Rates & charges

For over 25 years, IRWD has used a Budget Based Rate Structure to calculate your monthly bill. This fair rate structure provides you with the water you need, and puts you in the driver's seat to lower your bill. IRWD customers enjoy some of the lowest rates in Orange County.

View 2025 Rates & Charges (pdf)

Helpful links: 

• Use a rate calculator to estimate your bill and learn how saving water helps keep your rates low. 
• View sample IRWD bill with helpful explanations.
• How do budget-based rates work? See this resource guide.

Choose a link below to view the rates and charges applicable to you or your business, or view the entire rates and charges document. 

For your reference:

Fiscal year 2024/2025 schedule of rates and charges (effective July 1, 2025)

Rules and regulations (adopted Dec. 16, 2019)