About Us

About Us

Established in 1961 as a California Water District under the provisions of the state of California Water Code (see Authorizing Statue/Enabling Act), the Irvine Ranch Water District is an independent special district serving Central Orange County, California. IRWD provides high-quality drinking water, reliable wastewater collection and treatment, ground-breaking recycled water programs, and environmentally sound urban runoff treatment to more than 380,000 residents. As an independent, not-for-profit public agency, IRWD is governed by a five-member publicly elected Board of Directors. Board members are elected at-large for 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



  • 26

    Water Wells

  • 36

    Urban Runoff
    Treatment Sites

  • 36

    Drinking Water

  • 02

    Recycled Water
    Treatment Plants

  • 116,000

    Service Connections

  • 561

    Miles of Recycled Water Pipelines

  • 1905

    Miles of Drinking Water Pipelines

  • 1123

    Miles of Sewage Collection Pipelines

Latest News

Annual Cleanup Draws More than 150 VolunteersA trio of discarded bicycle frames, the tattered arm of an over-stuffed sofa, a weather-worn soccer ball and hundreds of discarded cigarette butts and snack wrappers were among the items found during this year’s Annual Watershed Cleanup Day event sponsored...
A Refuge to Inspire Your LandscapeTake a trip to the San Joaquin Marsh and Wildlife Sanctuary—a hidden gem in Irvine. The RightScape demonstration garden surrounding the Visitors Center has more than three dozen plant varieties, each identified with a plant marker and QR code for...
Happy to See Green? Thank Our Purple PipesLet’s be honest. We love our treelined streets, verdant medians and common areas that define the Irvine Ranch Water District. And while other communities are cutting back on their landscaping, ours continues to flourish. Since 1963, IRWD has been implementing a...