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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.

Water & Sanitation Tenders

United States 5 Oct 2026 (Closes in 7 days) 232232

146851 hngs-instrument misc items thermox & ametek DBA11

United States 6 Oct 2026 (Closes in 8 days) 232235

146575 POLE STEPS

United States 9 Oct 2026 (Closes in 11 days) 232234

145776R1 INSULATORS

United States 14 Oct 2026 (Closes in 16 days) 232233

145042 rotary column lift

United States, Massachusetts 8 Oct 2026 (Closes in 10 days) BD-26-1306-NADPW-NADPW-133491
United States, Massachusetts 28 Oct 2026 (Closes in 30 days) BD-19-1212-MWRA-DITP-133722
United States, Massachusetts 22 Oct 2026 (Closes in 24 days) BD-27-1531-SWSPD-SWSPD-133651
United States, Massachusetts 20 Oct 2026 (Closes in 22 days) BD-27-1784-LWS1-LWS1-133622
United States, Massachusetts 6 Oct 2026 (Closes in 8 days) BD-21-1950-BB001-BB001-133602
United States, Oregon 30 Sep 2026 (Closes in 2 days) S-X34350-00017994
United States, Oregon 30 Sep 2026 (Closes in 2 days) S-X34350-00017995
United States, Oregon 30 Sep 2026 (Closes in 2 days) S-X34350-00017996
United States, Oregon 30 Sep 2026 (Closes in 2 days) S-X34350-00017997
United States, Oregon 30 Sep 2026 (Closes in 2 days) S-X34350-00017998
United States, Oregon 30 Sep 2026 (Closes in 2 days) S-X34350-00017999
United States, Massachusetts 16 Oct 2026 (Closes in 18 days) BD-19-1212-MWRA-DITP-133501
United States, Ohio 27 Oct 2026 (Closes in 29 days) cincinnati-oh-RFQ 275X901192
United States, Massachusetts 14 Oct 2026 (Closes in 16 days) BD-19-1131-BWSC1-BWSC1-133262
United States, Massachusetts 1 Oct 2026 (Closes in 3 days) BD-19-1131-BWSC1-BWSC1-133167
United States, Massachusetts 1 Oct 2026 (Closes in 3 days) BD-21-2174-SWD50-SWD50-133265
United States, Massachusetts 8 Oct 2026 (Closes in 10 days) BD-21-2174-SWD50-SWD50-133266
United States, Oregon 8 Oct 2026 (Closes in 10 days) S-KA0010-00017932
United States, Massachusetts 7 Oct 2026 (Closes in 9 days) BD-27-1531-SWSPD-SWSPD-133209
United States, Massachusetts 30 Sep 2026 (Closes in 2 days) BD-27-1531-SWSPD-SWSPD-132622
United States, Massachusetts 6 Oct 2026 (Closes in 8 days) BD-27-1531-SWSPD-SWSPD-132958

Water & Sanitation Grants

Open Disadvantaged Communities; Environment & Water; Science, Technology, and Research & Development; Tra US

The Program is seeking proposals for planning or implementation projects that construct, repair, modify, or remove transportation infrastructure or water resources infrastructure improving passage for wildlife or fish. Additional consideration will be given for projects that restore or enhance wildlife mobility or fish passage across barriers whose impacts on migration have been increased by drought conditions. WCB is seeking projects that restore or enhance habitat in wildlife migration corridors or that remove impediments to fish passage. Examples of project types and their priority are identified below. All projectsmust provide for improved fish or wildlife mobility, and further the objectives of Proposition 68. The Program supports the following priorities: Priority 1: -Construction...

Open Environment & Water US

The Forest Conservation Program supports planning, acquisition, and restoration projects throughout California’s forests, consistent with the Board's Strategic Plan. The Program was created on November 7, 2006 with the Safe Drinking Water, Water Quality and Supply, Flood Control, River and Coastal Protection Bond Act of 2006 (Proposition 84). That Act charged the Board to develop a grant program and “…promote the ecological integrity and economic stability of California’s diverse native forests for all their public benefits through forest conservation, preservation, and restoration of productive managed forest lands, forest reserve areas, redwood forests and other forest types, including the conservation of water resources and natural habitat for native fish and wildlife and plants foun...

Open Environment & Water US

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; and surface water augmentation. Ineligible Uses: Operation and maintenance costs. Eligible Co...

Open Disaster Prevention & Relief; Environment & Water US

The Real-time Data Grant Program was created to help fund projects to fill a gap in our current flood warning system. This grant program will fund additional real-time telemetry of reservoir elevations at dams with ungated spillways. This will provide important information to forecasters, flood emergency responders, and communities downstream of these dams with ungated spillways during periods of heavy precipitation. The need to improve public safety and achieve other benefits through integrated flood management is urgent due to more people living and working in flood-prone areas, better understanding of system deficiencies, and possible changes in flood magnitude and frequency from a changing climate. In 2018, the Department of Water Resources (DWR) launched the Flood Partnership, in c...

Open Environment & Water US

To protect or restore rivers, wetlands, streams, lakes, or watersheds; improve the resilience of fish and wildlife; or enhance climate resilience, water supply, or water quality. This program supports Water-related projects must align with Chapter 2 of Proposition 4, supporting Safe Drinking Water, Drought, Flood, and Water Resilience. All projects must comply with Section 91032 and must include at least one specific purpose outlined in Section 91032(b). Eligible efforts protect or restore rivers, wetlands, streams, lakes, or watersheds; improve the resilience of fish and wildlife; or enhance climate resilience, water supply, or water quality. Projects must also support at least one regional priority: improving the climate resiliency or protection of the Los Angeles River Watershed, or ...

Open Disadvantaged Communities; Environment & Water US

The State Water Resources Control Board (State Water Board) has identified a need for regional programs that address drought related and contamination issues for state small water systems (state smalls) and domestic wells serving disadvantaged communities (DACs) and low-income households. The State Water Board has funding available from various sources within the Safe and Affordable Funding for Equity and Resilience (SAFER) Program to fund drinking water projects that address drought-related and contamination issues. Although we have several programs already in place, we have identified gaps for regional programs that address the needs of households served by state smalls and domestic wells throughout the State. DFA does not award funding directly to households, and available DFA fundin...

Open Disadvantaged Communities; Environment & Water US
United States $250,000 - $500,000

The Drinking Water State Revolving Fund (DWRSF) program assists public water systems in financing the cost of drinking water infrastructure projects needed to achieve or maintain compliance with Safe Drinking Water Act (SDWA) requirements and support to human right to water. The Division of Financial Assistant (DFA), State Water Board manages the DWSRF program and prioritizes financing for projects that address the most serious human health risks, are necessary to comply with SDWA, and assist public water systems (PWS) most in need on per household basis. Periodically funding programs that help provide clean and safe water are used in combination with the DWSRF program. Eligible small community water systems (SCWS) serving a small disadvantage community (DAC) and small severely disadvan...

Open Disadvantaged Communities; Environment & Water; Parks & Recreation US Prop 68 Regionwide

Create, expand, and/or improve public open space in the RMC's territory by improving water quality supply, create, enhance or improve a reliable water supply and/or restore an important species and habitat. RMC Proposition 68 Project Goals and Objectives: Create, expand, and/or improve public open space throughout the region by improving water quality supply, create, enhance or improve a reliable water supply and/or restore an important species and habitat Improve access to open space and low impact recreation for all communities and promote healthy lifestyles Improve habitat quality, quantity, and connectivity through creation, enhancement, preservation, and restoration Connect open space with a network of trails, accessible as appropriate to the site Promote stewardship of the landsca...

Under federal and state law the primary purpose of the CWSRF Program is to provide financing for eligible projects to restore and maintain water quality in the state. The SWRCB also seeks to reduce the effects of climate change and to promote sustainable water resources for future generations. These objectives must be cost-effective and complement both the federal and state criteria and the policy goals of the State Water Board. Eligible Applicants: Any city, town, district, or other public body created under state law, including state agencies A Native American tribal government or an authorized Native American tribal organization having jurisdiction over disposal of sewage, industrial wastes or other waste Any designated and approved management agency under Section 208 of the Clean Wa...

RUST loans may be used to finance up to 100 percent of the costs necessary to upgrade, remove or replace project tanks, including corrective actions, to meet applicable local state, or federal standards, including, but not limited to, any design, construction, monitoring, operation, or maintenance requirements adopted pursuant to Health and Safety Code sections 25284.1, 25292.05, 25292.4, or 41954. Replacing, Removing, or Upgrading Underground Storage Tanks (RUST) loans are available to assist small business underground storage tank (UST) owners and operators in financing up to 100 percent of the costs necessary to upgrade, remove, or replace project tanks, including corrective actions, to meet applicable local, state, or federal standards, including, but not limited to, any design, con...

Open Environment & Water US

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; and surface water augmentation. Ineligible Uses: Operation and maintenance costs. Eligible Co...

Open Disadvantaged Communities; Environment & Water US

The Cleanup and Abatement Account (CAA) funds may be utilized to fund: (1) projects that clean up and/or abate the effects of a waste on waters of the State, or (2) projects that address urgent drinking water needs. The Cleanup and Abatement Account (CAA) was created by Water Code Sections 13440-13443 to provide grants for the cleanup or abatement of a condition of pollution when there are no viable responsible parties available to undertake the work. Water code section 13442 authorizes the State Water Board to utilize CAA funds to address an urgent drinking water need. This includes needs due to drought, contamination, or other eligible emergencies. The CAA is funded by various monies including those: appropriated by the Legislature; collected as part of criminal penalties or civil pro...

United States $1 - $300,000

The purpose of the funding is to provide technical and financial assistance to local agencies for the planning 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 Eligible Uses: Eligible projects include recycled water treatment; recycled water storage, distribution, and pumping; groundwater recharge; and indirect potable reuse. Ineligible Uses: Operation and maintenance costs. Eligible Costs: All costs necessary to determine the feasibility of using recycled water and to select an alternative to offset or augment the use of fresh/potable water from state or local supplies may be eligible for the planning grant. Eligible Communities: All community ty...

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

Priorities for RMC Prop 1 Grants: 1. Ecosystems and watershed protection and restoration projects 2. Expand access to diverse populations 3. High-need project implementation 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 watersheds, fishery resources and instream flow. 2. Implement watershed adaptation projects in order to reduce the impacts of climate change on communities and ecosystems. 3. Restore river parkways throughout the state, including but not limited to projects pursuant to the Cali...

To fund multi-benefit ecosystem and watershed protection and restoration projects. 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 Watershed Restoration Grant Program funds water quality, river, and watershed protection and restoration projects of statewide importance outside of the Delta.

Open Disadvantaged Communities; Environment & Water US
United States $2,000,000 - $10,000,000

The Drinking Water State Revolving Fund (DWRSF) program assists public water systems in financing the cost of drinking water infrastructure projects needed to achieve or maintain compliance with Safe Drinking Water Act (SDWA) requirements and support to human right to water. The Division of Financial Assistant (DFA), State Water Board manages the DWSRF program and prioritizes financing for projects that address the most serious human health risks, are necessary to comply with SDWA, and assist public water systems (PWS) most in need on per household basis. Periodically funding programs that help provide clean and safe water are used in combination with the DWSRF program. Eligible community water systems (CWS) currently may receive principle forgiveness (PF)/grant from $2,000,000 up to 10...

RUST grants may be used to finance up to 100 percent of the costs necessary to upgrade, remove, or replace UST project tanks to comply with the requirements of Health and Safety Code sections 25284.1, 25292.05, 25292.4, 25292.5, or 41954. Replacing, Removing, or Upgrading Underground Storage Tanks (RUST) grants are available to assist small business underground storage tank (UST) owners and operators in financing up to 100 percent of the costs necessary to upgrade, remove, or replace project tanks to comply with the requirements of Health and Safety Code section 25284.1, 25292.05, 25292.4, 25292.5, or 41954. Please note that removal-only projects are now eligible for RUST grants. Grants are available for between $3,000 and $70,000 to eligible UST owners/operators. An additional $140,000...

Open US RDRUS-26-RFP
United States

This program provides grants to qualified private, non-profit entities to capitalize revolving funds for the purpose of providing financing to eligible entities for pre-development costs associated with proposed water and wastewater projects or with existing water and wastewater systems, and short-term costs incurred for replacement equipment, small-scale extension of services, or other small capital projects that are not part of the regular operations and maintenance activities of existing water and wastewater systems.

Open US EPA-REG4-WPDG-25

Wetland Program Development Grants (WPDGs) assist state, Tribal, territory (Insular Areas), local government agencies, and interstate or intertribal entities in developing or refining state, Tribal, territory, or local programs that protect, manage, and restore wetlands. The goals of the EPA’s wetland program include increasing the quantity and quality of wetlands in the U.S. by conserving and restoring wetland acreage and improving wetland condition. In pursuing these goals, the EPA seeks to develop the capacity of all levels of government to develop and/or refine effective, comprehensive programs for wetland protection and management. This is done through the use of the Core Elements of a Wetlands Program, the Wetlands Program Core Elements Framework and for states and Tribes the deve...

United States $500,000 - $4,000,000

The fundamental goal of the Empty Glass Beverage Transportation Grant Program is to facilitate the transportation of empty glass beverage containers to glass processing facilities through the use of rail transportation within California. The Department of Resources Recycling and Recovery (CalRecycle) receives an annual and continuous appropriation of $1,000,000 from the Beverage Container Recycling Fund to administer the Empty Glass Beverage Transportation Grant Program (PRC section 14545). All projects must be located within California and transportation must come from California located businesses. Eligible projects include: • Projects that facilitate the use of rail transportation of empty glass beverage containers to glass processing facilities Certified by CalRecycle within the sta...

THIS IS A REQUEST FOR INFORMATION (RFI) – This RFI is issued for information and planning purposes only. It does not constitute a Request for Proposal (RFP) or presumes an RFP will subsequently be released. Since this is an RFI and not an RFP, solicitation requests will not receive a response. This notice does not constitute a commitment by the United States Government to contract for any supply or service or reimbursement for responses nor provide feedback on submissions. All information submitted in response to this announcement is voluntary; the United States Government will not pay for information requested or costs incurred in developing information provided to the United States Government. Not responding to this RFI does not preclude participation should any RFPs be released, whic...

Open Disadvantaged Communities; Disaster Prevention & Relief; Environment & Water US
United States $200,000 - $1,500,000

Track 1 of the SB 1 SLR Adaptation Grant Program supports jurisdiction-wide and regional sea level rise planning across California’s coast and San Francisco Bay. Projects advance consistent, comprehensive SLR Adaptation Plans, apply statewide criteria, incorporate equitable community-informed planning, and prepare jurisdictions for future adaptation implementation and funding. Track 1 of the SB 1 Sea Level Rise Adaptation Grant Program supports sea level rise (SLR) adaptation planning for jurisdictions at all stages of the planning process. Funding may support activities that contribute to or culminate in development of an SLR Adaptation Plan. To reflect the different planning frameworks across California’s coast and San Francisco Bay, eligible projects are organized into three categori...

Open Education; Environment & Water; Parks & Recreation US

The Grants and Cooperative Agreements (GCA) Program provides for well managed Off-Highway Vehicle (OHV) Recreation by providing financial assistance to eligible agencies and organizations that develop, maintain, operate, expand, support, or contribute to well managed, high-quality, OHV Recreation areas, roads, and trails, and to responsibly maintain the wildlife, soils, and habitat in a manner that will sustain long-term OHV Recreation. The GCA Program supports the planning, acquisition, development, maintenance, administration, operation, enforcement, restoration, and conservation of trails, trailheads, areas, and other facilities associated with the use of Off-Highway Motor Vehicles, and programs involving Off-Highway Motor Vehicle safety and/or education.

To restore and protect rivers and streams in support of fisheries and wildlife. The California Drought, Water, Parks, Climate, Coastal Protection, and Outdoor Access for All Act of 2018 (Proposition 68) provides funding to award grants to projects that improve a community’s ability to adapt to the unavoidable impacts of climate change; improve and protect coastal and rural economies, agricultural viability, wildlife corridors, or habitat; develop future recreational opportunities; or enhance drought tolerance, landscape resilience, and water retention. Project priorities include, but are not limited to, reconnection of rivers with their floodplains, riparian and side-channel habitat restoration, and restoration and protection of upper watershed forests and meadow systems that are import...

The Office of Insular Affairs (OIA) is seeking proposals for its Technical Assistance Program (TAP), which offers grant funding for short-term projects aimed at addressing the immediate needs of insular areas. The TAP program provides discretionary grant funding to tackle urgent economic, financial, government service, and capacity challenges in the insular areas.

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