Posted On: Jun. 24th, 2026 - 03:50 pm
On June 25, 2026, the comment period begins for the proposal to issue a new Arizona Pollution Discharge Elimination System (AZPDES) permit to the U.S. Department of the Interior – National Park Service for the Havasupai Garden Potable Water Pump Station located in Coconino County, Arizona. The comment period ends July 27, 2026.
AZPDES Permit No. AZ0026433
Permittee:
U.S. Department of the Interior – National Park Service
Facility:
Havasupai Garden Potable Water Pump Station
Located approximately 2.5 miles north of Grand Canyon South Rim Village
Coconino County
The National Park Service applied for a Individual AZPDES permit for the proposed discharge of up to 1.25 million gallons per day (MGD) of treated chlorinated groundwater from the Havasupai Garden Potable Water Pump Station to Garden Creek in the Grand Canyon River Basin in Coconino County, Arizona. The facility is a federally-owned potable water pumping station and is considered to be a minor industrial facility under the AZPDES program.
Review Documents:
Public Comment Period:
Dates: June 25, 2026 – July 27, 2026
Comments may be submitted as follows:
- By Email | Send Email >
- By Mail (Must be postmarked or received by July 27, 2026):
ADEQ
Water Quality Division, Surface Water Protection Permits
Attn: Lora Walsh
1110 W. Washington St.
Phoenix, AZ 85007
