Apply for Grants 2026 under Framework to Achieve California DPR Alternative Treatment Equivalency United States of America, The Water Research Foundation (WRF) has announced a funding opportunity inviting research proposals to develop a comprehensive framework for evaluating alternative treatment equivalency in Direct Potable Reuse (DPR) systems across California. Through this initiative, eligible U.S.-based organizations can receive up to $300,000 to support innovative research that enhances safe drinking water reuse, informs the development of California’s DPR regulations, and promotes science-based treatment approaches designed to safeguard public health.
Applicants are encouraged to carefully review the full details and submit their applications before the specified deadline to seize this grant opportunity.
Last Date of Submission: 2nd September 2026
Apply for Grants 2026 under Framework to Achieve California DPR Alternative Treatment Equivalency United States of America Program Overview
The Water Research Foundation (WRF) is accepting research proposals under its Framework for Achieving Alternative Treatment Equivalency for Direct Potable Reuse (DPR) initiative. This competitive research grant seeks to advance scientific knowledge by creating a standardized framework for assessing alternative treatment technologies used in Direct Potable Reuse systems. The initiative is intended to support California’s growing water reuse efforts while ensuring that drinking water quality, public health safeguards, and regulatory standards remain uncompromised.
The selected research project will provide regulators, utilities, and water professionals with practical tools to evaluate innovative treatment solutions capable of producing safe, high-quality drinking water through advanced water reuse technologies.
| Particulars | Details |
| Program Name | Framework for Achieving Alternative Treatment Equivalency for Direct Potable Reuse (DPR) |
| Funding Organization | Water Research Foundation (WRF) |
| Funding Type | Research Grant |
| Maximum Grant Amount | Up to $300,000 |
| Project Duration | 18–24 months from the contract start date |
| Eligible Applicants | U.S.-based educational institutions, universities, research organizations, government agencies, consulting firms, and eligible for-profit organizations |
| Primary Focus | Direct Potable Reuse (DPR), alternative treatment equivalency, water reuse regulations, and public health protection |
Apply for Grants 2026 under Framework to Achieve California DPR Alternative Treatment Equivalency United States of America Objectives of the Research Grant
The funded project is expected to:
- Create a scientific framework for evaluating alternative treatment technologies used in Direct Potable Reuse systems.
- Support California’s implementation of future DPR projects across the state.
- Preserve the effectiveness and consistency of DPR regulatory requirements.
- Identify the scientific evidence and validation methods needed to establish treatment equivalency.
- Improve regulatory decision-making for emerging water treatment technologies.
- Enhance public health protection through science-driven water reuse practices.
Apply for Grants 2026 under Framework to Achieve California DPR Alternative Treatment Equivalency United States of America What is Direct Potable Reuse (DPR)?
Direct Potable Reuse (DPR) is an advanced water recycling process in which highly treated reclaimed wastewater is introduced directly into a public drinking water system without first passing through natural environmental buffers such as reservoirs or groundwater aquifers.
Since the treated water becomes part of the drinking water supply immediately, DPR systems rely on advanced purification technologies, continuous monitoring, and strict regulatory oversight to ensure water quality and public safety.
Understanding Alternative Treatment Equivalency
Alternative treatment equivalency refers to proving that an innovative water treatment process delivers the same level of performance, reliability, and public health protection as treatment technologies already approved under Direct Potable Reuse regulations.
A standardized evaluation framework will allow regulators to assess new technologies consistently while encouraging innovation in advanced water treatment solutions.
Importance of This Research
California continues to expand water reuse programs as part of its long-term water security strategy. As utilities adopt newer treatment technologies, regulators require scientifically validated methods to determine whether these alternatives provide protection equivalent to existing approved systems.
The research supported through this grant will establish practical evaluation criteria that balance technological innovation with rigorous public health standards. The resulting framework will help streamline future DPR projects while improving consistency in regulatory reviews.
Apply for Grants 2026 under Framework to Achieve California DPR Alternative Treatment Equivalency United States of America Funding Details
The Water Research Foundation will provide:
- Maximum Grant Amount: Up to $300,000
- Funding is intended for research focused on developing alternative treatment equivalency frameworks for Direct Potable Reuse systems.
Apply for Grants 2026 under Framework to Achieve California DPR Alternative Treatment Equivalency United States of America Project Timeline
Selected projects are expected to be completed within:
- 18 to 24 months from the official contract start date.
Applicants should prepare a realistic implementation schedule that can be completed within this timeframe.
Research Focus Areas
Research proposals may address one or more of the following themes:
Alternative Treatment Equivalency Framework
- Develop a scientifically robust framework for evaluating treatment equivalency.
- Establish objective criteria for assessing alternative treatment technologies.
- Improve consistency in regulatory evaluations.
Scientific Data Requirements
- Identify the data needed to demonstrate treatment equivalency.
- Define measurable performance indicators.
- Recommend validation and verification procedures.
Treatment Evaluation Methods
- Design practical methods for assessing treatment effectiveness.
- Recommend analytical tools and evaluation techniques.
- Support evidence-based regulatory decisions.
Public Health Protection
- Ensure innovative treatment approaches maintain drinking water safety.
- Build confidence in Direct Potable Reuse systems.
- Support risk-informed decision-making.
Regulatory Readiness
- Facilitate broader implementation of DPR projects across California.
- Improve regulatory consistency for innovative technologies.
- Contribute to future updates of California’s Direct Potable Reuse regulations.
Eligibility Criteria
Applications are invited from eligible organizations based in the United States, including:
- Educational institutions
- Universities and colleges
- Research organizations
- Government agencies
- Consulting firms
- Eligible for-profit organizations
Applicants should demonstrate expertise in fields such as water treatment, environmental engineering, public health, water reuse, regulatory science, or related disciplines.
Ineligible Applicants
Researchers cannot participate as named proposal team members if they have outstanding Water Research Foundation-sponsored projects that are delayed without an approved no-cost extension under the WRF Board of Directors’ Timeliness Policy. Applicants should ensure compliance with all eligibility requirements before submitting a proposal.
Expected Outcomes
The selected research project is expected to:
- Develop a standardized framework for treatment equivalency.
- Improve evaluation of innovative Direct Potable Reuse technologies.
- Support statewide implementation of DPR systems.
- Strengthen science-based regulatory decision-making.
- Enhance drinking water safety.
- Encourage innovation in advanced water treatment.
- Protect public health through validated scientific approaches.
How the Research Will Be Conducted
Selected organizations will undertake research to establish scientific methods for demonstrating that alternative treatment technologies offer protection equivalent to currently approved Direct Potable Reuse treatment systems.
The project will identify performance criteria, data requirements, validation methods, and decision-making tools that regulators and water utilities can use when assessing future DPR technologies.
How to apply?
Note: For more comprehensive details click the link below
Get full access to the grant information, visit the Official Website Link
FAQs – Water Research Foundation Research Grant 2026
Q1. What is the Water Research Foundation Research Grant 2026?
The Water Research Foundation (WRF) Research Grant 2026 is a competitive funding program that supports research aimed at developing a framework for evaluating alternative treatment technologies used in Direct Potable Reuse (DPR) systems. The initiative seeks to promote safe water reuse while strengthening regulatory standards and protecting public health.
Q2. Who is eligible to apply for the WRF Research Grant 2026?
The grant is open to eligible U.S.-based organizations, including universities, educational institutions, research organizations, government agencies, consulting firms, and qualified for-profit entities with expertise in water treatment, environmental engineering, public health, or related fields.
Q3. How much funding is available under the Water Research Foundation Research Grant 2026?
Selected projects can receive up to $300,000 in funding. Approved research projects are expected to be completed within 18 to 24 months from the contract start date.
Q4. What types of research does the WRF Research Grant support?
The grant supports research related to Direct Potable Reuse (DPR), including alternative treatment equivalency frameworks, treatment performance evaluation, scientific validation methods, regulatory readiness, public health protection, and innovative water reuse technologies.
Q5. How can organizations apply for the Water Research Foundation Research Grant 2026?
Interested organizations should review the official funding announcement, confirm their eligibility, prepare a detailed research proposal with methodology, work plan, qualified research team, and project budget, and submit the application according to the Water Research Foundation’s prescribed guidelines before the application deadline.
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