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Water Quality Division

Arizona Sewer Overflow and Stormwater Reuse Municipal Grant

Revised on: Dec. 27, 2023 -  3:00 p.m.

ADEQ is accepting applications for the 2024 Arizona Sewer Overflow and Stormwater Reuse Municipal Grant (OSG) Program for sewer overflow and stormwater reuse pilot projects. 

Funding is available up to $400,000. The OSG program is funded by the U.S. Environmental Protection Agency (EPA) and is designed to provide funding for sewer overflow and stormwater reuse pilot projects.  

Program Goals: Improve surface water quality in Arizona

This program provides grant funding for sewer overflow and stormwater infrastructure projects to reduce the flow of pollution into local waters. 

Submitted proposals should be focused on the planning, designing and construction of sanitary sewer overflows (SSOs) and stormwater management projects. Projects can include themes such as: 

  • Watershed management of wet weather discharges
  • Stormwater best management practices
  • Watershed partnerships
  • Integrated water resource planning
  • Municipality-wide stormwater management planning
  • Increased resilience of treatment works


Eligible entities include municipalities using funds for projects at publicly owned treatment works, as defined in section 212 of the Clean Water Act (CWA), under this grant program.

The eligibility criteria for CWA section 603(c)(7) projects are:  

  • Projects must meet the criteria outlined in CWA section 212.  
  • Projects can be publicly or privately owned. 


A total of $400,000 will be available through grants from ADEQ on a reimbursement basis and awarded through a competitive process. 

Application Submission

To apply, please complete the 2024 Application Form | View/Download >

Then email the completed form to ADEQ by Feb. 29, 2024 | Email >

For more details, including eligibility criteria and program goals, refer to the official guidelines on the EPA website | View Guidelines >

Award Selection Process

Grant applications are received, reviewed, scored and ranked by at least three representatives of ADEQ. Evaluation will be based on how well proposals meet the defined criteria, objectives and priorities.

Each proposal will be scored on a point system for project overview and area description, environmental justice communities, scope of work, project timeline, objectives and deliverables, collaborative elements, sustainability plan and budget alignment.

Final recommendations and approval of awards will be made by ADEQ. Each applicant will be notified by email of the final status of their application. Additional information and instructions will be given to the selected applicants.

Program Coordinator
Email >