Clean Water Act discharge permit · NPDES AZC100591

EDGECORE DATA CENTER, Mesa, AZ: NPDES AZC100591 discharge permit, effluent exceedances, inspections, penalties

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

EDGECORE DATA CENTER, held by Holder Construction Group, Llc, holds NPDES permit AZC100591. EPA’s file records it issued October 5, 2023 and expiring June 30, 2025.

EDGECORE DATA CENTER, Mesa, Arizona: Coverage under a general permit AZC100591, held by Holder Construction Group, Llc; Administratively continued (past its expiration date and still in force until reissued); issued October 5, 2023, term to June 30, 2025.

Other permits held by Holder Construction Group, Llc

ALIGNED PHX06: AZC099361, issued June 27, 2023
STREAM DATA CENTER PHX-02: AZC099965, issued August 15, 2023
ALIGNED DATA CENTER CHANDLER - TRADE PARKING: AZC100039, issued August 22, 2023
EDGECORE DATA CENTER - NORTH CAMPUS: AZC102385, issued January 31, 2024
AMERICAN EXPRESS, Phoenix: AZC108357, issued April 1, 2025
AMERICAN EXPRESS, Phoenix: AZC111073, issued August 29, 2025
ALIGNED PHX06: AZC111183, issued August 29, 2025
ALIGNED DATA CENTER CHANDLER - TRADE PARKING: AZC111186, issued August 29, 2025
EDGECORE DATA CENTER, Mesa: AZC113552, issued November 18, 2025
EDGECORE DATA CENTER - NORTH CAMPUS: AZC113553, issued November 18, 2025

EDGECORE DATA CENTER among its neighbors

EPA’s permit file holds 188 discharge permits in the Dinasaur Mountain-Roosevelt Canal subwatershed (HUC 150501000808), AZC100591 among them.

Other permits in the Dinasaur Mountain-Roosevelt Canal subwatershed (HUC 150501000808)

26411-01 - VIEW 202 DRAINAGE, Unknown: AZC116368, minor permit, discharging to East Maricopa Floodway | 33 24 21/111 42 39 -, permit term to August 28, 2030
8817 PECOS, Mesa: AZC108080, minor permit, permit term to June 30, 2025
ABLE AEROSPACE SERVICES, INC., Mesa: AZI107190, minor permit, discharging to East Maricopa Floodway | 33 24 21/111 42 39 -, permit term to January 15, 2030
AEROCHECK MRO MESA, Mesa: AZI117894, minor permit, discharging to East Maricopa Floodway | E. Ray Rd - Queen Cre, permit term to January 15, 2030
AIR METHODS/UR HANGAR, Mesa: AZI103717, minor permit, permit term to December 31, 2024
AIR METHODS/UR HANGAR, Mesa: AZI107282, minor permit, discharging to East Maricopa Floodway | E. Ray Rd - Queen Cre, permit term to January 15, 2030
AMAVI QUEEN CREEK, Queen Creek: AZC112679, minor permit, discharging to Queen Creek | EL CAMINO VIEJO ROAD - East Mari, permit term to August 28, 2030
AMAZON WEB SERVICES MESA, Unknown: AZC107280, minor permit, permit term to June 30, 2025
AMAZON WEB SERVICES MESA, Mesa: AZC110898, minor permit, discharging to Queen Creek | EL CAMINO VIEJO ROAD - East Mari, permit term to August 28, 2030
AMAZON WEB SERVICES MESA, Mesa: AZC115399, minor permit, discharging to Queen Creek | EL CAMINO VIEJO ROAD - East Mari, permit term to August 28, 2030

What the register holds for EDGECORE DATA CENTER: its NPDES ID, its permit type and status, its dates, its address in Mesa, Arizona. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES AZC100591.

Identity

Facility as filed	EDGECORE DATA CENTER
Permittee as filed	Holder Construction Group, Llc
NPDES ID	AZC100591
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Coverage under a general permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Issued	October 5, 2023
Expiration date	June 30, 2025
Address	Mesa, AZ 85212
Subwatershed	Dinasaur Mountain-Roosevelt Canal (HUC 150501000808)

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 AZC100591.

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES AZC100591.

Inspections

EPA’s inspection file holds no inspection for NPDES AZC100591.

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 AZC100591.

Watch this permit

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Nearby on the register

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

The Clean Water Act discharge permit filed as EDGECORE DATA CENTER (NPDES ID AZC100591) is one of 102 general permit coverages in Mesa, Arizona, including this one. It sits among 188 NPDES permits in the Dinasaur Mountain-Roosevelt Canal subwatershed, and 0.0% of Mesa's 102 general permit coverages carry a violation on file, so this permit has none of the records shown as zero for numeric limits or effluent exceedances. Of all 102 Mesa general permit coverages, 28.4% were issued earlier than this permit's October 5, 2023 issue date.