To calculate the water portion of your utility bill, enter your Account Number & Address Number:

For example: 098765
For example: 101 Main St.

Note: This calculator is based on 2014 water usage data and is designed as a tool for understanding how future rate increases and/or altered consumption could impact your bill. If you have further questions, are experiencing errors, or are an irrigation only customer please contact Utility Billing at 303-538-7370 or utilbilling@cityofthornton.net.