5:00 p.m.). Have your account number ready.
Where can I pay my Arlington water bill in person? Visit City Hall (101 W. Abram St) or the Water Utilities office (1100 SW Green Oaks Blvd), both open Monday–Friday, 8:00 a.m.–5:00 p.m. Kiosks are also available at select libraries and recreation centers (small fee applies).
What is the mailing address for Arlington Water Utilities payments? Send checks or money orders to P.O. Box 90020, Arlington, TX 76004-3020. Include your account number.
How do I set up automatic payments? Log into the Know Your H2O portal at https://waterbilling.arlingtontx.gov/ or use the Arlington Water app to enroll in recurring payments from your bank or card.
Does the new Arlington Water app charge fees? No. Paying directly from your bank account through the app avoids credit/debit card convenience fees.
Does Arlington Water Utilities offer paperless billing? Yes. Enroll in e-billing through the Know Your H2O portal or mobile app for email statements and notifications.
What should I do if I cannot pay on time? Call 817-275-5931 immediately to discuss payment arrangements and avoid service issues.
