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


181

District Daytime Population Served


500,000

Residential
Customers


380,000
  • 27

    Drinking
    Water Wells

  • 27

    Urban Runoff
    Treatment Sites

  • 36

    Drinking Water
    Reservoirs

  • 02

    Recycled Water
    Treatment Plants

  • 110,000

    Service Connections

  • 525

    Miles of Recycled Water Pipelines

  • 1760

    Miles of Drinking Water Pipelines

  • 1070

    Miles of Sewage Collection Pipelines