Proposition 4 – Water Recycling

State Water Resources Control Board$1–$15,000,000Due Jul 1, 2030

Unofficial — verify with the issuing agency before applying.

Nonprofits Government / tribal Large award Broad eligibility

Deadline: Jul 1, 2030
Posted: Jul 7, 2025
Award amount: $1–$15,000,000
Focus areas: Environment & Water

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We’ll email you before Jul 1, 2030 so you have time to apply.

In plain English

This program is open to California local public agencies, 501(c)(3) nonprofits, public utilities, state-recognized Native American tribes, and mutual water companies. The State Water Resources Control Board funds construction (and, for large-scale projects, planning and design) of recycled water treatment, storage, distribution, groundwater recharge, and related water-reuse infrastructure, with awards ranging from $1 up to $15 million. Operation and maintenance costs are not eligible, but all community types, including non-disadvantaged and disadvantaged, may apply. The application deadline is July 1, 2027.

AI-generated summary to help you decide quickly — verify the official eligibility rules before applying.

Who can apply

Nonprofit; Public Agency; Tribal Government

About this grant

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

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Related grants

Other open grants funding Environment & Water — soonest deadline first.

Also listed under California State Grants.

Source: public records via Grants.gov. UseGrants is an independent aggregator, not affiliated with any funding agency. Always confirm details on the official listing before applying.