The San Dieguito Irrigation District was formed in 1922 under the California Irrigation District Act to provide water service to the area. Now known as San Dieguito Water District, it is a public agency providing water and recycled water services within the communities of Old Encinitas, Leucadia, Cardiff, and portions of New Encinitas. The San Dieguito Water District is a member agency to San Diego County Water Authority.

In 1986, the unincorporated communities in the region incorporated as the City of Encinitas. San Dieguito Water District is a subsidiary of the City of Encinitas.

Board President, Jim O'Hara       Board Vice President, Bruce Ehlers

         Director Joy Lyndes         Director Marco San Antonio         Director Luke Shaffer

Isam Hireish, P.E.

General Manager, San Dieguito Water District

Utilities Department Director

The San Dieguito Water District services the communities of Old Encinitas, Leucadia, Cardiff, and portions of New Encinitas.

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Map of Encinitas water district service territories

 The District’s water supply includes water purchased from the San Diego County Water Authority (SDCWA), local supplies and recycled water for irrigation purposes.

San Dieguito Water District receives water from the SDCWA. The SDCWA receives imported water from the Colorado River Aqueduct and from the California State Water Project.

San Dieguito Water District has access to local supplies. The District maintains storage rights to local surface water at Hodges Reservoir.

Recycled water for irrigation purposes.

The San Dieguito Water District is committed to providing a safe and reliable water supply. The United States Environmental Protection Agency (USEPA) and the California Division of Drinking Water mandate all water agencies to produce an annual document educating customers about their drinking water quality. The District’s tap water satisfied all state and federal drinking water health standards based on our collected water quality monitoring data.

View our latest Annual Water Quality Report.

2026 Water Rates (effective January 1, 2026)

2024 Water Rate Study

Administrative & Financial Documents

• Administrative Code
• Discontinuation of Service Policy
• Fiscal Year 2025/26 Operating & Capital Budget
• Fiscal Year 2024/25 Operating & Capital Budget
• Fiscal Year 2023/24 Operating & Capital Budget
• Prior Operating & Capital Budgets
• Quarterly Budget Reports
• Annual Comprehensive Financial Report (ACFR)
• Prior ACFRs
• 2024 Water Rate Study
• Prior Water Rate Studies

Engineering & Operations Documents

• 2022 Water System Master Plan
• 2020 Urban Water Management Plan
• Joint Facilities Master Plan
• Current Charges, Deposits & Fee Schedule
• WAS Documents
• 2024 Water Quality Report
• Lead and Copper Service Verification