Water Grants provide funding for organizations and programs in this focus area. Sources include federal agencies, state programs, and private foundations. Use the listings below to find current opportunities, eligibility requirements, and deadlines — and apply directly to the funder when you find a fit.
Open Space - River Corridors Grant (WA) Status: ACTIVE Funder: King County Parks Amount: Up to US $1,000,000 Last Updated: March 14, 2025 Summary The Open Space - River Corridors Grant in Washington…
OR Feasibility Study Grants Status: ACTIVE Funder: Oregon Water Resources Department Amount: Up to US $500,000 Last Updated: March 31, 2026 Summary The OR Feasibility Study Grants program, managed by…
OR Water Project Grants Status: ACTIVE Funder: Oregon Water Resources Department Last Updated: December 03, 2025 Summary The Oregon Water Resources Department (OWRD) offers Water Project Grants to…
Oregon Sea Grant Biennial Research Competition Status: ACTIVE Funder: Oregon Sea Grant Amount: Approximately US $125,000 Last Updated: October 10, 2025 Summary The Oregon Sea Grant Biennial Research…
Oregon Sea Grant: Activity and Conference Support Status: ACTIVE Funder: Oregon Sea Grant Amount: Up to US $2,500 Last Updated: January 22, 2026 Summary The Oregon Sea Grant provides funding up to…
Oregon State Weed Board Grant Program Status: ACTIVE Funder: Oregon Department of Agriculture (ODA) Last Updated: October 28, 2025 Summary The Oregon State Weed Board Grant Program, administered by…
Orphan or Abandoned Well Plugging Grant Program Status: ACTIVE Funder: Pennsylvania Department of Community and Economic Development Amount: Up to US $1,000,000 Last Updated: November 10, 2025…
Orphan Site Cleanup Fund The Orphan Site Cleanup Fund (OSCF) is a grant program providing financial assistance to eligible applicants for the cleanup of sites contaminated by leaking petroleum…
OWEB Focused Investment Partnerships Grants Status: ACTIVE Funder: Oregon Watershed Enhancement Board (OWEB) Amount: Approximately US $2,000,000 Last Updated: April 02, 2026 Summary Overview Note:…
OWEB Restoration Grants Status: ACTIVE Funder: Oregon Watershed Enhancement Board (OWEB) Last Updated: March 02, 2026 Summary The OWEB Restoration Grants support watershed projects aimed at…
OWEB Small Grant Projects Status: ACTIVE Funder: Oregon Watershed Enhancement Board (OWEB) Amount: Up to US $20,000 Last Updated: February 07, 2026 Summary The OWEB Small Grant Projects support local…
OWEB Water Acquisition Grant Program Status: ACTIVE Funder: Oregon Watershed Enhancement Board (OWEB) Last Updated: August 19, 2025 Summary The OWEB Water Acquisition Grant Program aims to enhance…
OWR-US EPA (EN Grant-FY24-84103301-0): Environmental Information Exchange Network Grant Program and Related Assistance FY 2024 National Environmental Information Exchange Network Grant Program…
Overview _NOTE: This grant opportunity is no longer accepting applications._ Oyster Reef Development and Restoration RFP Bottom Type and Oyster Density Sampling and Mapping: Hudson River from Yonkers…
Partners for Conservation - Illinois Soil and Water Conservation District Grants Status: ACTIVE Funder: Illinois Environmental Protection Agency Amount: US $39,000 - US $500,000 Last Updated: March…
Partners for Conservation - Illinois Soil and Water Conservation District Grants (FY26) The Illinois Department of Agriculture (the “Department” or “IDOA”) is issuing this Notice of Funding…
Passaic River Shoreline Repair and Park Enhancement Grant, Kearny NJ Status: ACTIVE Funder: Hudson River Foundation Amount: Up to US $150,000 Last Updated: June 03, 2025 Summary The Passaic River…
Pat Jones Stream Team Association Grant Funder: Missouri Stream Team Watershed Coalition (Stream Teams United) Geographic Scope: Missouri Purpose: Support Stream Team Association projects for water…
Paul L. Busch Award Grant Status: ACTIVE Funder: Water Research Foundation Amount: Up to US $100,000 Last Updated: February 14, 2025 Summary The Paul L. Busch Award, provided by the Water Research…
PDCED: Abandoned Mine Drainage Abatement and Treatment Program Grant Status: ACTIVE Funder: Pennsylvania Department of Community and Economic Development Amount: Up to US $1,000,000 Last Updated:…