Improving Water Quality in Arizona’s Lakes, Rivers and Streams

The Arizona Sewer Overflow and Stormwater Reuse Municipal Grant (OSG) Program provides funding from the U.S. Environmental Protection Agency (EPA) for sewer overflow and stormwater reuse pilot projects. These projects are designed to reduce the discharge of pollutants into Arizona’s lakes, rivers, and streams. 

Apply Today!

We are accepting applications for the 2027 OSG program. $400,000 available on a reimbursement basis and awarded through a competitive process. Complete the application and email it to the contact indicated in the form | View Application >

• Applications Due:  Sept. 30, 2026

Award Recipients

Awards for the 2025 OSG Program were awarded in November 2024. The selected awardees are: 

• Yavapai County Flood Control District 
• Town of Eagar 
• City of Yuma 

Highlights

The OSG program focused on planning, designing, and/or construction of sanitary sewer improvements or stormwater reuse projects. Projects were publicly and privately owned and included themes:  

• 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

Projects met the criteria outlined in the Clean Water Act, Section 212 | View > | View Full EPA Guidelines >