California

Proposition 4 – Water Recycling

State Water Resources Control Board

Deadline
Jun 30, 2030
Award size
Up to $15M
Total funding
$150M
Posted
Jul 6, 2025
Cost sharing
Not required

About this grant

The purpose of the funding is to provide technical and financial assistance to local agencies for the construction of water recycling projects that promote the beneficial use of treated municipal wastewater in order to augment fresh water supplies in California. Eligible Applicants: Local public agencies, 501(c)(3) nonprofit organizations qualified to do business in California, Public Utilities, Federally and non-federally recognized Native American tribes on the Native American Heritage Commission’s list, and Mutual water companies. Eligible Uses: Eligible projects include recycled water treatment; recycled water storage, distribution, and pumping; groundwater recharge; indirect potable reuse; surface water augmentation; and large scale recycled water projects. Ineligible Uses: Operation and maintenance costs.  Eligible Costs:  Construction Grant Funding - Construction costs only Construction Grant Funding - Large Scale Recycled Water Projects - Planning, Design, and Construction. Eligible Communities: All community types are eligible for funding.  This includes small and large communities, non-disadvantaged, disadvantaged, and severely disadvantaged communities. For more information, please review the Water Recycling Funding Program (WRFP) Guidelines:  https://www.waterboards.ca.gov/water_issues/programs/grants_loans/docs/wrfp_guidelines.pdf

Who can apply

501(c)(3) nonprofitsFederally recognized tribal governmentsCity or township governments

Nonprofit; Public Agency; Tribal Government Local public agencies, 501(c)(3) nonprofit organizations qualified to do business in California, Public Utilities, Federally and non-federally recognized Native American tribes on the Native American Heritage Commission’s list, and Mutual water companies. Geography: All community types are eligible for funding. This includes small and large communities, non-disadvantaged, disadvantaged, and severely disadvantaged communities. Matching funds: 50%

What it funds

Relevant to: California

How to apply

Read the full announcement on the California Grants Portal before you start. Contact: email: sandeep.kals@waterboards.ca.gov; tel: 1-916-324-8404;

Funder website

Who can apply for Proposition 4 – Water Recycling?

Eligible applicants: 501(c)(3) nonprofits; Federally recognized tribal governments; City or township governments. Nonprofit; Public Agency; Tribal Government Local public agencies, 501(c)(3) nonprofit organizations qualified to do business in California, Public Utilities, Federally and non-federally recognized Native American tribes on the Native American Heritage Commission’s list, and Mutual water companies. Geography: All community types are eligible for funding. This includes small and large communities,

When is the deadline?

Applications are due Jun 30, 2030. Always confirm the time and time zone in the official announcement.

How much funding is available?

Individual awards: Up to $15M. Total program funding: $150M.

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