Best Water Grants in Puerto Rico

The USDA Rural Development program provides essential loans and grants to improve water and waste disposal services in low-income communities, specifically targeting Colonias recognized before 1989. This initiative aims to alleviate health risks associated with inadequate access to safe drinking water and waste management. Eligible applicants include federally-recognized tribes and local governments, with funds supporting the construction of vital infrastructure to ensure community health and sustainability.

The Water and Waste Facility Loans and Grants program aims to provide safe drinking water and waste disposal services to low-income communities on Tribal lands, addressing significant health risks. Eligible applicants include federally-recognized Tribes, state and local governments, and nonprofit organizations. Funding can be used for constructing essential water and waste systems, and while matching funds are typically required, a full grant is possible under certain conditions. Applications are accepted year-round.

The Hazen and Sawyer Scholarship, valued at $10,000, is awarded annually to a graduate-level candidate dedicated to addressing critical challenges in drinking water, water reuse, and water resources. Sponsored by the American Water Works Association (AWWA), this scholarship supports students who are permanent residents of the U.S., Mexico, or Canada. Eligible funds cover tuition, books, and related educational expenses, enhancing the recipient's ability to contribute to the water industry.

The W. Wesley Eckenfelder Graduate Research Award, administered by the AEESP Foundation, recognizes outstanding graduate students in environmental engineering and science whose research enhances wastewater management knowledge. This prestigious annual award offers a $1,500 honorarium and a plaque for winners, along with a $500 travel stipend for attending the AAEES awards ceremony. Eligible candidates include both Master’s and Ph.D. students who demonstrate exemplary academic performance and innovative research contributions.

The RNRF Implementation/Collaboration Grants support innovative projects that enhance collaboration among stakeholders to address critical challenges in environmental, social, and economic systems. Offering up to $200,000 for initiatives lasting 12 months or more, these grants aim to implement evidence-based practices and facilitate multidisciplinary teamwork. Eligible applicants must be from 501c3 organizations in the U.S., ensuring alignment with RNRF's mission and focus areas, fostering sustainable and impactful outcomes.

The RNRF Planning and Small Grants program provides funding up to $50,000 to support projects that enhance collaboration among community partners in addressing critical environmental issues. Eligible applicants must be 501c3 organizations in the U.S. and demonstrate multidisciplinary cooperation. Projects should align with RNRF's mission and focus areas, including air quality, biodiversity, and renewable energy. The initiative aims to create sustainable and impactful outcomes by bridging research and practical implementation.

About Us

advancing the science of water ®

Who We Are

The Water Research Foundation (WRF) is the leading research organization advancing the science of all water to meet the evolving needs of its subscribers and the water sector. WRF is a 501(c)(3) nonprofit, educational organization that funds, manages, and publishes research on the technology, operation, and management of drinking water, wastewater, reuse, and stormwater systems—all in pursuit of ensuring water quality and improving water services to the public.

5430 - Unlocking Value and Opportunities from Carbon Flows in Water Utilities

Grant Information

• Identify carbon flows across drinking water, stormwater, wastewater, and advanced treatment systems. Carbon flows may include source water, stormwater, process emissions, process inputs, residuals, and biogas.
• Identify the most relevant carbon recovery, capture, conversion, storage, and avoidance opportunities.
• Evaluate value creation pathways, including products, avoided costs, and environmental attributes, and mechanisms and partnerships needed to put them into practice.
• Assess how opportunities vary across system types and local contexts by focusing on more common scenarios for utilities.
• Provide practical, research-based insights to support identification, prioritization, evaluation, and advancement of carbon management opportunities under site-specific conditions and constraints.
• Evaluate implications for greenhouse gas (GHG) accounting, environmental attribute claims, and other potential benefits across pathways.

About Us

advancing the science of water ®

Who We Are

The Water Research Foundation (WRF) is the leading research organization advancing the science of all water to meet the evolving needs of its subscribers and the water sector. WRF is a 501(c)(3) nonprofit, educational organization that funds, manages, and publishes research on the technology, operation, and management of drinking water, wastewater, reuse, and stormwater systems—all in pursuit of ensuring water quality and improving water services to the public.

5411 - Practical Playbook for Adaptive Utility Capital Improvement Planning Under Deep Uncertainty

Grant Information

• Assess current utility practices for incorporating adaptive or flexible decision making into capital improvement planning (CIP) at the portfolio or programmatic level.
• Identify where deep uncertainty most affects CIP decision points, including investment areas prone to lock-in or points of no return.
• Document the institutional processes, frameworks, and governance structures that have enabled utilities to embed adaptive and flexible investment strategies.
• Quantify how adaptive capital strategies compare to traditional CIP approaches in terms of lifecycle costs, rate stability, financial risk exposure, and avoided or deferred capital investments across a range of plausible future conditions.
• Establish practical criteria to help utilities determine which types of capital investments are well suited for adaptive approaches.
• Develop a practitioner-focused playbook that equips utilities to apply adaptive CIP in practice, including case studies, decision trees, trigger points, vulnerability assessment tools, financial and risk insights, and governance guidance.
• Produce tiered recommendations that allow utilities to adopt adaptive CIP practices incrementally.

About Us

advancing the science of water ®

Who We Are

The Water Research Foundation (WRF) is the leading research organization advancing the science of all water to meet the evolving needs of its subscribers and the water sector. WRF is a 501(c)(3) nonprofit, educational organization that funds, manages, and publishes research on the technology, operation, and management of drinking water, wastewater, reuse, and stormwater systems—all in pursuit of ensuring water quality and improving water services to the public.

5418 - Optimizing PFAS Treatment Systems for Multi-contaminant Removal and Operational Benefits

Project Objectives

About Us

advancing the science of water ®

Who We Are

The Water Research Foundation (WRF) is the leading research organization advancing the science of all water to meet the evolving needs of its subscribers and the water sector. WRF is a 501(c)(3) nonprofit, educational organization that funds, manages, and publishes research on the technology, operation, and management of drinking water, wastewater, reuse, and stormwater systems—all in pursuit of ensuring water quality and improving water services to the public.

5426 - Investigation of Non-Point Sources of PFAS in Sewersheds and Potential Mitigation Strategies

Grant Information

Evaluate the impact of non-point or dispersed sources of per- and polyfluoroalkyl substances (PFAS) in the sewershed (including PFAS-contaminated groundwater infiltration) on PFAS mass loading to wastewater treatment plants.

Assess how PFAS loading from non-point or dispersed sources of PFAS in the sewershed may affect treatment efficiency and reuse water quality.

Improve understanding of PFAS precursor contributions.

Identify potential strategies to mitigate PFAS loading from non-point or disbursed sources of PFAS in the sewershed.

About Us

advancing the science of water ®

Who We Are

The Water Research Foundation (WRF) is the leading research organization advancing the science of all water to meet the evolving needs of its subscribers and the water sector. WRF is a 501(c)(3) nonprofit, educational organization that funds, manages, and publishes research on the technology, operation, and management of drinking water, wastewater, reuse, and stormwater systems—all in pursuit of ensuring water quality and improving water services to the public.

5416 - Innovative Approaches to Extend Lifetime and Minimize O&M for Nature-based Installations

Grant Information

• Identify and evaluate innovative design, construction, and management approaches that extend the functional lifetime of nature-based installations and reduce ongoing operations and maintenance (O&M) requirements.
• Develop practical guidance on key factors affecting nature-based solution (NbS) longevity, including hydraulic optimization, engineered media selection and replacement, plant selection, sediment management, and construction-phase best practices.
• Survey utilities and other NbS owners to document current maintenance practices, costs, and hours, and establish benchmarks to inform targets for improvement.

About Us

advancing the science of water ®

Who We Are

The Water Research Foundation (WRF) is the leading research organization advancing the science of all water to meet the evolving needs of its subscribers and the water sector. WRF is a 501(c)(3) nonprofit, educational organization that funds, manages, and publishes research on the technology, operation, and management of drinking water, wastewater, reuse, and stormwater systems—all in pursuit of ensuring water quality and improving water services to the public.

5415 - Guidelines to Develop Best-In-Class Maintenance Strategies for Vertical Assets

Grant Information

• Develop a clear understanding of the background and benefits associated with implementing well-rounded maintenance strategies for vertical assets.
• Develop a structured approach to identify and implement best-in-class maintenance strategies for vertical assets that improve reliability, increase asset availability, reduce unplanned work and emergency shutdowns, support the transition from reactive to proactive maintenance, and minimize total lifecycle cost.
• Apply leading practices such as Reliability Centered Maintenance (RCM) and cutting-edge technologies and analytics to vertical assets.

About Us

advancing the science of water ®

Who We Are

The Water Research Foundation (WRF) is the leading research organization advancing the science of all water to meet the evolving needs of its subscribers and the water sector. WRF is a 501(c)(3) nonprofit, educational organization that funds, manages, and publishes research on the technology, operation, and management of drinking water, wastewater, reuse, and stormwater systems—all in pursuit of ensuring water quality and improving water services to the public.

5429 - Bioavailability and Transformation of Dissolved Organic Nitrogen and Phosphorus Across WRRFs

Project Objectives

• Survey and characterize dissolved organic nitrogen and phosphorus (DON/DOP) concentrations and speciation across North American wastewater facilities, including but not limited to influent, secondary effluent, tertiary effluent, digester supernatant, thermal hydrolysis process (THP) centrate, autothermal thermophilic digestion (ATAD) sidestreams, and dewatering recycle streams.
• Understand the dynamics of DON/DOP in effluent, including quantifying the bioavailable fraction of DON/DOP in different relevant process streams, evaluating their transformation into nitrogenous disinfection by-product (N-DBP) precursors, determining bio-uptake rates representative of receiving water conditions, and measuring the timescale for biodegradation in receiving waters.

About Us

advancing the science of water ®

Who We Are

The Water Research Foundation (WRF) is the leading research organization advancing the science of all water to meet the evolving needs of its subscribers and the water sector. WRF is a 501(c)(3) nonprofit, educational organization that funds, manages, and publishes research on the technology, operation, and management of drinking water, wastewater, reuse, and stormwater systems—all in pursuit of ensuring water quality and improving water services to the public.

5427 - Advancing Actionable Climate Resilience Metrics for Water Supply Planning

Grant Information

• Catalog existing performance metrics that consistently drive water utility operational and capital decisions, assess their applicability to support future resilience-based decision making under nonstationary climate conditions, and identify adjustments or alternative metrics needed to support forward-looking, resilience-based decision making for water utilities.
• Determine the appropriate level of climate resilience analysis needed to evaluate and apply climate resilience metrics, with requirements scaled based on metric sensitivity to climate change, decision context, and utility characteristics.
• Develop guidance to integrate climate resilience metrics into planning and decision processes.

About Us

advancing the science of water ®

Who We Are

The Water Research Foundation (WRF) is the leading research organization advancing the science of all water to meet the evolving needs of its subscribers and the water sector. WRF is a 501(c)(3) nonprofit, educational organization that funds, manages, and publishes research on the technology, operation, and management of drinking water, wastewater, reuse, and stormwater systems—all in pursuit of ensuring water quality and improving water services to the public.

5409 - Smarter Water Governance with AMI: Conservation, Affordability, and Rate Design

Grant Information

• Evaluate how utilities are currently leveraging advanced metering infrastructure (AMI) data to inform pricing, conservation programs (including emergency curtailment practices), affordability programs, and plans for future implementation.
• Analyze AMI data and assess how the data can be leveraged to develop and/or enhance conservation programs, policies, rates, and affordability programs.
• Investigate the potential for advanced analytics, including machine learning, of AMIdatasets to support adaptive or dynamic rate structures, early detection of hardship or atrisk households, categorization of customer classes, dynamic tiering based on household size, and better targeting of affordability and conservation interventions.
• Identify the obstacles utilities and regulators face when balancing conservation, equity, and revenue stability, and how improved AMI data can clarify tradeoffs.

About Us

advancing the science of water ®

Who We Are

The Water Research Foundation (WRF) is the leading research organization advancing the science of all water to meet the evolving needs of its subscribers and the water sector. WRF is a 501(c)(3) nonprofit, educational organization that funds, manages, and publishes research on the technology, operation, and management of drinking water, wastewater, reuse, and stormwater systems—all in pursuit of ensuring water quality and improving water services to the public.

5428 - Establish Standardized Guidelines for Embedding O&M Considerations into the Design Process

Grant Information

• To provide provisions that address common, recurring design issues that drive operations and maintenance (O&M) time and material, including but not limited to standardization of spare parts and consumables, support for condition based and predictive and preventive maintenance, and maintain-in-place design strategies.
• To develop standardized design guidance to measurably reduce lifecycle O&M labor hours for municipal water and wastewater treatment facilities, pumping stations, etc., once required process performance and regulatory compliance are achieved.

About Us

advancing the science of water ®

Who We Are

The Water Research Foundation (WRF) is the leading research organization advancing the science of all water to meet the evolving needs of its subscribers and the water sector. WRF is a 501(c)(3) nonprofit, educational organization that funds, manages, and publishes research on the technology, operation, and management of drinking water, wastewater, reuse, and stormwater systems—all in pursuit of ensuring water quality and improving water services to the public.

5412 - Determinants of Workforce Retention in Public-Sector Water Utilities

Grant Information

• Quantify the relative influence of compensation, pension stability, mission alignment, schedule flexibility, leadership support, career development opportunities, and other factors on employee retention in public-sector water utilities.
• Identify and analyze key impediments to retaining talent, including structural, cultural, compensation-related, and organizational barriers.
• Identify and benchmark retention best practices from sectors outside the water industry to assess transferability and develop case studies of high-retention organizations to distill replicable strategies and measurable success factors.

About Us

advancing the science of water ®

Who We Are

The Water Research Foundation (WRF) is the leading research organization advancing the science of all water to meet the evolving needs of its subscribers and the water sector. WRF is a 501(c)(3) nonprofit, educational organization that funds, manages, and publishes research on the technology, operation, and management of drinking water, wastewater, reuse, and stormwater systems—all in pursuit of ensuring water quality and improving water services to the public.

5419 - Crossing the Divide – Best Practices for Addressing Local and Privately-Owned Lateral Sewer Issues

Grant Information

To provide water resource recovery facilities (WRRFs) and collection system operators with an interactive manual of practice for implementing inflow and infiltration (I&I) and obstruction management programs with a focus on municipal and privately owned lateral sewers in complex legal, regulatory, and multi-jurisdictional environments.

About Us

advancing the science of water ®

Who We Are

The Water Research Foundation (WRF) is the leading research organization advancing the science of all water to meet the evolving needs of its subscribers and the water sector. WRF is a 501(c)(3) nonprofit, educational organization that funds, manages, and publishes research on the technology, operation, and management of drinking water, wastewater, reuse, and stormwater systems—all in pursuit of ensuring water quality and improving water services to the public.

5424 - Adaptive Control Frameworks to Unlock Full-Scale BNR Potential

Grant Information

• Identify and categorize the dominant failure modes of current aeration and process control implementations under real-world operating conditions.
• Develop guidance on data and instrumentation requirements for utilities to support adaptive control, including the characterization of existing sensor infrastructure and the use of soft sensors where hard sensors are limited.
• Develop practical adaptive control frameworks and implementation guidance that utilities can deploy without dependence on proprietary black-box tools or specialized data science expertise, including hybrid approaches that augment conventional controls with data-driven models (e.g., artificial intelligence (AI)/machine learning (ML), digital twins) for variable flow and concentration conditions.
• Benchmark control performance against biological capacity indicators across multiple full-scale facilities to quantify the gap between achievable and realized biological nutrient removal (BNR) performance.

About Us

advancing the science of water ®

Who We Are

The Water Research Foundation (WRF) is the leading research organization advancing the science of all water to meet the evolving needs of its subscribers and the water sector. WRF is a 501(c)(3) nonprofit, educational organization that funds, manages, and publishes research on the technology, operation, and management of drinking water, wastewater, reuse, and stormwater systems—all in pursuit of ensuring water quality and improving water services to the public.

5432 - Validating Reverse Osmosis Conductivity Profiling for Pathogen Log Reduction Value Credit

Grant Information

• Validate conductivity profiling against pathogen removal by establishing the relationship between conductivity-profile response and MS2 bacteriophage removal under intact and controlled membrane integrity-defect conditions.
• Demonstrate the robustness and applicability of conductivity profiling across representative reverse osmosis conditions, including new and aged membranes, different defect types and severities, operating conditions, variations in feedwater quality/composition/salinity, and temperature.
• Develop a validation implementation framework that defines testing procedures, log removal value calculation methods, sensitivity and performance criteria, continuous monitoring, alarm/response thresholds, and operational requirements needed to support regulatory pathogen log removal values credit for reverse osmosis.

About Us

advancing the science of water ®

Who We Are

The Water Research Foundation (WRF) is the leading research organization advancing the science of all water to meet the evolving needs of its subscribers and the water sector. WRF is a 501(c)(3) nonprofit, educational organization that funds, manages, and publishes research on the technology, operation, and management of drinking water, wastewater, reuse, and stormwater systems—all in pursuit of ensuring water quality and improving water services to the public.

5434 Preparing for UCMR 6: Understanding Occurrence of Trifluoroacetic Acid and Emerging Ultrashort-Chain PFAS

Grant Information

• Characterize the occurrence of trifluoroacetic acid (TFA) and other ultrashort-chain organofluorine compounds included in the Sixth Unregulated Contaminant Monitoring Rule (UCMR 6) in representative U.S. drinking water systems.
• Evaluate changes across existing full-scale treatment processes using source and finished water samples to identify treatment trains that demonstrate measurable removal or reduction of these compounds.
• Develop a response and communication protocol to support utilities when communicating the results of the sampling and potential detection of TFA and other UCMR 6 ultrashort-chain organofluorine compounds.

About Us

advancing the science of water ®

Who We Are

The Water Research Foundation (WRF) is the leading research organization advancing the science of all water to meet the evolving needs of its subscribers and the water sector. WRF is a 501(c)(3) nonprofit, educational organization that funds, manages, and publishes research on the technology, operation, and management of drinking water, wastewater, reuse, and stormwater systems—all in pursuit of ensuring water quality and improving water services to the public.

5433 - Optimizing Membrane Biofouling Control in Potable Water Reuse Treatment Trains

Grant Information

Main Objective: Evaluate alternative biofouling control chemicals and operational strategies to optimize performance across the potable reuse treatment train while maintaining treatment performance and finished-water quality. Supporting objectives include:

• Identify and assess alternative biofouling control chemicals and operational strategies that can reduce membrane fouling and differential pressure, reduce cleaning frequencies, minimize degradation of ultraviolet transmittance (UVT), and reduce lifecycle cost.
• Evaluate treatment-train performance impacts, including effects on membrane system performance, membrane lifespan, UVT, and ultraviolet advanced oxidation processes (UV-AOP) performance and energy demand, finished-water quality, and concentrate management.
• Quantify lifecycle benefits and tradeoffs associated with selected strategies, including energy and chemical consumption, membrane replacement and cleaning frequency, monitoring and reporting requirements, operator safety and chemical handling, environmental considerations, and capital/operating and maintenance costs.

The Clif Family Foundation Open Call invites 501(c)(3) organizations to apply for grants supporting general operating costs or specific projects. With a focus on regenerative farming, food worker health, climate justice, and food access, the foundation aims to empower grassroots initiatives. Grants range from $5,000 to $50,000, with applications reviewed twice a year. Deadlines are March 1 and August 1, and announcements occur about four months post-deadline.

The Anchor QEA Scholarship supports graduate students pursuing degrees in engineering, environmental sciences, or related fields, with awards between $1,000 and $10,000. This program emphasizes helping those in financial need, particularly focusing on BIPOC students to address inequities in STEM. Eligible candidates must demonstrate a commitment to community service and possess an inclusive mindset. This initiative reflects Anchor QEA's dedication to fostering a diverse and equitable educational environment.

The Metropolitan Water District of Southern California's Innovative Conservation Program (ICP) has funded innovative water savings projects since 2001, with $250,000 available biannually. The program aims to evaluate and demonstrate the reliability of new water-saving technologies. Nearly 400 proposals have sought $36 million in funding. The ICP, supported by multiple agencies, encourages projects that can benefit Southern California's water efficiency, inviting proposals from outside its service area to enhance regional water management.

The John Ben Snow Memorial Trust Grant supports educational programs and initiatives that assist individuals demonstrating financial need. Founded in 1975, it prioritizes funding for organizations that enhance educational opportunities, arts, culture, and community initiatives, particularly for youth and disadvantaged populations. The Trust encourages proposals from 501(c)(3) organizations, with grants typically ranging from $10,000 to $20,000. It also considers limited proposals in disabilities, environmental protection, and historic preservation, focusing on educational impact.

The Horton PhD Research Grant supports up to three Ph.D. students annually in hydrology and related fields, funded by the Robert E. Horton Fund. It provides a maximum of $10,000 for research and travel, along with $500 for U.S. and Canadian applicants participating in AGU's annual meeting. Eligible students must be active AGU members, enrolled for the award's duration, and meet all application requirements. This grant promotes excellence in hydrological sciences.