We’ve identified an error in the calculation of wastewater rates for some of our customers. Rates starting in spring 2024 were mistakenly based on Winter 2023–2024 water use data instead of the Council-approved Winter 2022–2023 data. As a result, some customers were overcharged or undercharged.

• Adjustments are being made to correct this issue, and all overcharged customers will receive a check in the mail. Checks will be issued starting in October. 
•  On September 17, the Council voted to back bill customers $10 per unit, per month until each account is paid in full. 
  • Letters are being sent to those who owe due to the calculation error. 
  • Back billing will not begin until January 1, 2026, and repayment options will be available at the customer’s request.
  • We understand that this adjustment may create financial challenges. We’ll work with you to make sure the outstanding balance is corrected in a manageable way. If you’d prefer to set up an alternative payment plan, you must complete a request form. This will be available either on the City’s website https://escondido.gov/FormCenter/Utilities-20/Alternative-Payment-Plan-for-Residential-135 or at the Utility Billing Counter at City Hall. 
    • The form must be completed and received by the Utility Billing team by December 23, 2025. 
    • Alternatively, you can choose to pay the total amount at any time. 

We sincerely regret and apologize that this error occurred. We recognize the inconvenience and frustration this may have caused. City staff are committed to providing accurate and reliable service and are implementing process improvements to our billing software system.

More about Wastewater Rates 

Unlike drinking water, which is metered directly, wastewater is typically estimated based on how much water you use. This is because it's not practical or cost-effective to measure wastewater flow from each home. Since not all water used returns to the sewer system, such as water used for outdoor irrigation or filling a pool, water providers estimate wastewater based on winter water use, when outdoor water use is typically lowest.

Have Questions or Need Help?

• Visit the FAQ section.
• The Utility Billing Customer Service team is available at 760-839-4682 or UBCustomerservice@escondido.gov. Assistance is available in English and Spanish.