Posted On: May. 6th, 2026 - 09:10 am
On May 6, 2026, the comment period begins for the proposal to modify an Arizona Pollution Discharge Elimination System (AZPDES) permit to the Arizona State Parks Board for the Patagonia Lake State Park Wastewater Treatment Plant located in Santa Cruz County, Arizona. The comment period ends June 5, 2026.
AZPDES Permit No. AZ0026620
Permittee:
Arizona State Parks Board
Facility:
Patagonia Lake State Park Wastewater Treatment Plant
400 Patagonia Lake Road
Nogales, Arizona 85621
Santa Cruz County
The Arizona State Parks Board applied for an AZPDES permit modification for the proposed discharge of up to 0.025 million gallons per day of treated domestic wastewater from the Patagonia Lake State Park Wastewater Treatment Plant to Patagonia Lake in Santa Cruz County, Arizona. The facility is a publicly-owned treatment works that receives domestic wastewater from Patagonia Lake State Park. Sludge is stored in an aerated sludge chamber and hauled offsite for disposal.
Review Documents:
Public Comment Period:
Dates: May 6, 2026 – June 5, 2026
Comments may be submitted as follows:
- By Email | Send Email >
- By Mail (Must be postmarked or received by June 5, 2026):
ADEQ
Water Quality Division, Surface Water Protection Permits
Attn: Rachael Willis
1110 W. Washington St.
Phoenix, AZ 85007
