Clean Water Act discharge permit · NPDES ORR10J888

DLS, The Dalles, OR: NPDES ORR10J888 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

DLS, held by The Whiting-Turner Contracting Company, holds NPDES permit ORR10J888. EPA’s file records it issued March 31, 2026 and expiring December 14, 2030.

DLS, The Dalles, Oregon: Coverage under a general permit ORR10J888, held by The Whiting-Turner Contracting Company; Construction stormwater; Effective; issued March 31, 2026, term to December 14, 2030.

Oregon holds 613 Construction stormwater coverages of this permit type in EPA’s file; 395 were issued before ORR10J888.

Coverages issued nearest ORR10J888

March 24, 2026: HIDDEN VALLEY RV PARK PHASE 2, Grants Pass, ORR10J883, held by Jim Jesinghaus
March 25, 2026: FROBASE DEVELOPMENT, Tualatin, ORR10J884, held by Pineridge Development Group, LLC
March 26, 2026: FELISKY EQUESTRIAN FACILITY, Cannon Beach, ORR10J885, held by Chance Felisky
March 30, 2026: RESIDENTIAL CARE FACILITY, Klamath Falls, ORR10J886, held by Klamath Hospice, Inc
March 30, 2026: PARKSIDE MEADOWS, Gresham, ORR10J887, held by D.A. Grey Limited
March 31, 2026: HECKARD FIELD, Molalla, ORR10J889, held by Molalla River School District
March 31, 2026: BESTCARE TREATMENT FACILITY, Madras, ORR10J890, held by BestCare Treatment Services, Inc.
April 1, 2026: TRACTOR SUPPLY MEDFORD OR, Medford, ORR10J891, held by Welkin Engineering
April 6, 2026: PRINCE HEIGHTS SUBDIVISION, The Dalles, ORR10J892, held by Smillekel Group LLC
April 7, 2026: NWC #5 PARTNERSHIP, Salem, ORR10J893, held by Northwest Cascade, Inc.

DLS among its neighbors

EPA’s permit file holds 19 discharge permits in the Murdock-Columbia River subwatershed (HUC 170701050406), ORR10J888 among them. Its county holds 11, 2 of them major permits; ORR10J888 is a minor permit.

Other permits in the Murdock-Columbia River subwatershed (HUC 170701050406)

CHENOWITH HOUSING, The Dalles: ORR10J879, minor permit, permit term to December 14, 2030
DALLESPORT BATCH PLANT, Dallesport: WAG505017, minor permit, permit term to March 31, 2026
DALLESPORT LANDING, Dallesport: WAG505163, minor permit, permit term to March 31, 2026
DALLESPORT SMITH PIT, Dallesport: WAG505028, minor permit, permit term to March 31, 2026
FIRST STREET STREETSCAPE PROJECT, The Dalles: ORR10J866, minor permit, permit term to December 14, 2030
GRANITE CONSTRUCTION DALLESPORT, Dallesport: WAG505018, minor permit, permit term to March 31, 2026
HYDRO, The Dalles: OR0001708, major permit, discharging to COLUMBIA RIVER, permit term to November 30, 2019
HYDRO-THE DALLES, The Dalles: ORRZ00001, minor permit, permit term to June 30, 2026
INTERSTATE CONCRETE & ASPHALT DBA HOOD RIVER SAND & GRAVEL PORTABLE CONECO LOPRO, Dallesport: WAG500027, minor permit, permit term to March 31, 2026
LYLE POTW, Lyle: WA0050482, minor permit, permit term to October 31, 2020

What the register holds for DLS: its NPDES ID, its permit type and status, its dates, its address in The Dalles, Oregon. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES ORR10J888.

Identity

Facility as filed	DLS
Permittee as filed	The Whiting-Turner Contracting Company
NPDES ID	ORR10J888
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	March 31, 2026
Expiration date	December 14, 2030
Address	The Dalles, OR 97058
Receiving water impaired	303(D) Listed
Subwatershed	Murdock-Columbia River (HUC 170701050406)

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 ORR10J888.

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES ORR10J888.

Inspections

EPA’s inspection file holds no inspection for NPDES ORR10J888.

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 ORR10J888.

Watch this permit

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Nearby on the register

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

DLS is one of 2 storm water construction permits on EPA's NPDES register in Wasco County, this one included. The permit is one of 12 NPDES permits in the Murdock-Columbia River subwatershed (HUC 170701050406), this one included. DLS has 0 pollutants under a numeric limit and 0 pollutants with an effluent exceedance.