Water Infrastructure Grants in California
As of July 28, 2026, FundingLandscape tracks 30+ open water infrastructure grants in California you can apply for today, refreshed daily from the live corpus. Of the 15 with a fixed deadline, 1 closes within the next 14 days and 2 close within 30 days. Among the 20 that publish an award ceiling, the median is $2.5M. Where eligibility is stated (16 of 30), the most common applicants are state & local governments, nonprofits, and tribal governments & organizations.
Updated daily with open opportunities you can apply to now.
All listings verified open and accepting applications
Open Water Infrastructure Opportunities in California
- F26AS00062: Great Lakes Fish and Wildlife Restoration Act FY 2026
Fish and Wildlife Service · Deadline: Aug 3, 2026 · Up to $500,000
- Technical Assistance and Training for Rural, Small and Tribal Municipalities and Wastewater Treatment Systems
Environmental Protection Agency · Deadline: Aug 14, 2026 · Up to $3,000,000
- 2027 Department of Pesticide Regulation Sustainable Pest Management Grants Program
Department of Pesticide Regulation · Deadline: Sep 1, 2026 · Up to $1,000,000
- National Estuarine Research Reserve System (NERRS) Land Acquisition and Construction Program for Fiscal Year 2026
DOC NOAA - ERA Production · Deadline: Sep 18, 2026 · Up to $3,000,000
- Native American Affairs: Fiscal Year 2025 Colorado River Basin Tribal Drought Resiliency Program
Bureau of Reclamation · Deadline: Sep 23, 2026 · Up to $1,000,000
- FY26 Bureau of Land Management Plant Conservation and Restoration Management - Bureau wide
Bureau of Land Management · Deadline: Sep 28, 2026 · Up to $500,000
- FY2026 ABPP - Battlefield Land Acquisition Grant
National Park Service · Deadline: Sep 30, 2026 · Up to $17,400,000
- RESTORE Act Direct Component – Construction and Real Property Acquisition Activities
U.S. Dept. of Treasury RESTORE Act Program · Deadline: Oct 31, 2026 · Up to $120,153,261
- RESTORE Act Direct Component - Non-Construction Activities
U.S. Dept. of Treasury RESTORE Act Program · Deadline: Oct 31, 2026 · Up to $120,153,261
- F26AS00085 Aquatic Invasive Species Interjurisdictional Grants to the Great Lakes States and Tribes - Fiscal Year 2026 Great Lakes Restoration Initiative
Fish and Wildlife Service · Deadline: Dec 31, 2026 · Up to $923,809
- F26AS00084 Aquatic Invasive Species Grants to Great Lakes Tribes - Fiscal Year 2026 Great Lakes Restoration Initiative
Fish and Wildlife Service · Deadline: Dec 31, 2026 · Up to $100,000
- WaterSMART: Applied Science Grants
Bureau of Reclamation · Deadline: Apr 13, 2027 · Up to $400,000
- Title XVI Water Reclamation and Reuse Projects
Bureau of Reclamation · Deadline: Aug 26, 2027 · Up to $40,000,000
- WaterSMART Enhancing Water Resources Projects
Bureau of Reclamation · Deadline: Sep 8, 2027 · Up to $3,000,000
- WaterSMART Cooperative Watershed Management Program
Bureau of Reclamation · Deadline: Feb 15, 2028 · Up to $300,000
- Proposition 1
Coachella Valley Mountains Conservancy
- Conservation District Fund Allocation Program (CDFAP) Program funding is available to Pennsylvania’s 66 County Conservation Districts. Funding is provided for Manager, Erosion and Sediment Control Technicians, other technical positions and Administrative Assistance. Funding is allocated by the State Conservation Commission to County Conservation Districts in accordance with the CDFAP Statement of Policy to assist districts with carrying out the mission of Conservation Districts.
Pennsylvania DEP/DCED
- Chesapeake Bay Program Engineer Funding This program provides funding for Chesapeake Bay Program Engineer Specialist and Engineer Assistant positions and is available to county conservation districts within the Pennsylvania portion of the Chesapeake Bay Watershed. Funding can be used to employ Engineer personnel, to acquire technical equipment and supplies, or for travel for the purpose of implementing the program.
Pennsylvania DEP/DCED
- Oak Woodlands Conservation
Wildlife Conservation Board · Up to $2,000,000
- Clean Water State Revolving Fund (CWSRF) Program
State Water Resources Control Board
- Proposition 4 Grant Program
Tahoe Conservancy · Up to $13,000,000
- Restoration Grant Program
California Department of Fish and Wildlife
- Drinking Water State Revolving Fund (DWSRF) Planning
State Water Resources Control Board · Up to $500,000
- Engineering for Civil Infrastructure
U.S. National Science Foundation
- Cannabis Research and Innovation Funding Opportunity (RIFO)
Department of Fish and Wildlife
- Fisheries Restoration Grant Program
California Department of Fish and Wildlife
- County-wide and Regional Funding Program
State Water Resources Control Board
- Cannabis Restoration Grant Program
California Department of Fish and Wildlife
- Environmental Sustainability
U.S. National Science Foundation · Up to $7,066,000
- Water, Landscape, and Critical Zone Processes
U.S. National Science Foundation · Up to $23,850,000
Showing 30 live opportunities. See all in search →