New users:

Create a new account by clicking "Login / Register" in the top right corner, then “Register”
Enter the information on screen. An activation email will be sent to you (be sure to check junk and spam folders). Once your account is activated, click the “Utility Billing” tab at the top.
There you will be able to see your account(s) listed. If you do not see your account(s), click the button to “Add an account”. You will need your account number and last payment amount.  
Click the account number you want to view and select the “Consumption History” tab then click "Manage Alerts".