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Water & Sanitation Grants in the United States

Find tenders and grants for water supply, sanitation and hygiene (WASH), wastewater treatment, desalination, irrigation and integrated catchment management. Curated for water engineering firms, WASH NGOs, desalination and treatment plant operators, and irrigation contractors.

152 open grants in this category

Water treatment facility — WASH and sanitation infrastructure

Water & Sanitation Opportunities

Find tenders and grants for water supply, sanitation and hygiene (WASH), wastewater treatment, desalination, irrigation and integrated catchment management. Curated for water engineering firms, WASH NGOs, desalination and treatment plant operators, and irrigation contractors.

Here is a selection of open grants. Register for free to view all water & sanitation funding opportunities.

To fund multi-benefit ecosystem and watershed protection and restoration projects that benefit the Delta. The Water Quality, Supply, and Infrastructure Improvement Act of 2014 (Proposition 1) provides funding to implement the three broad objectives of the California Water Action Plan: more reliable water supplies, the restoration of important species and habitat, and a more resilient, sustainably managed water resources system (e.g., water supply, water quality, flood protection, environment) that can better withstand inevitable and unforeseen pressures in the coming decades. The Delta Water Quality and Ecosystem Restoration Grant Program funds projects that benefit the Delta.

Open Energy; Environment & Water; Housing, Community and Economic Development; Libraries and Arts; Parks US

IBank's ISRF Loan Fund program provides low-cost, direct loans to local governments and nonprofits sponsored by public agencies for a wide variety of public infrastructure and economic expansion projects (excluding housing) that improve and sustain communities, helping individuals and families thrive. We focus on small and mid-/moderate-sized local governments and special districts — including those in underserved regions and communities. ISRF loans can fund a wide variety of projects – including water and wastewater treatment plant upgrades or construction, venue or airport construction, or street repair and upgrades. ISRF financing is available in amounts ranging from $1 million to $65 million with loan terms for the useful life of the project up to 30 years. With IBank You: • Save ti...

United States

The Groundwater and Streamflow Information Program of the USGS is offering a cooperative agreement funding opportunity to States, federally recognized Native American Tribal governments, or local water-resources agencies that collect groundwater data to participate in the National Ground-Water Monitoring Network. The USGS is working to develop and administer the National Ground-Water Monitoring Network (NGWMN). This funding opportunity is to support data providers for the National Ground-Water Monitoring Network.Legal authority for this opportunity is provided under Public Law 111-11, Subtitle F—Secure Water: Section 9507 "Water Data Enhancement by the United States Geological Survey," as amended in 2024 by Public Law 118-174. Funds will be used to support connecting new data providers ...

Open Disadvantaged Communities; Environment & Water; Parks & Recreation US Prop 1 LLAR

Priorities for RMC Prop 1 LLAR (Lower LA River) Grants: 1. Ecosystems and watershed protection and restoration projects, 2. Protect and Enhance the LA River 2. Expand access to diverse populations, 4. High-need project implementation RMC’s LLAR Grants are specific to the Lower LA River corridor, considered within 1.5 miles of the main stem or tributary of the Lower LA River. Projects should be consistent with the Lower LA River Revitalization Plan. Proposition 1 allocation to the RMC is pursuant to Chapter 6 Protecting Rivers, Lakes, Streams, Coastal Waters and Watersheds and sets forth thirteen specific purposes and all grant funds must achieve at least four or more of the following objectives in order to receive funds: 1. Protect and increase the economic benefits arising from healthy...

United States $1,500,000 - $550,000,000

The Pollution Control Tax-Exempt Bond Financing Program facilitates low cost capital through private activity, tax-exempt bonds. The securities pay for acquisition, construction or installation of qualified pollution control, water furnishing, waste disposal, waste recovery facilities and equipment. Tax-exempt bond financing assists qualified borrowers to obtain lower interest rates than are available through conventional loans. CPCFA acts as a conduit issuer in the transaction. The bonds are issued to raise capital for revenue-generating projects where the funds are used by the borrower to make payments to investors. The conduit financing is typically backed by either the borrower's credit or monies pledged to the project by outside investors. If the project fails and goes into default...

United States

Agency Name: Fort Worth DistrictDescription:Note: A full study proposal and proposed budget are NOT requested at this time.Project Title: Tree Island Wildlife Habitat Assessment for Water Conservation Area 3 and Everglades National Park, FloridaResponses to this Request for Statements of Interest will be used to identify potential organizations for this project. Approximately $200,000 is expected to be available to support this project for the base period. Additional funding may be available to the successful recipient for optional tasks and/or follow on work in subsequent years.  Description of Anticipated Work: See attached Statement of Objectives.Period of Performance.  The base period of the agreement will extend 12 months from the date of award. There ...

United States

The USGS is offering a funding opportunity to a CESU partner for research to characterize tidal creek water chemistry in fresh and salt marshes in Barataria Basin, Louisiana, supporting development of a decision support tool that will assess wetland recovery in response to oil spill damage and subsequent restoration. This activity is intended to support evaluation of restoration actions within the Louisiana Restoration Area; perform data collection, aggregation and analyses; and inform critical information gaps. This work is carried out pursuant to the 33 U.S.C. 2701, 2761Oil Pollution Act of 1990 (OPA) statute and regulations. Consistent with the Consent Decree for the Deepwater Horizon oil spill, the Trustees carry out their obligations according to Final Programmatic Damage Assessmen...

United States

The U.S. Department of the Interior, through the Bureau of Reclamation (Reclamation) administers a competitive grant program for small water storage and groundwater storage projects, authorized by Section 40903 of the Infrastructure Investments and Jobs Act (2021), Public Law 117-58. Reclamation administers the Small Surface and Groundwater Storage Program (Small Storage Program) to enhance water storage opportunities for future generations in support of the Department"s priorities.This Notice of Funding Opportunity (NOFO) Reclamation supports stakeholder efforts to stretch scarce water supplies and avoid conflicts over water in the 17 western states, Alaska, and Hawaii. Reclamation invites sponsors of small surface water and groundwater storage projects to request cost-shared funding f...

Open US USDA-FS-WOOD-INNOVATIONS-2026
United States

The USDA Forest Service requests proposals to substantially expand and accelerate wood energy and wood products markets throughout the United States to support forest management needs on National Forest System and other forest lands. The grants and agreements awarded under this announcement will support the Agriculture Improvement Act of 2018 Pub. L. 115-334 Sec. 8643, Rural Revitalization Technologies 7 U.S.C. Sec. 6601, and Infrastructure Investment and Jobs Act Pub. L. 117-58 Div. J Title VI to meet the nationwide challenge of disposing of hazardous fuels and other wood residues from the National Forest System and other U.S. forest lands in a manner that supports wood products and wood energy markets. This Request for Proposals focuses on the following priorities to: 1.) Reduce wildf...

United States

Through WaterSMART, the Bureau of Reclamation (Reclamation) leverages Federal and non-Federal funding to work cooperatively with States, Tribes, and local entities as they plan and implement actions to increase water supply and hydropower reliability. The WaterSMART Program demonstrably advances Trump administration priorities, such as those identified in Presidential Executive Order 14154 (January 20, 2025): Unleashing American Energy (E.O. 14154) and Secretarial Order 3418, and aligns with other priorities and requirements, such as those identified in Presidential Executive Order 14332 (August 7, 2025): Improving Oversight in Federal Grantmaking (E.O. 14332). The goal of the WaterSMART Applied Science Grants (ASG) Notice of Funding Opportunity (NOFO) is to invite eligible entities to ...

Open US O-COPS-2026-172583

This is a notice of funding opportunity (NOFO) for the FY26 Technology and Equipment Program (TEP). This noncompetitive, invitational, funding opportunity provides funding to state, territorial, local, Tribal, and other entities designated under the heading “Community Oriented Policing Services, Technology and Equipment Community Projects / COPS Law Enforcement Technology and Equipment” in the Congressional Joint Explanatory Statement – Division C, which is incorporated by reference into Public Law 119-74, to develop and acquire effective law enforcement equipment, technologies and interoperable communications that assist in responding to and preventing crime and expand the implementation of community policing. Equipment funded under this program should meet any applicable requirements ...

United States

The USGS is offering a funding opportunity to a CESU partner for research in remote sensing algorithm development and to validate remote sensing data products for evaluating phytoplankton communities in Barataria estuary. The research investigates the effectiveness of using remote sensing technologies to monitor estuarine phytoplankton that are essential lower trophic levels in aquatic food webs.The following Executive Orders (EOs), Secretarial Orders (SOs), and Authorization align with this NOFO. The EOs include EO 14313 – Establishing the President's Make America Beautiful Again Commission (July 3, 2025) that creates a commission to promote conservation, restore lands and waters, and expand access to public lands, , EO 14303 – Restoring Gold Standard Science (May 23, 2025) that ensure...

A.   The U.S. Army Corps of Engineers (USACE) invites proposals for a project to conduct a comprehensive uncertainty analysis for new outflow rating equations associated with a critical water control structure on Lake Superior. The primary focus of this funding opportunity is to enhance the accuracy and reliability of discharge measurements, which are fundamental to the effective management of the Great Lakes system under the Lake Superior Regulation Plan. The base task, along with both options, are all tasks that are related to improving Lake Superior outflow regulation. However, these tasks are not interdependent. The base, option 1 and option 2, are simply a priority given to these tasks if funding should be available. Task 1: Current operational procedures for the str...

Open US USDA-NIFA-CEGP-32987

The Equipment Grants Program (EGP) serves to increase access to shared-use special purpose equipment/instruments for fundamental and applied research for use in the food and agricultural sciences programs at institutions of higher education, including State Cooperative Extension Systems. The program seeks to strengthen the quality and expand the scope of fundamental and applied research at eligible institutions by providing them with opportunities to acquire one shared-use piece of equipment/instrument that supports their research, research training, and extension goals that may be too costly and/or not appropriate for support through other NIFA grant programs. The program emphasizes shared-use instrumentation that will enhance the capabilities of researchers, educators, and extension s...

Open US USDA-FS-COMMUNITY-WOOD-2026
United States

The USDA Forest Service is delivering the Community Wood Energy and Wood Innovation Program (Community Wood) to support the Rural Revitalization Technologies 7 U.S.C. Sec. 8113 and Agriculture Improvement Act of 2018 Pub. L. 115-334 Sec. 9013, and Infrastructure Investment and Jobs Act (Bipartisan Infrastructure Law) Pub. L. 117-58 Div. J Title VI which directly support the installation of thermally led community wood energy systems or development and expansion of innovative wood product facilities. The intent of the Community Wood is to support forest health and stimulate local economies by expanding renewable wood energy use and innovative wood products manufacturing capacity.  The Forest Service solicits proposals for projects that will achieve the following: Expand thermally le...

The National Oceanic and Atmospheric Administration (NOAA) National Ocean Service (NOS) U.S. Integrated Ocean Observing System (IOOS) Office is requesting proposals for 5-year awards supporting coordinated regional efforts that advance the Nation’s understanding and decision-making of its coastal ocean and Great Lakes through integrated observations, data provision and management, modeling, and engagement. The U.S. IOOS is a national and regional partnership working to produce, integrate, and communicate high quality ocean, coastal, and Great Lakes data that meets the safety, economic, and stewardship needs of the nation. Information regarding this Announcement, including additional background information, is available on the U.S. IOOS website (https://ioos.noaa.gov/about/funding-opport...

United States

NOTE: At this time we are only requesting that you demonstrate available qualifications and capability for performing similar or same type of work by submitting a Statement of Interest. A full proposal and budget are NOT requested at this time. A cooperative agreement is being offered ONLY to members of the Cooperative Ecosystem Studies Units (CESU) Program Region(s) Alaska & Colorado Plateau Regions Responses to this Request for Statements of Interest will be used to identify potential organizations for this project. Approximately $355,000 is expected to be available to support this project for the base period. Additional funding may be available to the successful recipient for optional tasks and/or follow on work in subsequent years. To be considered for award, the intended Recipi...

The purpose of the BIT3 Program is to fund the replacement or rehabilitation of county-owned bridges that are classified as Type 3 bridges[1] by the U.S. Department of Interior Bureau of Reclamation (USBR) and cross a water conveyance structure owned by USBR. Eligible applicants under the BIT3 Competitive Grant Program are counties which own a Type 3 bridge crossing a water conveyance structure owned by USBR. Projects eligible for funding are projects for the replacement or rehabilitation of bridges that: (A) are owned by a county; (B) are classified as a Type 3 bridge by USBR; (C) are eligible under the Federal Lands Access Program (FLAP) (23 United States Code (U.S.C.) § 204); and (D) cross a water conveyance structure owned by USBR. The BIT3 Competitive Grant Program does not require...

The U.S. Fish and Wildlife Service (Service) Coastal Program provides technical and financial assistance to partners to support projects that protect and restore fish and wildlife habitats on public and private lands in priority coastal ecosystems. This support is provided through cooperative agreements with conservation partners and landowners, including state and Tribal agencies. Coastal Program staff work with partners, stakeholders, and other Service programs in important areas for conservation. They implement regional strategic plans that identify priority species and habitats for conservation in these focus areas.Applicants seeking technical or financial assistance from the Coastal Program are required to contact a local Program office BEFORE developing or submitting an applicatio...

United States

Through WaterSMART, the Bureau of Reclamation (Reclamation) leverages Federal and non- Federal funding to work cooperatively with States, Tribes, and other entities as they plan for and implement actions to increase water supply and hydropower reliability. The WaterSMART Program demonstrably advances Trump administration priorities, such as those identified in Presidential Executive Order 14154 (January 20, 2025): Unleashing American Energy (E.O. 14154) and Secretarial Order 3418, and aligns with other priorities and requirements, such as those identified in Presidential Executive Order 14332 (August 7, 2025): Improving Oversight in Federal Grantmaking (E.O. 14332). The WaterSMART Title XVI Water Reclamation and Reuse Projects NOFO invites eligible applicants to submit proposals for the...

Through this Notice of Federal Funding Opportunity, the NOAA Climate Program Office (https://cpo.noaa.gov/funding-opportunities/) of the Office of Oceanic and Atmospheric Research is soliciting proposals for the Regional Integrated Sciences and Assessments FY 2026 competition for cooperative agreements.States and communities regularly face risks from weather and climate-driven hazards, including flooding, extreme temperatures, water shortages, wildfires, and severe storms. These events directly impact the health, housing, safety, business development, and economies of communities and frequently recur in seasonal cycles. Beyond short-term cycles of emergency response, state and local governments are seeking to improve their understanding and address current risks, while improving their overall...

Open US NOAA-NOS-IOOS-2026-32698

Request for Applications Description: The U.S. Integrated Ocean Observing System (IOOS®) is a national and regional partnership working to provide ocean, coastal and Great Lakes observations, data, tools, and forecasts to improve safety, enhance the economy, and protect our environment. To increase observational and technical capabilities we need smart investments to innovate sensors, data management, decision support products, and other technical capabilities that will improve our ability to monitor and forecast environmental conditions with greater efficiency. The primary objective of IOOS’ Ocean Technology Transition Project (OTT) is to reduce the Research to Operations/Commercialization transition period for ocean observing, product development, and data management technologies for ...

Open US NSMFHP-26-INFRA

The primary goal of the Nationally Significant Multimodal Freight and Highway Projects (INFRA) program is to fund surface transportation infrastructure projects of national or regional significance that improve the safety, efficiency, and reliability of the movement of people and goods in addition to expanding safe, accessible public parking for commercial motor vehicles.The Department intends to execute project selections under this Notice of Funding Opportunity (NOFO) utilizing approximately $626.7 million in available funding. Specifically, this total includes:• $319.8 million in FY 2023 INFRA funds;• $106.9 million in FY 2024 INFRA funds; and• $200 million in FY 2026 INFRA Commercial Motor Vehicle Parking funds.The Department intends to make project selections using the currently av...

United States

The objective of the WaterSMART Enhancing Water Resources Projects funding opportunity is to invite eligible entities to apply for funding to implement projects per the authorizing language referenced above that benefit water resource management for multiple uses, including water conservation and efficiency projects, water infrastructure improvements, and river and watershed restoration. Projects that balance numerous community interests (agriculture, recreation, fisheries, power, etc.), were developed collaboratively, and provide significant watershed benefits will be prioritized under this funding opportunity. This program demonstrably advances Trump administration priorities, such as those identified in Presidential Executive Order 14154 (January 20, 2025): Unleashing American Energy...

Open Disadvantaged Communities; Environment & Water US

is a set of tools, funding sources, and regulatory authorities designed to ensure that one million Californians who currently lack safe drinking water receive safe & affordable drinking water as quickly as possible. The SAFER Program’s goal is to provide safe drinking water in every California community, for every Californian. In 2019, Senate Bill 200 (SB200) established the Safe and Affordable Drinking Water (SADW) Fund to address funding gaps and provide solutions to water systems, especially those serving DACs, to address both their short- and long-term drinking water needs. The SADW Fund is one of several funds that are part of the larger SAFER Program. Complementary funding sources administered by the State Water Board’s Division of Financial Assistance for drinking water projects ...

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