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Clean Water Act discharge permit · NPDES AZC112444

TEMPE 20, Tempe, AZ: NPDES AZC112444 discharge permit, effluent exceedances, inspections, penalties

TEMPE 20, held by Trinity Underground Llc, holds NPDES permit AZC112444, which discharges to Western Canal | Consolidated Canal - Consolida. EPA’s file records it issued October 13, 2025 and expiring August 28, 2030.

TEMPE 20, Tempe, Arizona: Coverage under a general permit AZC112444, held by Trinity Underground Llc; Effective; issued October 13, 2025, term to August 28, 2030, by ADEQ; discharges to Western Canal | Consolidated Canal - CONSOLIDA.

Other permits held by Trinity Underground Llc

TEMPE 20 among its neighbors

EPA’s permit file holds 542 discharge permits in the City of Phoenix-Salt River subwatershed (HUC 150601060305), AZC112444 among them.

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

What the register holds for TEMPE 20: its NPDES ID, its permit type and status, its dates, its address in Tempe, Arizona, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES AZC112444.

Identity

Facility as filedTEMPE 20
Permittee as filedTrinity Underground Llc
NPDES IDAZC112444
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedOctober 13, 2025
Expiration dateAugust 28, 2030
Issuing agencyADEQ
AddressTempe, AZ 85283
Receiving waterWestern Canal | Consolidated Canal - CONSOLIDA
SubwatershedCity of Phoenix-Salt River (HUC 150601060305)

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES AZC112444.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES AZC112444.

Inspections

EPA’s inspection file holds no inspection for NPDES AZC112444.

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 AZC112444.

Watch this permit

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Nearby on the register

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

What this page shows

TEMPE 20, a general permit coverage held by Trinity Underground Llc in Tempe, Arizona, is one of 44 such coverages in Tempe on EPA's NPDES register, including this one. Of those 44 Tempe general permit coverages, 70.5% carry an earlier issue date than TEMPE 20, which was issued October 13, 2025 and expires August 28, 2030. The permit sits within the City of Phoenix-Salt River subwatershed, which holds 542 NPDES permits, this one included, and it has no pollutants under a numeric limit or effluent exceedances on file.