Water Quality Program Funding Opportunities  

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Centennial Grants 

This program is funded by state dollars, provided primarily via the State Building Construction Account. The Centennial program provides grants for water quality infrastructure and nonpoint source pollution projects to improve and protect water quality. Eligible infrastructure projects are limited to wastewater treatment construction projects for financially distressed communities. Eligible nonpoint projects include stream restoration and buffers, on-site septic repair and replacement, education and outreach, and other eligible nonpoint activities. This program is managed according to state rule and statute.

History of grant program

The Centennial Program is a Washington State funded grant program. Ecology administers the Centennial Program as grants to local governments, special purpose districts, conservation districts, and federally recognized Tribes. The Centennial program provides grants for water quality infrastructure and nonpoint source pollution projects to improve and protect water quality.

Centennial Grants
Current funding cycle

Applicants looking for Centennial grants can apply for funds through the annual Water Quality Combined Funding Cycle and its application process, where one application would be submitted for funding consideration for the following three funding opportunities: CWSRF loans, Centennial grants or loans or 319 grants.

Applications Accepted Who’s Eligible Eligible Project Types Match Grant Limit

Annually, starting in August  and ending in October.

Apply via the current Combined Funding Cycle process. See the Funding Opportunities page for more information

  • Counties, cities, and towns
  • Special purpose districts
  • Conservation districts
  • Federally recognized Tribes
  • Wastewater facility construction (financial hardship communities only)
  • Onsite repair and replacement
  • Agricultural best management practices
  • Education and stewardship
  • Water quality monitoring
  • Lake water quality planning
  • Riparian and wetlands habitat restoration and enhancement
  • Stream restoration
  • TMDL plan development and implementation
  • Wellhead protection

25% for non-point source pollution projects

Grant limits vary based on project type:

  • Hardship communities (WWTF) Up to $5M
  • Cash only match - $500K
  • In-kind contributions - $250K
Patricia Brommer
Centennial Fund Coordinator
Email: patricia.brommer@ecy.wa.gov
Phone: 360-407-6566

More information

Chapter  173-95A  WAC

Water Quality Funding Webpage,   www.ecy.wa.gov/programs/wq/funding/funding.html