The 604(b) Water Quality Grant Program provides funding to regional planning organizations for regional water quality management planning activities. Project proposals must be focused on water quality management planning, not implementation.

How to Apply

Download the Fiscal Year 2026 (FY26) application form, complete it and then send it to the email address indicated on the form | View >

We are accepting applications through July 15, 2025.

Available Funding

$60,000 is available through grants from ADEQ and dispersed as reimbursements to awardees that report accomplishments and expenses to ADEQ. Grants are funded by the U.S. Environmental Protection Agency (EPA). Funding may be awarded to one recipient or divided among several recipients.

Eligible Applicants

• Regional planning agencies
• Council of governments
• Counties, conservation districts
• Cities and towns

Period of Performance

Oct. 15, 2025 – Oct. 15, 2026

Program Goals: Improve surface water quality in Arizona

ADEQ is encouraging water quality management planning proposals for projects that: (1) serve disadvantaged communities, and/or (2) address the changing water environment in Arizona, including increased drought, reuse of reclaimed water, etc.

604(b) funds are for water quality management planning activities, such as:

• improving stormwater systems
• determining ways to expand green infrastructure programs
• determining the nature, extent and causes of point and nonpoint source water pollution problems, and developing plans to resolve these problems
• other water quality management planning projects