Proposition 4 – Water Recycling — State Water Resources Control Board funding opportunity
State Water Resources Control Board · State agency

Proposition 4 – Water Recycling

Purpose: 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 o...

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Deadline Rolling Location California Type grant Level State Open
✦ AI Summary
  • Who can apply: State-level applicants (see eligibility for details).
  • Funding amount: total funding pool ~$150,000,000.
  • Deadline: Rolling — applications accepted any time.
  • Issued by: State Water Resources Control Board.
How was this generated?

The “key facts” mode pulls structured fields directly from the official source posting (amount, deadline, eligibility tags). The AI mode adds a short plain-English narrative on top, generated from the same source. Always verify with the agency before applying.

AI-generated. Always verify with the official source.

Who can apply — at a glance

  • Eligible applicants: see the Eligibility tab for the criteria from the official announcement.
  • Where: California.
  • Award: amount not specified by the source. Total program pool: $150,000,000.
  • Matching funds: not required.
  • Deadline type: Rolling.

Compiled from the official listing's structured fields — always verify with the funder before applying.

About the funder

State Water Resources Control Board is a state-level funder.

See all 14 open programs from this agency →

Deadline
Rolling
Total pool
$150M

About this opportunity

Purpose: 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. Description: 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 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 - Construction. Eligible Communities: All community types are eligible for funding. This includes small and large 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   Eligibility Requirements Eligible Applicants: 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. Eligible Geographies: All community types are eligible for funding. This includes small and large severely disadvantaged communities. Important Dates Application deadline The date (and time, where applicable) by which all applications must be submitted to the grantmaker. Time listed as “00:00” equates to midnight. 6/30/27 23:59 Expected award announcement The date on which the grantor expects to announce the recipient(s) of the grant. June 30, 2027 Period of performance The length of time during which the grant money must be utilized. Expire June 30, 2027 Funding Details Total estimated available funding The total projected dollar amount of the grant. $150,000,000 Expected number of awards A single grant opportunity may represent one or many awards. Some grantors may know in advance the exact number of awards to be given. Others may indicate a range. Some may wish to and wait until the application period closes before determining how many awards to offer; in this case, a value of “Dependent” will display. Dependent Estimated amount per award Grant opportunities representing multiple awards may offer awards in the same amount or in varied amounts. Some may wish to wait until the application period closes before determining per-award amounts; in this case, a value of “Dependent” will display. $1 – $15,000,000 Letter of Intent Required? Certain grants require that the recipient(s) provide a letter of intent. No Requires Matched Funding? Certain grants require that the recipient(s) be able to fully or partially match the grant award amount with another funding source. 48% Funding Source: The funding source allocated to fund the grant. It may be either State or Federal (or a combination of both), and be tied to a specific piece of legislation, a proposition, or a bond number. State Funding Source Notes: Proposition 4 Water Recycling Funding Method: The manner in which the grant funding will be delivered to the awardee. Funding methods include reimbursements (where the recipient spends out-of-pocket and is reimbursed by the grantor) and advances (where the recipient spends received grant funds directly). Reimbursement(s) Funding Method Notes: Grant is calculated at 35% of eligible construction costs up to $15 million per project. How to Apply State agencies/departments recommend you read the full grant guidelines before applying.

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Who can apply

Purpose: 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. Description: 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 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 - Construction. Eligible Communities: All community types are eligible for funding. This includes small and large severely disadvantaged communities.

Geographic eligibility

  • California

How to apply

We don't have application instructions on file yet — head straight to the official source.

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Source documents

View on agency site
Canonical NOFO, application packet, and forms
No supplemental documents yet.

Direct downloads (NOFO PDFs, application forms, FAQs) will appear here once our team attaches them. For now, the agency site has the canonical packet.

Citation details

Source systemca-grants
Source ID184101

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