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City Council Meeting
Consideration of Adoption of the 2021 Water Master Plan
Adopt a resolution approving and adopting the 2021 Water Master Plan.
The City of Brea operates a domestic water system serving the City’s residents and businesses. The existing system, consisting of 18 pressure zones, includes approximately 223 miles of transmission and distribution pipelines, 7 storage reservoirs, and 5 pressure booster pump stations. The majority of the City’s water supply comes from two wholesale water producers, California Domestic Water Company and Municipal Water District of Orange County.
The Water Master Plan (WMP) analyzes the City’s water system by reviewing the inventory of existing infrastructure, identifying capacity issues, and forecasting future development projects. Based on this information, the WMP models the water system to provide findings, conclusions, and recommendations on Capital Improvement Projects necessary to maintain the City’s reliability in delivering potable water.
The City previously adopted WMPs in 2002 and 2009 that accounted for improvements to be made to the water distribution system based on growth and the following development projects: Central Park Village, La Floresta Village, Tonner Hills and Olinda Ranch. Many of the improvements recommended in past WMP’s have since been completed.
At the November 19, 2019 City Council Meeting, City Council approved a Professional Services Agreement with Civiltec Engineering, Inc. to prepare the 2021 WMP, which included the following scope items:
Inventory of the existing water system infrastructure;
Pipeline life expectancy analysis;
Analysis of the water supply and demands;
Evaluation and update of the Water Distribution Model of the hydraulic system;
Analysis of the existing system based on simulations of the Water Distribution Model;
Review of available system storage capacity;
Comprehensive, prioritized recommendation for Capital Improvement Program projects with cost estimates;
Analysis and recommendation for water infrastructure needs to meet future build-out demands.
Civiltec Engineering, Inc. has completed the 2021 WMP. The WMP found that the City’s anticipated water supply was sufficient to meet the City’s expected water demand over the next 20-25 years. The WMP also found that based on the analysis performed, the following water improvement projects are recommended to be constructed over the next 10 years:
Replace approximately 162,000 lineal feet of existing aged water main lines that have passed the life expectancy;
Add additional pumps at the Berry Street Booster Pump Station to minimize the wear and tear by cycling between pumps;
Install a new disinfection system at the Carbon Canyon Reservoir;
Replace the generator at the Berry Street Booster Pump Station to ensure reliability and reduce maintenance cost;
Add approximately 3,800 lineal feet of new water main to complete the loop system in the 790 pressure zone for reliability.
On June 1, 2021, the City Council adopted the Urban Water Master Plan (UWMP). The WMP water supply/demand analysis is similar to the water supply/demand analysis in the UWMP, but the UWMP provides a more in-depth evaluation of the City’s water reliability taking into account regional water source supply/demand based on water usage, storage, and hydrologic conditions. The UWMP also added a new mechanism for response during drought conditions through a Water Shortage Contingency Plan. Finally, the WMP includes a list of recommended water infrastructure projects in order to address current and future needs in the water system while the UWMP primarily focuses on water reliability and not specific infrastructure needs.
The City of Brea understands its responsibility to address customer needs with long range planning efforts. By reviewing its existing water system and focusing on future needs, the City can continue to maintain a high level of service and reliability in its water system in a cost effective and fiscally responsible manner. The 2021 Water Master Plan has been developed to assist the City in achieving these objectives.
There is no fiscal impact to the General Fund associated with this action; however, the implementation of the plan will have a substantial fiscal impact. The estimated cost to implement all projects recommended for the Capital Improvement Program projects totals $21,506,000. This cost would primarily be absorbed by the Water Fund.
William Gallardo, City Manager
Prepared by: Ryan Chapman, P.E., Principal Civil Engineer
Concurrence: Michael Ho, P.E., Deputy Director of Public Works / City Engineer
Tony Olmos, P.E., Public Works Director
Water Master Plan
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