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Environmental compliance · county

Environmental compliance in Multnomah County

2,218 active EPA-regulated sites in Multnomah County, Oregon: 123 with an identified violation, 85 in significant violation, 279 inspections and $15.3 million in penalties over five years — EPA ECHO, as of October 18, 2026.

Cite: FACTANKER, https://factanker.com/us/or/multnomah-county/environmental-compliance

How many facilities in Multnomah County, Oregon are regulated by the EPA, and how many are in violation (as of October 18, 2026)?

MeasureValue
Active EPA-regulated sites2,218
Sites with an identified violation123
Sites in significant violation85
Inspections and evaluations, last 5 years279
Formal enforcement actions, last 5 years155
Penalties, last 5 years (shared federal cases once)$15.3 million

How many active facilities in Multnomah County, Oregon fall under each EPA program?

A facility can be in several programs.

ProgramActive sites
Air (Clean Air Act)71
Water discharge permits (Clean Water Act, NPDES)1,120
Hazardous waste (RCRA)1,237
Drinking water systems (SDWA)73
Toxics Release Inventory reporters57
Greenhouse gas reporters (GHGRP)5

Which large facilities in Multnomah County, Oregon does the EPA track, and are they in violation?

FacilityCompliance statusQuarters in violation (of 12)Penalties, 5 years
GRESHAM WWTP
Portland, OR
Significant Violation7–
OWENS CORNING FOAM INSULATION GRESHAM
Portland, OR
Significant Violation1–
COLUMBIA BOULEVARD STP
Portland, OR
Violation Identified12–
SEAPORT PORTLAND TERMINAL
Portland, OR
Violation Identified12$7,800
SILTRONIC CORPORATION
Portland, OR
Violation12–
ARCLIN SURFACES, INC.
Portland, OR
Violation Identified8–
BULLSEYE GLASS CO.
Portland, OR
Violation8$9,000
OWENS-BROCKWAY GLASS CONTAINER INC. PLANT 21
Portland, OR
No Violation Identified8$15,701
OREGON HEALTH SCIENCES UNIVERSITY
Portland, OR
Unknown4–
WESTERN STAR TRUCK MANUFACTURING PLANT
Portland, OR
Violation4–
EVRAZ OREGON STEEL
Portland, OR
No Violation Identified3–
TROUTDALE WPCF
Troutdale, OR
Violation Identified3–
CHEVRON PRODUCTS CO WILLBRIDGE
Portland, OR
No Violation Identified1–
ST JOHNS LANDFILL
Portland, OR
No Violation Identified1–
ESCO PHASE II MAIN PLANT DEMOLITION
Portland, OR
No Violation Identified0–
GRAPHIC PACKAGING INTERNATIONAL
Portland, OR
No Violation Identified0–
KINDER MORGAN LIQUIDS TERMINALS LLC
Portland, OR
No Violation Identified0–
NORTHWEST PIPE COMPANY
Portland, OR
No Violation Identified0–
NUSTAR ENERGY LINNTON
Portland, OR
No Violation Identified0–
OWENS-CORNING TRUMBULL ASPHALT LINNTON PLANT
Portland, OR
No Violation Identified0$33,589
PORTLAND MUNICIPAL STORMWATER MS4
Portland, OR
No Violation Identified0–
VIGOR INDUSTRIAL, LLC
Portland, OR
No Violation Identified0$15,300
ZENITH ENERGY TERMINALS HOLDINGS LLC - PORTLAND TERMINAL
Portland, OR
No Violation Identified0$437,729

All figures for Multnomah County · Oregon · United States

EPA Enforcement and Compliance History Online (ECHO), weekly national export. Counts cover active sites in the Facility Registry Service; inspections, formal actions and penalties cover the last five years, quarters in violation the last three years. The EPA attributes a case that covers several facilities to each of them; area penalty totals here count an amount shared through the same federal case once, facility figures show the amount attributed to that facility. Large facilities are Clean Air Act majors, Clean Water Act majors and large hazardous waste generators or handlers. Source record.

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