Lower Peninsula Watershed Master Plan

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About

Valley Water conducts comprehensive planning to ensure its projects and programs meet watershed management goals. Watershed Master Plans are now underway for the West Valley and Lower Peninsula watersheds.


Background

Valley Water’s mission is to provide Silicon Valley safe, clean water for a healthy life, environment, and economy. As water management challenges are exacerbated by factors such as climate change, urban growth, and water supply concerns, Valley Water must strategically allocate resources to actions that achieve its mission and the needs of the community most effectively. The Watershed Master Plans provide guidance on an integrated approach to water management in each of Santa Clara County’s five watersheds. These plans draw from and align with existing plans and policies, but also seek new opportunities to reflect community values, improve watershed health, and integrate environmental stewardship into everything Valley Water does.

Valley Water’s Watershed Master Planning, previously referred to as One Water, consist of: 1) a countywide framework to develop the vision, goals, and objectives used across all watersheds, and 2) Watershed Master Plans specific to each of the five watersheds located within Santa Clara County. Valley Water has completed Master Plans for the Upper Pajaro, Guadalupe, and Coyote Creek watersheds and is now developing the final two plans for the West Valley and Lower Peninsula watersheds. We seek input from interested parties at all stages of the planning process to create plans that speak best to all water resource needs.

Visit our project page here.


Lower Peninsula Watershed


Map: Lower Peninsula Watershed. Santa Clara Valley Water District

The Lower Peninsula Watershed, located in the northwest portion of Santa Clara County, covers approximately 98 square miles with creeks flowing from the Santa Cruz Mountains into southwest San Francisco Bay and its tidal wetlands. The creeks in the watershed include Stevens Creek, Permanente Creek, Adobe Creek, Barron Creek, Matadero Creek, Deer Creek, and southern portions of the San Francisquito and Los Trancos Creeks. The cities of Cupertino, Sunnyvale, Mountain View, Los Altos, Los Altos Hills, and Palo Alto are also in the watershed. The northern region of the watershed is largely open space, natural lands, or lightly grazed with some rural residential properties. While development in the upper sub-watersheds of the Lower Peninsula is restricted due to the steep terrain of the Santa Cruz mountains, higher-density residential and commercial development exists in the foothills and on the valley floor.

About

Valley Water conducts comprehensive planning to ensure its projects and programs meet watershed management goals. Watershed Master Plans are now underway for the West Valley and Lower Peninsula watersheds.


Background

Valley Water’s mission is to provide Silicon Valley safe, clean water for a healthy life, environment, and economy. As water management challenges are exacerbated by factors such as climate change, urban growth, and water supply concerns, Valley Water must strategically allocate resources to actions that achieve its mission and the needs of the community most effectively. The Watershed Master Plans provide guidance on an integrated approach to water management in each of Santa Clara County’s five watersheds. These plans draw from and align with existing plans and policies, but also seek new opportunities to reflect community values, improve watershed health, and integrate environmental stewardship into everything Valley Water does.

Valley Water’s Watershed Master Planning, previously referred to as One Water, consist of: 1) a countywide framework to develop the vision, goals, and objectives used across all watersheds, and 2) Watershed Master Plans specific to each of the five watersheds located within Santa Clara County. Valley Water has completed Master Plans for the Upper Pajaro, Guadalupe, and Coyote Creek watersheds and is now developing the final two plans for the West Valley and Lower Peninsula watersheds. We seek input from interested parties at all stages of the planning process to create plans that speak best to all water resource needs.

Visit our project page here.


Lower Peninsula Watershed


Map: Lower Peninsula Watershed. Santa Clara Valley Water District

The Lower Peninsula Watershed, located in the northwest portion of Santa Clara County, covers approximately 98 square miles with creeks flowing from the Santa Cruz Mountains into southwest San Francisco Bay and its tidal wetlands. The creeks in the watershed include Stevens Creek, Permanente Creek, Adobe Creek, Barron Creek, Matadero Creek, Deer Creek, and southern portions of the San Francisquito and Los Trancos Creeks. The cities of Cupertino, Sunnyvale, Mountain View, Los Altos, Los Altos Hills, and Palo Alto are also in the watershed. The northern region of the watershed is largely open space, natural lands, or lightly grazed with some rural residential properties. While development in the upper sub-watersheds of the Lower Peninsula is restricted due to the steep terrain of the Santa Cruz mountains, higher-density residential and commercial development exists in the foothills and on the valley floor.
  • Initial Survey

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    Valley Water invites you to collaborate with us on the development of the Lower Peninsula and West Valley Watershed Master Plans. This planning effort will help Valley Water understand water resource challenges and opportunities, prioritize actions, and effectively allocate resources across the watersheds. To meet a diverse array of needs and values, Valley Water relies on the expertise and perspectives of community partners who live and work in these watersheds. For this reason, we have created a short survey to gauge your desired level of involvement, your priorities, and your areas of interest in this master planning effort.

    Find the survey linked below.

    https://www.surveymonkey.com/r/5BLFRZ7

  • March 2025 - Lower Peninsula and West Valley Watershed Master Plans Kickoff

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    On March 4th, 2025, Valley Water hosted its community network kickoff meeting. This meeting introduced the Watershed Master Plans, discussed community involvement, and described next steps. Below are links to the presentation and slides from that meeting.

    Video

    Slides

Page last updated: 27 Mar 2025, 03:23 PM