Water Quality Grants

Department of Resources Recycling and Recovery

Tire-Derived Aggregate (TDA) is made from shredded tires as an alternative to conventional lightweight aggregates that is: Lightweight Free-draining Less expensive Eligible Applicants Include: -All California local government entities, including cities, counties, and cities and counties. -Special districts, including transportation districts. -Joint Powers Authorities in which all JPA members are also eligible applicants. -Public school districts. -All California state agencies, including offices, departments, bureaus, and boards. -University of California, California State University, and California Community Colleges. -Private, for-profit entities.      Defined as a business intended to operate at a profit and return a profit to its owner(s).      The business must be California-based, or if in another state, must have an operational presence in   California: see Application Guidelines and Instructions for complete details and restrictions. -Non-profit organizations, except private elementary or secondary schools, registered with the federal government under section 501(c)(3), (c)(4), (c)(6), or (c)(10) of the Internal Revenue Code. -Qualifying Tribal Entities.       A Qualifying Tribal Entity is defined as a tribe, band, nation, or other organized group or community, residing within the borders of California, which:           Is recognized for special programs and services provided by the United States to Indians because of the               status of its members as Indians or:           Can prove that it is a government entity and meets the criteria of the grant program. Eligible projects include: Category 1: Mechanically Stabilized TDA for retaining walls. Category 2: Low Impact Development, stormwater mitigation including stormwater infiltration galleries. Category 3: Lightweight film, slope stabilization, embankment fill, landslide repair, and retaining walls. Category 4: Vibration mitigation under rail lines. Category 5: Landfill application, aggregate replacement projects such as leachate and gas collection systems, drainage layers, and leachate injection.   How to apply: Funding - CalRecycle Home Page  Applications due October 15, 2026.

National Park Service

Goal: Encourage outdoor recreation and natural, historical, and cultural tourism that expands access to and awareness of the Chesapeake Bay watershed and fosters economic development of communities.ObjectivesNPS Chesapeake Gateways is offering this competitive grant opportunity to strengthen a community's ability to offer or enhance outdoor recreation and natural, historical, and cultural tourism that connects visitors and residents to the Chesapeake Bay watershed as detailed in the Chesapeake Bay Initiative Act of 1998.Through this grant opportunity, NPS Chesapeake Gateways will:Enhance outdoor recreation and natural, historical, and cultural tourism in the Chesapeake Bay watershed.Support projects that link outdoor and heritage tourism to economic impact.Celebrate gateway communities that welcome and invite locals and visitors to explore authentic Chesapeake Gateways Places and stories through outdoor recreation and natural, historical, and cultural experiences.Grant ThemeChesapeake Gateways is a network of places that provide opportunities to explore outdoor recreation and authentic natural, historical, and cultural experiences of the Chesapeake Bay watershed. Included in this network are diverse recreational, natural, cultural, historical, and recreational sites, trails, museums, parks, wildlife refuges, interpretive and orientation facilities, and associated programs. These places, and Chesapeake Gateways as a whole, serve as entry points and the key guide for experiencing the Chesapeake Bay watershed.

Rural Community Assistance Partnership

Technical assistance for rural water and wastewater system improvements

Environmental Conservation

2025 Clean Water Board Pollution Control Grants

Bureau of Reclamation

The WaterSMART Cooperative Watershed Management Program funding opportunity invites eligible entities to apply for funding to develop local solutions to address their water management needs. This opportunity provides funding for watershed group development, restoration planning, and watershed management project planning and design. By providing this funding, Reclamation promotes water reliability and cooperation between stakeholders to reduce conflict, facilitate solutions to complex water issues, and stretch limited water supplies.The WaterSMART Cooperative Watershed Management 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).

State Water Resources Control Board

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; 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 - Planning, Design, and Construction. Eligible Communities: All community types are eligible for funding.  This includes small and large communities, non-disadvantaged, disadvantaged, and 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  

State Water Resources Control Board

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; 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 - Planning, Design, and Construction. Eligible Communities: All community types are eligible for funding.  This includes small and large communities, non-disadvantaged, disadvantaged, and 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