Napa Valley Drought Contingency Plan

The Napa Valley Drought Contingency Plan (DCP) is being conducted by a task force of local water managers using a grant secured under the US Bureau of Reclamation’s Drought Response Program. The DCP process prepares local agencies for drought and associated impacts in advance of a crisis. By prioritizing the development of projects and management response actions, the DCP assists local water managers and provides the tools for long-term drought resilience for the region’s water supply. 

The City of Napa is the lead agency and convener for the Napa Valley Drought Contingency Plan Task Force (DCP Task Force). The Napa Valley DCP is an outgrowth of the North Bay Water Reuse Authority (NBWRA) that is implementing a regional Title XVI recycled water program. The Napa Valley DCP includes several of the same member agencies as the NBWRA and continues their work towards building diversity into the region’s water supply.

The Drought Contingency Plan Area includes the Napa River watershed that drains into the northern edge of San Pablo Bay and includes an area of 430 square miles. The agencies participating in the Napa Valley DCP include the Cities of Napa, American Canyon, St. Helena, and Calistoga, the Town of Yountville, Napa County, and Napa Sanitation District (NapaSan).

DCP Area Boundary

The Drought Contingency Plan grant criteria states these six elements must be addressed:

  1. Drought Monitoring: Establish a process for monitoring water availability, and a framework for predicting the probability of future droughts or confirming an existing drought. Includes process for the collection, analysis, and dissemination of water availability and other drought-related data to define stages of drought, mitigation and response actions.
  2. Vulnerability Assessment: Evaluate and assess the risks and impacts of drought and the contributing factors that could impact critical resources in the Plan Area. This information will support development of potential mitigation and response actions.
  3. Mitigation Actions: Identify, evaluate, and prioritize actions and activities that will build long-term water supply resilience and mitigate risks posed by drought.
  4. Response Actions: Identify, evaluate, and prioritize actions and activities that can be implemented in a drought and are triggered during different stages of drought to provide quick benefits.
  5. Operational and Administrative Framework: Determine local responsibility for undertaking the actions necessary to implement the DCP.
  6. Plan Update Process: Develop a process and schedule for monitoring, evaluating, and updating the Plan.

For more information, contact:

Vanessa Emerzian,

Napa Valley DCP Project Manager 

Bureau of Reclamation, Mid-Pacific Region



Regarding the Napa Valley Drought Contingency Plan studies, contact:

Patrick Costello,

Water Resources Analyst

Utilities Department, City of Napa

1700 Second Street, Suite 100

PO Box 660, Napa, CA 94559

Phone: (707) 257-9309