Skip to main content

PUBLIC NOTICE | Proposed Renewal of AZPDES Permit (AZ0025011) for Town of Patagonia Wastewater Treatment Plant

Public Notice No. 19-45

Published in: Nogales International on March 4, 2020

AZPDES Permit No. AZ0025011

ADEQ proposes to issue an Arizona Pollutant Discharge Elimination System (AZPDES) renewal permit to discharge pollutants to Waters of the United States to the following applicant, subject to certain effluent limitations and special conditions:


Town of Patagonia
151 Costello Drive
Patagonia, AZ 85624

Facility Information

Town of Patagonia applied for a renewal AZPDES permit for the proposed discharge of up to 0.11 million gallons per day (mgd) of treated domestic wastewater from the Town of Patagonia Wastewater Treatment Plant to the Sonoita Creek (from the Town of Patagonia WWTP outfall to permanent groundwater upwelling point approximately 1,600 feet downstream of outfall) in Santa Cruz County, Arizona. The Town of Patagonia is a publicly owned treatment works that receives domestic wastewater from residential, commercial, and industrial sources in Patagonia. Sludge is stabilized in an aerobic digester and then thickened or dewatered for land application or landfill disposal.

Review Documents

Original Published Public Notice | View/Print > 
Draft Permit | View > 
Draft Fact Sheet | View >

You may also review the above documentation in person at the ADEQ Record Center | Learn How >

Public Comment Period 

Dates: March 4, 2020 – April 2, 2020

Comments may be submitted as follows:
     By Email | Send Email > 
     By Mail (Must be postmarked or received by April 2, 2020):

       Jessica Kohls
       Water Quality Division
       1110 W. Washington Street
       Phoenix, AZ  85007