PUBLIC NOTICE | Proposed AZPDES Permit Renewal for North Rim Wastewater Treatment Plant

Public Notice No. 17-24

Published in Arizona Business Gazette on Dec. 7, 2017

AZPDES Permit No. AZ0110426

Notice: Pursuant to the Clean Water Act and in accordance with Arizona Administrative Code (A.A.C.) R18-9-A907, the Director of ADEQ proposes to issue an Arizona Pollutant Discharge Elimination System (AZPDES) Permit to discharge pollutants to Waters of the United States to the following applicant, subject to certain effluent limitations and special conditions:


U.S. Department of the Interior (USDI)
National Park Service

Facility Information

North Rim Wastewater Treatment Plant (WWTP)
P.O. Box 129
Grand Canyon, AZ 86023

USDI National Park Service applied for a AZPDES permit renewal for the proposed discharge of up to 0.15 million gallons per day (mgd) of treated domestic wastewater from the North Rim WWTP to Transept Canyon in the Colorado-Grand Canyon River Basin in Township 33N, Range 3E, Section 34W, in Coconino County, Ariz. The facility is a federally owned treatment works that receives domestic wastewater from the visitor center, restaurant, campground and laundry sources at the Grand Canyon National Park. Sludge is dried and transported by truck to an off-site storage lagoon at the South Rim biosolids disposal site.

Review Documents

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

Public Comment Period 

Dates: Dec. 7, 2017 – Jan. 6, 2018

Comments may be submitted as follows:
     By Email | Send Email > 
     By Mail (Must be postmarked or received by Jan. 6, 2018):

       Richard Mendolia
       Water Quality Division
       1110 W. Washington Street
       Phoenix, AZ  85007

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