Clean Water Act discharge permit · NPDES AZI108166

SHAMROCK FOODS - N BLACK CANYON HWY, Phoenix, AZ: NPDES AZI108166 discharge permit, effluent exceedances, inspections, penalties

EffectivePermit status
MinorDischarger class
0Pollutants under a numeric limit
0Pollutants with an effluent exceedance
1Inspections on file
0Formal enforcement actions

SHAMROCK FOODS - N BLACK CANYON HWY, held by Shamrock Foods Company - Dairy Division, holds NPDES permit AZI108166, which discharges to Arizona Canal | Salt River Reservation Boundar. EPA’s file records it issued January 16, 2025 and expiring January 15, 2030.

SHAMROCK FOODS - N BLACK CANYON HWY, Phoenix, Arizona: Coverage under a general permit AZI108166, held by Shamrock Foods Company - Dairy Division; Industrial stormwater; Effective; issued January 16, 2025, term to January 15, 2030, by ADEQ; discharges to Arizona Canal | Salt River Reservation Boundar.

June 9, 2026: Evaluation (S).

Arizona holds 720 Industrial stormwater coverages of this permit type in EPA’s file; 8 were issued before AZI108166. Shamrock Foods Company - Dairy Division holds 2 permits in Arizona.

Other permits held by Shamrock Foods Company - Dairy Division

SHAMROCK FOODS - N BLACK CANYON HWY, Phoenix: AZMS80397, issued February 5, 2020

Coverages issued nearest AZI108166

January 16, 2025: JIM STRAUBE'S AIRCRAFT SERVICES, Kingman, AZI108149, held by Straube'S Aircraft Services, Inc.
January 16, 2025: ANTHEM WATER CAMPUS WWTP, Anthem, AZI108151, held by Epcor Water Arizona Inc.
January 16, 2025: TRULITE GLASS AND ALUMINUM SOLUTIONS, Phoenix, AZI108154, held by Trulite Glass And Aluminum Solutions, Llc
January 16, 2025: NORTHWEST VALLEY REGIONAL WATER RECLAMATION FACILITY, Sun City, AZI108157, held by Epcor Water Arizona Inc.
January 16, 2025: SIERRA PACIFIC AIRLINES, Tucson, AZI108165, held by Sierra Pacific Airlines, Inc.
January 16, 2025: FOOTHILLS SAND AND GRAVEL, Yuma, AZI108171, held by Fisher Sand & Gravel Co.
January 16, 2025: SOUTHWEST HELISERVICES, LLC, Tucson, AZI108179, held by Southwest Heliservices Llc
January 16, 2025: FORMER TUNGSTEN ORE MILL SITE, Tucson, AZI108194, held by City Of Tucson - Parks And Recreation Dept
January 16, 2025: DESERT METAL WORKS, INC., Tucson, AZI108207, held by Desert Metal Works, Inc.
January 16, 2025: W SILVER RECYCLING INC., Tucson, AZI108231, held by W. Silver Recycling, Inc.

SHAMROCK FOODS - N BLACK CANYON HWY among its neighbors

EPA’s permit file holds 542 discharge permits in the City of Phoenix-Salt River subwatershed (HUC 150601060305), AZI108166 among them. Its county holds 618, 31 of them major permits; AZI108166 is a minor permit.

Other permits in the City of Phoenix-Salt River subwatershed (HUC 150601060305)

1-B3 BPS REHABILITATION AND REPLACEMENT, Unknown: AZC099991, minor permit, permit term to June 30, 2025
10TH AND BASELINE MULTIFAMILY, Unknown: AZC116415, minor permit, discharging to Western Canal | Kiwanis Park - 51ST AVE @ 33°, permit term to August 28, 2030
115-30-005, Phoenix: AZI116650, minor permit, discharging to Salt River | TEMPE TOWN LAKE DAM - I-10 BRIDGE, permit term to January 15, 2030
1405 W BROADWAY RD AUTO, Phoenix: AZC114777, minor permit, permit term to August 28, 2030
15TH AVENUE COMMERCIAL PIT, Phoenix: AZI108873, minor permit, discharging to Salt River | I-10 BRIDGE - 23RD AVENUE WWTP @, permit term to January 15, 2030
15TH AVENUE COMMERCIAL PIT, Phoenix: AZMS81150, minor permit, permit term to December 30, 2024
19TH AVENUE HMA PLANT, Phoenix: AZMS67702, minor permit, permit term to December 3, 2020
20423-05 GRAND CANAL MUT INDIAN SCHOOL TO 16TH ST, Unknown: AZC116185, minor permit, discharging to Grand Canal | CROSS CUT CANAL - 67TH AVENUE @, permit term to August 28, 2030
23RD AVENUE WASTEWATER TREATMENT PLANT, Phoenix: AZMS66154, minor permit, permit term to June 6, 2016
2600-04 PSHIA T3 N2, Unknown: AZC116232, minor permit, discharging to Salt River | TEMPE TOWN LAKE DAM - I-10 BRIDGE, permit term to August 28, 2030

Identity

Facility as filed	SHAMROCK FOODS - N BLACK CANYON HWY
Permittee as filed	Shamrock Foods Company - Dairy Division
NPDES ID	AZI108166
Permit status	Effective
Permit type	Coverage under a general permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Program	Industrial stormwater
Issued	January 16, 2025
Expiration date	January 15, 2030
Issuing agency	ADEQ
Address	Phoenix, AZ 85009
Receiving water	Arizona Canal \| Salt River Reservation Boundar
Subwatershed	City of Phoenix-Salt River (HUC 150601060305)
Other EPA IDs (FRS)	RCRA handler AZD982487902

Effluent limits and exceedances

0Pollutants on file
0Under a numeric limit
0With a violation of any kind
0With an effluent exceedance

EPA’s limits and effluent violation files hold no pollutant row for NPDES AZI108166.

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES AZI108166.

Inspections

Date	What EPA recorded	Agency
June 9, 2026	Evaluation	S

Formal enforcement and penalties

0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.

Informal enforcement

EPA’s informal enforcement file holds no action for NPDES AZI108166.

Watch this permit

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Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.

Among the 197 storm water industrial permits in Maricopa County, counting this permit, 2.0% were issued before this permit. SHAMROCK FOODS - N BLACK CANYON HWY is part of the City of Phoenix-Salt River subwatershed, HUC 150601060305, which has 542 NPDES permits, this permit among them, and 10.2% of the 197 Maricopa County permits have a violation on file.