site banner
Proposition 1 IRWM
Prop 1 Logo

On November 4, 2014, California voters approved Proposition 1, the Water Quality, Supply, and Infrastructure Improvement Act of 2014. Proposition 1 authorized the appropriation of $510 million in Integrated Regional Water Management (IRWM) funding for Implementation, Planning, and Disadvantaged Community Involvement efforts to each Funding Area.

The Proposition 1 IRWM Grant Program, administered by DWR, provides funding for projects that help meet the long term water needs of the state, including:

  • To assist water infrastructure systems adapt to climate change;
  • To provide incentives throughout each watershed to collaborate in managing the region's water resources and setting regional priorities for water infrastructure; and
  • To improve regional water self-reliance, while reducing reliance on Sacramento-San Joaquin Delta.

The draft Guidelines and the funding opportunities in the Proposition 1 IRWM Grant Program are listed below:

Please reference our 'Upcoming Events' webpage for the Proposition 1 IRWM Grant Program solicitation schedule. To stay up to date on the Proposition 1 Grant Program, sign up to receive IRWM emails.

IRWM Funding Area Allocations and Map

Funding Area Proposition 1 Allocation
North Coast $26,500,000
San Francisco Bay Area $65,000,000
Central Coast $43,000,000
Los Angeles $98,000,000
Santa Ana $63,000,000
San Diego $52,500,000
Sacramento River $37,000,000
San Joaquin River $31,000,000
Tulare/Kern $34,000,000
North/South Lahontan $24,500,000
Colorado River $22,500,000
Mountain Counties $13,000,000
TOTAL $510,000,000

For IRWM group point of contact information, please visit the IRWM Planning Regions Contact List.

Proposition 1 Funding Area Map Prop. 1 San Diego Funding Area Prop. 1 Colorado River Funding Area Prop. 1 Santa Ana Funding Area Prop. 1 Los Angeles Funding Area Prop. 1 Central Coast Funding Area Prop. 1 Tulare/Kern Funding Area Prop. 1 San Joaquin Funding Area Prop. 1 Mountain Counties Funding Area Prop. 1 San Francisco Bay Area Funding Area Prop. 1 North Coast Funding Area Prop. 1 Sacramento River Funding Area Prop. 1 North/South Lahontan Funding Area North Coast San Francisco Bay Area Central Coast Los Angeles Santa Ana San Diego Sacramento River San Joaquin River Tulare/Kern North/South Lahontan Colorado River Mountain Counties

Note: The GIS and contact information presented in this map has been provided to DWR by the participating planning regions and is subject to change. To comment on the information presented in the IRWM funding area contact/map documents, please contact DWR at DWR_IRWM@water.ca.gov.