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Central Redwood City Recycled Water Project Phases IIA,IIB and IIC

Project URL link
Sponsoring Agency City of Redwood City
Subregions ('West Bay',)
Counties San Mateo
Watershed Tributary
Public or private land? ()
Location (lat/lon)
Start Date January 1, 2015
End Date January 30, 2019
Location Description This project is located in Redwood City, in San Mateo County and is part of the IRWMP's western sub-region.

The Central Redwood City Recycled Water Phases IIA, IIB, and IIC Pipelines Project (Project) will construct a total of 2.5 miles of recycled water distribution pipeline to deliver up to 274 acre-feet per year (AFY) of recycled water to City customers.  The project will be constructed with the flexibility to ultimately deliver up to 3,238 AFY. 

Drinking Water Supply
Water Quality Improvement
Water Reuse/Recycling
Stormwater Improvements
Groundwater Benefits
Infiltration
Habitat Protection and Restoration
Flood Protection
This project will provide a new, local recycled water supply of up to 274 AFY. and will reduce reliance on the City's imported drinking water supply (Hetch Hetchy) by an equivalent amount. Recycled water will be produced from treated wastewater that otherwise would be discharged to the San Francisco Bay. This recycled water project will reduce the amount of wastewater discharged to the Bay, thereby reduce pollutant discharge to the Bay.

Part 2 - Detail

The project will construct a total of 2.5 miles of recycled water distribution pipeline to deliver up to 274 acre-feet per year (AFY) of recycled water initially with capacity to ultimately deliver up to 3,238 AFY.  The new pipelines will convey recycled water from the City's existing treatment, storage and pumping facilities located at Silicon Valley Clean Water (SVCW) to new and existing City water customers.  The project will be constructed as three separate project components:  Phase IIA, IIB and IIC.  The total estimated capital cost for the three pipeline segments is $8.5 million.

 

The Phase IIA pipeline consists of 3,390 feet of new 30-inch diameter pipeline that will connect to a tee in the existing Phase I pipeline at the dead-end of Maple Street (near 1590 Maple Street, the location of the San Mateo County Women’s Jail). From this connection point, the new pipeline will cross underneath Highway 101 inside of an existing utility tunnel to Walnut Street, west of Highway 101, and follow Walnut Street to its intersection with Marshall Street. The Phase IIA work also includes construction of an 8-inch pipeline that runs east along Veterans Boulevard to Maple Street ending at the intersection of Maple Street and Oddstad Drive.

 

The Phase IIB pipeline consists of approximately 7,740 feet of new 14-inch diameter pipeline.  This pipeline will connect to the Phase IIA pipeline at the intersection of Walnut Street and Marshall Street, run east along Marshall Street to Beech Street, south along Beech Street to Broadway, east on Broadway and terminate at the intersection of Broadway and Second Avenue.  Construction of the IIB pipeline will require two jack and bore crossings:  approximately 115 feet to cross under the light rail track at the intersection of Broadway and Chestnut Street, and approximately 225 feet to cross under the high-traffic intersection of Broadway and Woodside Road.

 

The Phase II.C pipeline is comprised of approximately 2,330 lineal feet of new pipeline. A new 30-inch-diameter pipeline will connect to the terminus of the Phase II.A pipeline at the intersection of Walnut Street and Marshall Street and run west along Marshall Street to Main Street. A 12-inch-diameter pipeline will extend from the intersection of Marshall and Main Street west along Marshall and terminate at the intersection of Marshall Street and Broadway.

 

 The City's recycled water treatment and distribution system have been designed with capacity to meet the City's needs as well as provide recycled water to neighboring communities.  Redwood City and its neighboring communities purchase Hetch Hetchy water from the San Francisco Public Utilities Commission.  This Project will reduce the City's reliance on Hetch Hetchy supplies by offsetting potable demands on the imported water supply.  This Project is located in the IRWM "West" sub-region of the San Francisco Bay Area.

 

False
This project is needed to improve the City's water supply reliability, meet anticipated demands of City Council approved planned new development and to maintain compliance with State requirements for water use reduction, and provides the City with a local, drought-proof water supply.  Historically, the City's water demand has exceeded its supply.  Expanding the City's use of recycled water supply reduces the City's demands on the potable water supply, thereby improving supply reliability and providing a sustainable water supply that will support planned new development.  City Council supports and promotes the use of recycled water and adopted a Recycled Water Use Ordinance that requires the use of recycled water for indoor and outdoor use in new construction.  Additionally, this project will help the City to continue to meet its urban use requirements as delineated in the Water Conservation Act of 2009, SBX7-7.

If this project is not implemented, the City may not have sufficient supply to meet future demands.  The City's Urban Water Management Plan includes increased recycled water use in future years to meet anticipated water demands.  Without this Project, the City would need to negotiate agreements for additional Hetch Hetchy water supply and continue to rely on limited potable water supply for non-potable uses.

This Project will provide the following physical benefits:

-  Provides a new recycled water supply of 274 AFY initially, with potential to provide up to 3,238 AFY in the future.

-  Reduces reliance on imported water supply from Hetch Hetchy by 274 AFY

-  Improves water quality of the San Francisco Bay by reducing the discharge of pollutants to the Bay

False
False
False
Increases Water Supply Reliability
Advances/ Expands Conjunctive Management of Multiple Water Supply Sources
Increases Water Use and/or Reuse Efficiency
Provides Additional Water Supply
Promotes Water Quality Protection
Reduces Water Demand
Advances/Expands Water Recycling
Promotes Urban Runoff Reuse
Addresses Sea Level Rise
Addresses other Anticipated Climate Change Impact (e.g. through water management system modifications)
Improves Flood Control (e.g. through wetlands restoration, management, protection)
Promotes Habitat Protection
Establishes Migration Corridors
Re-establishes River-Floodplain Hydrologic Continuity
Re-introduces Anadromous Fish Populations to Upper Watersheds
Enhances and Protects Upper Watershed Forests and Meadow Systems
Other (Please Describe)
Increases Water Use Efficiency or Promotes Energy-Efficient Water Demand Reduction
Improves Water System Energy Efficiency
Advances/Expands Water Recycling
Promotes Urban Runoff Reuse
Promotes Use of Renewable Energy Sources
Contributes to Carbon Sequestration (e.g. through vegetation growth)
Other (Please Describe)
(low) - (high)
Drought Preparedness
Use and Reuse Water More Efficiently
Climate Change Response Actions (Adaptation to Climate Change, Reduction of Greenhouse Gas Emissions, Reduce Energy Consumption)
Expand Environmental Stewardship
Practice Integrated Flood Management
Protect Surface and Groundwater Quality
Improve Tribal Water and Natural Resources
Ensure Equitable Distribution of Benefits
Reduce Reliance on the Bay-Delta
Reduce Water Demand
Improved Operational Efficiency and Transfers
Increase Water Supply
Improve Water Quality
Improve Flood Management
Practice Resources Stewardship
Other Strategies (Please Describe)
Groundwater Management Plan
Urban Water Management Plan
Water Meter Requirements
Groundwater Monitoring Requirements
AB 1420 Compliance
BMP Compliance
CEQA Compliance
Water supply reliability, water conservation and water use efficiency
Stormwater capture, storage, clean-up, treatment, and management
Removal of invasive non-native species, the creation and enhancement of wetlands, and the acquisition, protection, and restoration of open space and watershed lands
Non-point source pollution reduction, management and monitoring
Groundwater recharge and management projects
Contaminant and salt removal through reclamation, desalting, and other treatment technologies and conveyance of reclaimed water for distribution to users
Water banking, exchange, reclamation and improvement of water quality
Planning and implementation of multipurpose flood management programs
Watershed protection and management
Drinking water treatment and distribution
Ecosystem and fisheries restoration and protection
Reduced Reliance on the Bay-Delta
Projects that directly address a critical water quality or supply issue in a DAC
Urban water suppliers implementing certain BMPs as on page 17 of Guidelines
Be designed to manage stormwater runoff to reduce flood damage (PRC §5096.827)
Be consistent with the applicable Regional Water Quality Control Plans (Basin Plans) (PRC §5096.827)
Not be a part of the State Plan of Flood Control (SPFC) (PRC §5096.827)

Project team

Part 3 - Benefits