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Clean Water Act discharge permit · NPDES AZC112803

8TH PLACE DUPLEXES, Phoenix, AZ: NPDES AZC112803 discharge permit, effluent exceedances, inspections, penalties

8TH PLACE DUPLEXES, held by Trinity Underground Llc, holds NPDES permit AZC112803, which discharges to San Francisco Canal South Branch. EPA’s file records it issued August 29, 2025 and expiring August 28, 2030.

8TH PLACE DUPLEXES, Phoenix, Arizona: Coverage under a general permit AZC112803, held by Trinity Underground Llc; Effective; issued August 29, 2025, term to August 28, 2030, by ADEQ; discharges to San Francisco Canal South Branch.

  • April 8, 2026: No Further Action (State).
  • January 8, 2026: Notice of Noncompliance Issued (State).

Other permits held by Trinity Underground Llc

8TH PLACE DUPLEXES among its neighbors

EPA’s permit file holds 542 discharge permits in the City of Phoenix-Salt River subwatershed (HUC 150601060305), AZC112803 among them.

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

Identity

Facility as filed8TH PLACE DUPLEXES
Permittee as filedTrinity Underground Llc
NPDES IDAZC112803
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedAugust 29, 2025
Expiration dateAugust 28, 2030
Issuing agencyADEQ
AddressPhoenix, AZ 85042
Receiving waterSan Francisco Canal South Branch
SubwatershedCity of Phoenix-Salt River (HUC 150601060305)

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES AZC112803.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES AZC112803.

Inspections

EPA’s inspection file holds no inspection for NPDES AZC112803.

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

DateWhat EPA recordedAgency
April 8, 2026No Further ActionState
January 8, 2026Notice of Noncompliance IssuedState

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Nearby on the register

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

What this page shows

The 8TH PLACE DUPLEXES permit is one of 311 general permit coverages on EPA's NPDES register in Phoenix, and 0.0% of those 311 coverages in the city have a violation on file. Among all 311 Phoenix general permit coverages, 65.3% were issued earlier than this one, and the permit sits within a subwatershed that holds 542 NPDES permits, this one included. It has no pollutants under a numeric limit and no pollutants with an effluent exceedance, both recorded as 0.