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Proposition 4 – Water Recycling is sponsored by State Water Resources Control Board. 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
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Or search similar grants →According to the current listing, eligibility includes: 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. Confirm the full requirements in the official notice before applying.
The current listing shows between $1 and $15,000,000. Verify award ceilings, matching requirements, and allowable costs in the official notice.
Applications for Proposition 4 – Water Recycling are due June 30, 2030. Build your timeline backwards from this date to cover registrations, approvals, and final submission checks.
Proposition 4 – Water Recycling is funded by State Water Resources Control Board. Verify program details on the funder's official page before applying.
This opportunity targets applicants in California. If your organization operates elsewhere, check the official notice for location requirements.
Start from the official opportunity page linked in this listing — it carries the sponsor's submission instructions.
On June 29, 2026, EPA announced it will waive the $25,000 WIFIA application fee and the credit processing fee — averaging roughly $156,000 per loan — for communities of 25,000 or fewer residents in fiscal years 2026 and 2027. Combined, that removes nearly $200,000 in upfront cost from the single most affordable federal water-infrastructure financing program, which carries roughly $11 billion in available capacity and can cover up to 80% of eligible project costs at Treasury-rate pricing. For small towns, rural utilities, and the nonprofits and districts that serve them, this is a rare instance of the federal government lowering the barrier to a program that has historically been out of reach for exactly the communities that need it most. Here is what changed, who qualifies, and how to move on a letter of interest before the window closes.
Read articleFor FY2026 and FY2027, EPA is waiving the $25,000 WIFIA application fee and the ~$156,000 credit-processing fee for water systems serving 25,000 or fewer people — a near-$200,000 discount on access to an $11 billion pool of low-cost federal financing. The waiver removes the single barrier that kept small and rural utilities out of WIFIA for a decade. Here is how WIFIA actually works, who qualifies, why the letter of interest is the real gate, and how a town of 8,000 should think about a program built for billion-dollar projects.
Read articleWhile applicants chase fixed federal deadlines, USDA Rural Development keeps roughly $4.1 billion moving through programs with no deadline at all — Community Facilities, Water & Waste Disposal, and Business & Industry loans that accept applications year-round. But 2026 brought a quiet shake-up: REAP grants paused, RBDG's competitive window closed. Here is the map of what's open, what's frozen, and how rural organizations should work a rolling pipeline.
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