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June 01, 2023 11:19PM
June 01, 2023 23:19PM

customer care

About Us


Established in 1961 as a California Water District under the provisions of the California Water Code (see Authorizing Statue/Enabling Act), Irvine Ranch Water District is an independent special district serving central Orange County. IRWD provides high-quality drinking water, reliable sewage collection and treatment, ground-breaking recycled water programs, and environmentally sound urban runoff treatment to its customers. As an independent, not-for-profit public agency, IRWD is governed by a publicly elected five-member Board of Directors. Board members are elected from five divisions and serve four-year terms. The Board is responsible for the District's policies and decision-making. Day-to-day operations are supervised by the General Manager.

Find out More: An Overview

By the Numbers

Cities including

Irvine Newport Beach Tustin Orange Lake Forest Costa Mesa

Plus unincorporated areas of Orange County

about us map layer v2

Square Miles 20% of Orange County


District Daytime Population Served



  • 27

    Water Wells

  • 43

    Urban Runoff
    Treatment Sites

  • 37

    Drinking Water
    Storage Tanks

  • 2

    Recycled Water
    Treatment Plants

  • 120,000

    Drinking Water Service Connections

  • 570

    Miles of Recycled Water Pipelines

  • 1976

    Miles of Drinking Water Pipelines

  • 1153

    Miles of Sewage Collection Pipelines