On Jan. 21, 2025, the comment period begins for the proposal to issue an Arizona Pollution Discharge Elimination System (AZPDES) renewal permit to Arizona Public Service Company (APS) for the West Phoenix Power Plant located in Maricopa County, Arizona. The comment period ends Feb. 19, 2025.

AZPDES Permit No.: AZ0023159

Permittee:

APS

Facility:

West Phoenix Power Plant

4606 W. Hadley Street

Phoenix, Arizona 85043

Maricopa County

APS applied for a renewal AZPDES permit for the proposed discharge of sanding well water, cooling tower blowdown, and low-volume wastes from the West Phoenix Power Plant to a Phoenix Area Canal in Maricopa County, Arizona. The West Phoenix Power Plant is a multiunit natural gas-fueled electric power generating plant with a combined net output for the discharging units of approximately 365 megawatts.

Review Documents: 

• Original Published Public Notice | View >
• Draft Permit | View >
• Draft Factsheet | View >
• Or you can also review these documents in person at the ADEQ Record Center | Learn How >

Public Comment Period:

Dates: Jan. 21, 2025 – Feb. 19, 2025

Comments may be submitted as follows:

• By Email | Email > 
• By Mail (Must be postmarked or received by Feb. 19, 2025):

ADEQ
Water Quality Division, Surface Water Protection

Attn:  Lesley Davidson
1110 W. Washington St.
Phoenix, AZ  85007