Portola Valley
Introduction
Portola Valley is a residential community of 4,462 in southern San Mateo County. Since the City is not located within Santa Clara County, the District's collaborative efforts with Portola Valley are limited. However, the city lies within the San Francisquito watershed and partners with the District on some local natural flood protection and stewardship projects.
Shared Responsibilities
Most policies guiding development and use of resources in Portola Valley are contained in the City's General Plan.
Looking forward, further collaboration or partnership will facilitate sustainable development in the region, particularly in the following areas:
When evaluating land use decisions:During operations of existing facilities or services:
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Maps
The interactive map below shows the location of Portola Valley and illustrates some of the city's key features, such as major creeks, flood zones and groundwater subbasins.
To view key features, choose a layer from the "Select a layer to display" menu on the map below. You can select multiple layers to view at one time; if you wish to turn off a layer, select it again from the menu. Individual layers contain specific data that you can access by clicking on the layer itself.
Key Water Resources Features
Citywide Programs and Projects
The City and the District collaborate on projects to maintain the health of the watershed and water quality, establish natural flood protection and provide access to open space and trails.
Related Plan Elements
The Related Plan Elements listed below identify some of the District strategies applicable to the city. They provide the basis for cities to provide better management of key water resources features within their jurisdictions and to work more effectively with the District to address water resources managemenet issues.
Related Plan Elements
| ROLE | STRATEGIES |
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 | E-3.1.1.3: Provide technical advice and, if appropriate, work with municipalities to manage stormwater to address stream flooding and environmental benefits. (T)
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| E-3.1.2.2: Support and promote land use decisions to maintain stream capacity. (T)
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 | E-3.2.1.3: Assist municipalities and citizens when needed to lessen potential flood impacts. (C)
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| E-3.2.1.4: Include municipal planners in regional or local flood management planning activities. (C)
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| E-3.2.1.6: Include municipal planners in regional or local flood management planning activities.
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| E-3.2.2.2: Encourage and provide technical assistance in mitigating erosion, sedimentation and high flows from new development or redevelopments. (T)
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| E-3.2.2.4: Promote awareness of risks for developing in flood hazard areas. (T)
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 | E-4.1.1.1: Balance the protection and restoration of sensitive fisheries and aquatic species, such as steelhead trout, with a reliable water supply. (P)
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| E-4.1.1.4: Provide information on stormwater management and design of floodplains and channels. (T)
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| E-4.1.2.4: Protect groundwater recharge areas in creeks and riparian corridors. (P)
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| E-4.1.2.5: Protect, enhance and restore riparian vegetation and in-stream and tidal habitat conditions conducive to healthy ecology, including diked historical bayland wetlands, or former salt ponds. (P and C)
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| E-4.2.1.3: Protect and preserve groundwater recharge areas.(P)
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| E-4.2.2.4: Reduce pollutants in streams from urban runoff and minimize the effects on surface and ground water.
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| E-4.3.1.1: Work with other entities for planning, design, construction, maintenance, and operation of trails/open space amenities.
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| E-4.3.1.2: Increase public access to District lands as appropriate; extend trails network.
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| E-4.3.1.3: Support creek-side or water related recreation, as appropriate.
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