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Clean Water Act discharge permit · NPDES AZC107199

SIDNEY P OSBORN PHASE I, Phoenix, AZ: NPDES AZC107199 discharge permit, effluent exceedances, inspections, penalties

SIDNEY P OSBORN PHASE I, held by K.L.A.S.S. Services, Inc., holds NPDES permit AZC107199. EPA’s file records it issued January 28, 2025 and expiring June 30, 2025.

SIDNEY P OSBORN PHASE I, Phoenix, Arizona: Coverage under a general permit AZC107199, held by K.L.A.S.S. Services, Inc.; Administratively continued (past its expiration date and still in force until reissued); issued January 28, 2025, term to June 30, 2025.

Other permits held by K.L.A.S.S. Services, Inc.

SIDNEY P OSBORN PHASE I among its neighbors

EPA’s permit file holds 542 discharge permits in the City of Phoenix-Salt River subwatershed (HUC 150601060305), AZC107199 among them.

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

What the register holds for SIDNEY P OSBORN PHASE I: its NPDES ID, its permit type and status, its dates, its address in Phoenix, Arizona. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES AZC107199.

Identity

Facility as filedSIDNEY P OSBORN PHASE I
Permittee as filedK.L.A.S.S. Services, Inc.
NPDES IDAZC107199
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedJanuary 28, 2025
Expiration dateJune 30, 2025
AddressPhoenix, AZ 85034
SubwatershedCity of Phoenix-Salt River (HUC 150601060305)

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES AZC107199.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES AZC107199.

Inspections

EPA’s inspection file holds no inspection for NPDES AZC107199.

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 AZC107199.

Watch this permit

One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, AZC107199.

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  • One state — $4,990/year
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Nearby on the register

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

What this page shows

The SIDNEY P OSBORN PHASE I general permit coverage, held by K.L.A.S.S. Services, Inc., is one of 311 general permit coverages in Phoenix on EPA's NPDES register, and it sits among 542 NPDES permits in the City of Phoenix-Salt River subwatershed. Of the 311 Phoenix general permit coverages, 0.0% have a violation on file, and 53.4% of them were issued earlier than this one.