Clean Water Act discharge permit · NPDES AZC110907

U-HAUL OF MARICOPA, AZ: NPDES AZC110907 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

U-HAUL OF MARICOPA, held by Tlw Construction, Inc., holds NPDES permit AZC110907, which discharges to Unnamed Ephemeral Tributary. EPA’s file records it issued August 29, 2025 and expiring August 28, 2030. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filed	U-HAUL OF MARICOPA
Permittee as filed	Tlw Construction, Inc.
NPDES ID	AZC110907
Permit status	Effective
Permit type	Coverage under a general permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Issued	August 29, 2025
Expiration date	August 28, 2030
Issuing agency	ADEQ
Address	AZ 11430
Receiving water	Unnamed ephemeral tributary
Subwatershed	Casa Grande Valley-Santa Cruz Wash (HUC 150503030604)

Cited to the EPA ICIS-NPDES permit file (ECHO download).

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 AZC110907.

Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES AZC110907.

Inspections

Date	What EPA recorded	Agency
May 21, 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

Date	What EPA recorded	Agency
June 12, 2026	No Further Action	State
May 29, 2026	Notice of Noncompliance Issued	State

Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.

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EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID AZC110907 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.

This public-records page covers Clean Water Act NPDES permit AZC110907, held by Tlw Construction, Inc. for U-HAUL OF MARICOPA, AZ, with an Effective status and a Minor discharger class. The facts list 0 pollutants under a numeric limit and 0 pollutants with an effluent exceedance, and the permit runs from August 29, 2025 to August 28, 2030.