Proposition 4 – Water Recycling

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

Details

• Agency: State Water Resources Control Board
• Type: Grant
• Funding Source: State
• Estimated Available Funds: $150,000,000.00
• Estimated Awards: Dependant on number of submissions received, application process, etc.
• Award Amount: Between $1.00 and $15,000,000.00
• Funding Method: Reimbursement(s)
• Matching Funds: 50%
• Geography: All community types are eligible for funding. This includes small and large communities, non-disadvantaged, disadvantaged, and severely disadvantaged communities.

Apply here: https://www.waterboards.ca.gov/water_issues/programs/grants_loans/srf/docs/2026/draft-2026-27-cwsrf-iup-comments.pdf