Rates and 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.

Helpful links

Rate calculator

Use a rate calculator to estimate your bill and learn how saving water helps keep your rates low.

Sample IRWD bill

View sample IRWD bill with helpful explanations.

Budget-based rates guide

How do budget-based rates work? See this resource guide.

For your reference

Fiscal year 2025/2026 schedule of rates and charges (effective July 1, 2025)
Rules and regulations (adopted June 9, 2025)