GWA Main Site


Forgot your username/password?

June 28th 2019 GWA Ribbon Cutting Agat-Santa Rita Wastewater Treatment Plant.
Questions about your water bill or other water disputes? Call Customer Service at 647-7800 or 647-7803. Report a water leak or outage at 646-4211.

Better Water, Better Lives


This is the official online payment site of the Guam Waterworks Authority. If you're looking for the GWA main site, please go to

At a Glance

You can use PayGWA to pay your GWA bill online using your Visa or MasterCard. To do so, you must first register for a PayGWA online account. Before you get started, you should have your most recent GWA bill handy, because you'll be asked to enter information from your bill to register.

Visa accepted. MasterCard accepted.

What You Need to Get Started

You will need to register to use the PayGWA online payment system. To register and make a payment, you will need:

  • Recent GWA bill
  • Valid e-mail account
  • Valid credit card to make payment

Site Requirements

This site is compatible with Internet Explorer 8, Mozilla Firefox, and Google Chrome.


If you are not sure about paying online, read through our Frequently Asked Questions.

If you have a question about your water bill, please call Customer Service at 647-7800 or 647-7803.