Clean Water Act discharge permit · NPDES ORR10K056

#06037 HERMISTON OR WALMART DC, Hermiston, OR: NPDES ORR10K056 discharge permit, effluent exceedances, inspections, penalties

EffectivePermit status
MinorDischarger class
0Pollutants under a numeric limit
0Pollutants with an effluent exceedance
0Inspections on file
0Formal enforcement actions

#06037 HERMISTON OR WALMART DC, held by Wal-Mart Stores East, LP, holds NPDES permit ORR10K056. EPA’s file records it issued August 4, 2026 and expiring December 14, 2030.

#06037 HERMISTON OR WALMART DC, Hermiston, Oregon: Coverage under a general permit ORR10K056, held by Wal-Mart Stores East, LP; Construction stormwater; Effective; issued August 4, 2026, term to December 14, 2030.

Oregon holds 613 Construction stormwater coverages of this permit type in EPA’s file; 560 were issued before ORR10K056.

Coverages issued nearest ORR10K056

July 29, 2026: WOODLANDS ESTATES SUBDIVISION, Lake Oswego, ORR10K051, held by WEST COAST HOME SOLUTIONS LLC
July 30, 2026: PARK PLACE 1, Oregon City, ORR10K052, held by Icon Construction & Development LLC
July 30, 2026: PHILOMATH WATER TREATMENT PLANT IMPROVEMENTS, Philomath, ORR10K053, held by City of Philomath
August 4, 2026: 9TH STREET PUMP STATION IMPROVEMENTS, Independence, ORR10K054, held by HP Civil, Inc.
August 4, 2026: LAMB WESTON NORTH STORAGE POND, Hermiston, ORR10K055, held by Weitz Tecnico, LLC
August 5, 2026: ALASKA PDX HANGAR, Portland, ORR10K057, held by Swinerton Builders
August 5, 2026: MURDERERS CREEK, John Day, ORR10K058, held by South Fork John Day Watershed Council
August 5, 2026: ROGUE COMMUNITY COLLEGE TTB BUILDING REDWOOD CAMPUS, Grants Pass, ORR10K059, held by Rogue Community College District
August 6, 2026: CAPITAL HILL RESERVOIR, Medford, ORR10K060, held by Medford Water
August 6, 2026: PIPER RIDGE PHASE 2 & TRACT I, Gresham, ORR10K061, held by Lennar Northwest, LLC

#06037 HERMISTON OR WALMART DC among its neighbors

EPA’s permit file holds 9 discharge permits in the Hermiston Ditch-Umatilla River subwatershed (HUC 170701031305), ORR10K056 among them.

Other permits in the Hermiston Ditch-Umatilla River subwatershed (HUC 170701031305)

197 E THEATER LANE HERMISTON OR, Hermiston: ORR10K030, minor permit, permit term to December 14, 2030
GLENDALE STP, Glendale: OR0022730, minor permit, discharging to COW CREEK, permit term to June 30, 2016
HERMISTON STP, Hermiston: OR0020761, major permit, discharging to UMATILLA RIVER (RM 5.2), permit term to July 31, 2021
HERMISTON, CITY OF, Hermiston: ORL020761, minor permit, permit term to December 31, 2025
MONMOUTH STP, Monmouth: OR0020613, minor permit, discharging to WILLAMETTE RIVER, permit term to July 31, 2025
RAINIER STP, Rainier: OR0020389, minor permit, discharging to COLUMBIA RIVER (RM 67.0), permit term to July 31, 2012
SANTIAGO ESTATES, Hermiston: ORR10G137, minor permit, permit term to December 14, 2025
UMATILLA STP, Umatilla: OR0022306, minor permit, discharging to COLUMBIA RIVER (RM 289.0), permit term to September 30, 2018

What the register holds for #06037 HERMISTON OR WALMART DC: its NPDES ID, its permit type and status, its dates, its address in Hermiston, Oregon. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES ORR10K056.

Identity

Facility as filed	#06037 HERMISTON OR WALMART DC
Permittee as filed	Wal-Mart Stores East, LP
NPDES ID	ORR10K056
Permit status	Effective
Permit type	Coverage under a general permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Program	Construction stormwater
Issued	August 4, 2026
Expiration date	December 14, 2030
Address	Hermiston, OR 97838
Subwatershed	Hermiston Ditch-Umatilla River (HUC 170701031305)

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 ORR10K056.

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES ORR10K056.

Inspections

EPA’s inspection file holds no inspection for NPDES ORR10K056.

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 ORR10K056.

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Nearby on the register

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

#06037 HERMISTON OR WALMART DC is one of 2 storm water construction permits on EPA's NPDES register in Hermiston. It is also one of 9 NPDES permits in the Hermiston Ditch-Umatilla River subwatershed (HUC 170701031305).