Water Infrastructure Grants in California
As of September 12, 2026, FundingLandscape tracks 30+ open water infrastructure grants in California you can apply for today, refreshed daily from the live corpus. Of the 16 with a fixed deadline, 1 closes within the next 14 days and 6 close within 30 days. Among the 16 that publish an award ceiling, the median is $2.5M. Where eligibility is stated (14 of 30), the most common applicants are nonprofits, state & local governments, 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
- Cooperative Agreement for Affiliated Partner with the Californian Cooperative Ecosystem Studies Unit (CESU)
Geological Survey · Deadline: Sep 12, 2026
- 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 28, 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
- Desalination and Water Purification Research Program: Research Projects
Bureau of Reclamation · Deadline: Sep 29, 2026 · Up to $800,000
- Rural Decentralized Water System Grant Program
Rural Utilities Service · Deadline: Sep 30, 2026
- FY2026 ABPP - Battlefield Land Acquisition Grant
National Park Service · Deadline: Sep 30, 2026
- Innovative Water Infrastructure Workforce Development Grant
Environmental Protection Agency · Deadline: Oct 15, 2026 · Up to $7,800,000
- 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
- DARRP Restoration Implementation Grants (2026)
DOC NOAA - ERA Production · Deadline: Nov 18, 2026 · Up to $100,000,000
- 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
- F26AS00105 National Fish Passage Program
Fish and Wildlife Service · Deadline: Apr 30, 2027
- 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
- Proposition 4
Coachella Valley Mountains Conservancy
- Oak Woodlands Conservation
Wildlife Conservation Board · Up to $2,000,000
- Proposition 4 Grant Program
Tahoe Conservancy · Up to $13,000,000
- Clean Water State Revolving Fund (CWSRF) Program
State Water Resources Control Board
- 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
- Fisheries Restoration Grant Program
California Department of Fish and Wildlife
- Cannabis Research and Innovation Funding Opportunity (RIFO)
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
- Water, Landscape, and Critical Zone Processes
U.S. National Science Foundation
- Water, Landscape, and Critical Zone Processes (WaLCZ)
National Science Foundation
Showing 30 live opportunities. See all in search →