Puget Sound Nutrient Reduction grants program
The Puget Sound Nutrient Reduction (PSNR) grant program helps municipalities prepare and plan for future wastewater treatment facility upgrades and implement operational modifications necessary to maximize nutrient removal from existing treatment processes. This grant program provides financial assistance to address nitrogen discharge to Washington waters of the Salish Sea. Eligible applicants (listed below) for funding include publicly owned domestic wastewater treatment plants. The PSNR grant is part of the Water Quality Combined Funding Program.
Funding cycle
- Amount of funding available: $10 million
- Grant award limit: $350,000
- Amount of matching funds required: None
Applications are not being accepted at this time.
Previous application period:
July 22, 2025 – Sept. 3, 2025, 5 p.m.
See Page 90 of the funding guidelines.
Funding is available for the following entities:
Applicant eligibility is limited to entities responsible for operating publicly owned domestic wastewater treatment plants (WWTP) that were previously covered under the Puget Sound Nutrient General Permit (PSNGP). Each of these entities listed in Table 13 (page 91) of the State Fiscal Year 2027 Funding Guidelines Water Quality Combined Funding Program are eligible to receive funds.
Project types:
This Funding program supports wastewater projects that reduce nutrient discharges to Puget Sound, with a focus on planning, infrastructure improvements, and monitoring. Projects must demonstrate a clear link to nutrient reduction and should support optimization and long-term strategies to manage nutrient loads and improve water quality.
More information about this funding program
- State Fiscal Year 2027 Funding Guidelines Water Quality Combined Funding Program
- To learn more about the current funding cyle for SFY 2027, visit the Water Quality Grants & Loans home page.
Related links
Contact information
Bri Castilleja
Puget Sound Nutrient Reduction Financial and Project Specialist
bri.castilleja@ecy.wa.gov
564-233-9994