Customers

Payment Options

Customer Portal

1. Go online to www.sienviro.com
2. Click the “FIND MY DISTRICT” box at the top of the page.
3. Scroll down and click through the pages to find your district box. If you are unsure what district your address is in, it can be found on your new account email or at the top left corner of your regular white bill. If you are having problems finding your district or do not have a copy of your bill available, our customer care number is 281-807-9500.
4. Once you’ve found your district box, click “Pay Online”
5. This will take you to the online customer portal, where you can set up your online account.
6. Click “Sign up now”
7. Enter the Security Code that can be found on your new account email or at the top right corner of your regular white bill. If you are having problems finding your security code or do not have a copy of your bill available, our customer care number is 281-807-9500.
8. Enter an Email Address of your choice and click the green “SEND VERIFICATION EMAIL” button.
9. Once you have completed these steps, check your Email for the verification link.
10. Click the verification link provided in your Email, this will take you to a new screen where you can enter in a username and password to finish creating your account.
11. Enter your username and password and click the green “SIGN IN” box.

1. On the Home page, on the right-hand side at the top click the “My Account” tab.
2. On the left-hand side you will see “Bill Delivery” click on “eBill” this will take you to your eBill Settings.
3. On the right-hand side there is a button that says “OFF” this button controls your ability to enable eBill sign up.
4. Click the “OFF” button and from there click the circle of what you would like to receive. We would like to encourage you to update your settings to “eBill only” as this will allow you to receive your bill directly through email as well as save on paper, then click the green “Update” button.
5. Then your screen should change with a green sign at the top saying “eBill settings have been saved successfully. A notification has been sent to your email address confirming this change.”

1. You can also make one-time online payments through your online account. At the top right, you will see a tab that says, “Pay Bill”, click this tab.
2. Follow the remaining prompts for entering your payment information and pay and confirm.
3. Please call customer care with your confirmation number to verify the payment posted to your account or if your water service is turned off, to restore service call 281-807-9500 before 3pm for same-day service.
4. If you would like to setup Auto Draft Payments, please fill out the ACH SETUP FORM at our offices or on our website and email it to cyp.customerservice@sienviro.com

*For security purposes, online accounts are deactivated after 90 days of no use. To reactivate your account, please call our customer care at 281-807-9500. Thank you, we appreciate your business!

Payments can also be dropped 24/7 in the drop box (will post next business day)
Check or money order payments only

Account Forms

Billing Address – Change Form
Final Account Form
Final Cancellation Form
Online Account Instructions
Online Smart Meter Setup
Service Application – Name Change Form
Service Application – Name Change Form – Spanish
Service Application – Requirements
Service Application Form
Service Application Form – Spanish

Automatic Bank Draft

An automatic draft option has proven popular with customers. The draft is made on or about the 20th of the month.

Si Environmental ACH Setup Form – English (Automatic Bank Draft)
Si Environmental ACH Setup Form – Spanish (Automatic Bank Draft)
ACH Cancellation Form