Water Master Plan

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The City of Newport Beach provides water services to a population of approximately 66,000 over 11 square miles of land located within its service boundaries. The City’s last comprehensive Water Master Plan (WMP) was completed in 1999 followed by an update in 2008, which revised the hydraulic model to reflect completed water infrastructure projects. Because there have been many changes since 1999 and 2008, the WMP needs to be updated again to reflect current water use and future infrastructure needs.

This 2019 WMP represents the City’s water infrastructure planning efforts, which began in 2017 with the following scope:

  • Develop water demand projections and determine the impact of recent water consumption and resultant effect on system demand and peaking factors based on the most recent 10 years of water use trends (2007 – 2016).
  • Incorporate the City’s 2006 General Plan and subsequent amendments for land use projections and housing density into the water demand analysis.
  • Develop a calibrated hydraulic model, using current water demands to analyze the City’s water supply and distribution system.
  • Conduct a risk analysis to provide the basis for a prioritized pipeline and facilities rehabilitation and replacement program.
  • Develop and prioritize recommendations for system improvements over the next 30 years as part of the City’s Capital Improvement Program (CIP).

For additional information, please click on the link below to access the 2019 Water Master Plan.

2019 Water Master Plan (Final Report)

2019 Water Master Plan (Appendices A - G)


Last updated 5/15/2019