Implementation Grant Program

San Joaquin Delta

The IRWM Implementation Grant Program provides funding for implementation projects that meet the intent of Proposition 1, Chapter 7

Approximately $403 million in grant funding is being made available for implementation projects with at least $51 million being made available for projects that provide benefits to Disadvantaged CommunitiesDWR is awarding grants on a competitive basis in two funding rounds.  To apply for grants through this program, project proponents must coordinate through their established IRWM Regional Water Management Group, and the Regional Group must in turn coordinate with other groups within the Proposition 1 IRWM Funding Area. 

Round 2 Grant Solicitation

The Round 2 solicitation will make approximately $192 million (the remaining funds for Implementation grants) for awards. On December 10, 2021, DWR released the Draft Proposition 1 - Round 2 IRWM Implementation Grant Proposal Solicitation Package (PSP) and 2022 IRWM Program Guidelines (GLs) and opened a 60-day public comment period.

How to submit comments on the Draft GLs/PSP:

Electronic submissions strongly encouraged.

1. Send an Email to:

2. Send a letter (postmarked by the deadline) to: 


Financial Assistance Branch

Department of Water Resources

P.O. Box 942836

Sacramento, CA 94236

Attention: Round 2 IRWM Implementation Grant Program


DWR will be hosting three virtual public workshops to review the draft GL and PSP and answer questions from the public. Please see below for the dates and registration link.  

Virtual Workshop on Draft Guidelines and PSP – Northern California

February 1, 2022


Registration Link:

Virtual Workshop on Draft Guidelines and PSP – Central California

February 3, 2022

10am -12pm

Registration Link:

Virtual Workshop on Draft Guidelines and PSP – Southern California

February 8, 2022


Registration Link:

Please note if you cannot attend the appropriate meeting for your area, you may sign up for another day.


Round 1 Grant Solicitation 

On April  22, 2019, DWR released the Final Proposition 1 - Round 1 IRWM Implementation Grant Proposal Solicitation Package (PSP) and Final 2019 Guidelines (Guidelines). This solicitation made approximately $222 million available.

In 2020, DWR awarded $211 million to 42 IRWM Regions in the Round 1 funding  for implementation projects including approximately $25 million for disadvantaged community projects.

Guidelines & Proposal Solicitation Package

The documents below will provide potential grant applicants with an overview of the program and detailed requirements for this solicitation.

How to Contact Us

Find general contact information in the directory, or select the button below for IRWM, including regional and grant contacts.

Contact Division

Newsletters & Subscriptions

Subscribe to the IRWM Grants mailing list for new solicitations, document releases, upcoming workshops, and other IRWM grant-related announcements.


Grant Updates

Low water levels at Lake Mendocino, a large reservoir in Mendocino County, California, northeast of Ukiah on October 13, 2021.

To address drought impacts across the state, DWR announced the release of the program guidelines and proposal solicitation package to distribute $200 million in funding available through the Urban and Multibenefit Drought Relief Grant Program.