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Supplemental Emergency Water Supply Project
The City of Menlo Park Municipal Water District (MPMWD) serves about one third of the City's residents.
All of its water is purchased from the San Francisco Public Utilities Commission (SFPUC) and is delivered
via four pipelines; two serve the Sharon Heights neighborhood and a City reservoir in the upper elevation
zone of the City, and two serve the geographic area of the City roughly north and east of El Camino Real
(lower zone). Currently, no water emergency storage facility exists in this lower zone. If the SFPUC
pipeline to this zone were disrupted by an earthquake or other emergency, this area of the City would be
left without water until the pipeline could be repaired.
To address this issue the City began considering options in the late 1990s. Staff and consultants recommended,
and the City Council agreed, that construction of an underground reservoir, a backup groundwater well and a pump station
should be considered. Four sites were evaluated based on cost and constructability. Of those sites, Seminary
Oaks Park was chosen as the best location. The City is beginning to evaluate the environmental impacts and
develop a preliminary design of the new facilities.
After construction, the City will install new park facilities on top of the reservoir location. The City wants
the neighbors to help re-design the new park facilities and is holding community meetings to seek input from neighbors.
During construction, which is expected to take about 18 months, the City will work with consultants and contractors to
minimize construction-related impacts (noise, vibration, dust, traffic control, safety)
to the greatest extent possible.
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2008, Jul 1
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The City Council will be updated on the project and the additional options to be evaluated.
Staff Report
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2008, Fall
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Second Community Meeting
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2008, May 28
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Open House, Presentation, and Community Meeting at the
Burgess Recreation Center
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2007, Sept
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IEC submitted a technical memo analyzing various site-plan alternatives at Seminary Oaks Park for construction of an
underground reservoir. It included basic assumptions and design criteria for evaluating the water distribution system
with respect to a new reservoir. IEC recommended a minimum storage requirement of 3.5 million gallons. This included
maximum single day demand plus fire flow.
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2007, June
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Discussions with West Bay Sanitary District began regarding placement of the reservoir to ensure compliance with
State Health Regulations.
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2007, May
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Consultant TRC submitted a summary of the results of ground water monitoring. From April 2006 through
May 2007 ground water varied between 23 and 29 feet below the ground. A progress meeting was held with
IEC and City engineering staff to review issues regarding placement of the reservoir and compliance with
State Health Regulations.
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2007, Mar
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IEC submitted a Fatal Flaw Analysis which concluded that the Seminary Oaks site was large enough and the
ground water table was low enough to allow a subsurface reservoir to be built.
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2006, Oct
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City Council approved an agreement with Infrastructure Engineering Corp (IEC) for engineering consultant services to begin preliminary design.
Staff Report
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Meeting Minutes
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2005, Dec
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City Council approved Seminary Oaks Park as the preferred site for further study, site analysis, geotechnical evaluations, preliminary
design and public outreach for a new reservoir and well.
Staff Report
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Meeting Minutes
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2005
Jan thru Dec
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Kennedy/Jenks Consultants submitted the Final Feasibility Evaluation of Menlo Park/East Palo Alto Joint Reservoir Facility and Alternative
Water Supply. Nine sites were considered, but the joint reservoir was found not to be feasible. The Evaluation concluded that a single
reservoir and well for Menlo Park would be feasible.
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2003, Aug
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Council approved an agreement with Kennedy/Jenks Consultants to study various water storage alternatives and the possibility of a
joint-use reservoir with the City of East Palo Alto.
Staff Report
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Meeting Minutes
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2000
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Metcalf and Eddy report finalized evaluating and modeling the Menlo Park Municipal Water District system. The report identified the
need for an emergency storage facility and secondary source of water supply.
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