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Clean Water Act discharge permit · NPDES AZC116159

TEMPE TECH, AZ: NPDES AZC116159 discharge permit, effluent exceedances, inspections, penalties

TEMPE TECH, held by Ryan Companies Us, Inc., holds NPDES permit AZC116159, which discharges to Salt River | Tempe Town Lake Dam - I-10 Bridge. EPA’s file records it issued May 12, 2026 and expiring August 28, 2030.

TEMPE TECH, Arizona: Coverage under a general permit AZC116159, held by Ryan Companies Us, Inc.; Effective; issued May 12, 2026, term to August 28, 2030, by ADEQ; discharges to Salt River | TEMPE TOWN LAKE DAM - I-10 BRIDGE.

  • October 2, 2026: No Further Action (State).
  • October 2, 2026: Notice of Noncompliance Issued (State).
  • September 25, 2026: Evaluation (S).

Other permits held by Ryan Companies Us, Inc.

TEMPE TECH among its neighbors

EPA’s permit file holds 542 discharge permits in the City of Phoenix-Salt River subwatershed (HUC 150601060305), AZC116159 among them.

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

Identity

Facility as filedTEMPE TECH
Permittee as filedRyan Companies Us, Inc.
NPDES IDAZC116159
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedMay 12, 2026
Expiration dateAugust 28, 2030
Issuing agencyADEQ
AddressAZ 85258
Receiving waterSalt River | TEMPE TOWN LAKE DAM - I-10 BRIDGE
SubwatershedCity of Phoenix-Salt River (HUC 150601060305)

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES AZC116159.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES AZC116159.

Inspections

DateWhat EPA recordedAgency
September 25, 2026EvaluationS

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
October 2, 2026No Further ActionState
October 2, 2026Notice of Noncompliance IssuedState

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Nearby on the register

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

What this page shows

This public-records page covers Clean Water Act discharge permit NPDES AZC116159 for TEMPE TECH, held by Ryan Companies Us, Inc., with an effective status and a minor discharger class. The page lists 0 pollutants under a numeric limit and 0 pollutants with an effluent exceedance, and the permit's dates are issued May 12, 2026 and expiring August 28, 2030.