On July 2, 2025, the comment period begins for the proposal to issue an Arizona Pollutant Discharge Elimination System (AZPDES) permit modification to the City of Yuma for its Figueroa Avenue Water Pollution Control Facility located in Yuma County, Arizona. The comment period ends Aug. 1, 2025.

AZPDES Permit No.: AZ0020443

Permittee: 

City of Yuma

Facility: 

Figueroa Avenue Water Pollution Control Facility
289 N. Figueroa Avenue​​​​​
Yuma, Arizona 85364
Yuma County

Figueroa Avenue Water Pollution Control Facility (WPCF) is a privately-owned treatment works that receives domestic wastewater from residential, commercial, and industrial sources in the City of Yuma. On Feb. 18, 2025, ADEQ received a request from the City of Yuma to modify an existing AZPDES permit which became effective on Aug. 15, 2023. The proposed permit modification postpones the existing compliance schedule for the Nitrate + Nitrite limits. The permit authorizes the discharge of up to 12 million gallons per day (mgd) of treated domestic wastewater domestic wastewater to a federal mitigation wetland, which is tributary to the Colorado River, a protected surface water in Arizona that is a Water of the U.S. (WOTUS) in the in the Lower Gila River Basin, in Township 16 S, Range 22 E, Section 28, in Yuma County, Arizona.

Review Documents:

• Original Published Public Notice | View > 
• Draft Permit | View >  
• Statement of Basis for Modification  | View >  
• In person at ADEQ Record Center | Learn How >

Public Comment Period:

Dates: July 2, 2025 – Aug. 1, 2025

Comments may be submitted as follows:

•      By Email | Send Email >
•      By Mail (Must be postmarked or received by Aug. 1, 2025):

ADEQ
Water Quality Division, Surface Water Protection
Attn:  Juliana Lewis
1110 W. Washington St.
Phoenix, AZ  85007