Pollution in Multnomah County, Oregon

Multnomah County contains 273 EPA-regulated facilities, 3 of which are currently flagged for significant noncompliance. The county also hosts 4 Superfund sites and 63 TRI chemical reporters. EPA has assessed $27.7M in lifetime penalties and TRI reporters disclosed roughly 760.2k lb of on-site releases. That facility count is well above the Oregon state average of 67 per county.

Superfund4NPL sites
TRI Facilities63reporters
EPA Facilities273regulated
Sig. Violators3current SNC

Superfund sites

SiteCityStatus
Portland HarborPortlandRemedy selected
Mccormick Baxter Creosoting Co Portland PlantPortlandConstruction complete
Reynolds Metals CompanyTroutdaleReady for anticipated reuse
Bradford IslandCascade LocksListed on NPL

Largest releasers

FacilityCityOn-site (lb)Status
Siltronic CorporationPortland392.2kCompliant
On SemiconductorGresham73.4kPenalties
Mondelez International BakeryPortland66.3kCompliant
Vigor Industrial Llc - Portland ShipyardPortland63.7kPenalties
Portland OperationsPortland50.6kCompliant
Microchip TechnologyGresham41.8kPenalties
GundersonPortland25.7kPenalties
Boeing Company (The)Portland5.8kSig. violation
Western Star Truck Manufacturing PlantPortland5.2kCompliant
Rodda PaintPortland4.5kPenalties
Mccall Oil & Chemical Portland Marine TerminalPortland3.7kCompliant
Owens-Corning Trumbull Asphalt Linnton PlantPortland3.6kPenalties
Phillips 66 Pipeline Portland Terminal & LubricantsPortland3.4kCompliant
Solenis LlcPortland3.4kPenalties
Tarr, LlcPortland3.0kCompliant
Chevron Products Co WillbridgePortland2.8kCompliant
Hydro Extrusion Portland, Inc.Portland2.4kPenalties
Shell Pipeline Company Portland Distribution TerminalPortland2.0kCompliant
Lacamas Laboratories IncPortland1.1kCompliant
Esco Group LlcPortland1.1kCompliant
Pcc Structurals Inc- Lpc/Large Parts CampusPortland987Penalties
Zinkpower-Portland LlcPortland757Compliant
Evraz Oregon SteelPortland679Compliant
East Side Plating Plants 1 2 3Portland658Penalties
Univar Solutions UsaPortland600Penalties
Swan Island DairyPortland250Compliant
Pentagon TechnologiesPortland123Compliant
Owens-Brockway Glass Container Inc. Plant 21Portland122Sig. violation
Front AvePortland38Penalties
Kanto CorpPortland30Compliant
Bullseye Glass Company IncPortland24Penalties
CertainteedPortland19Compliant
Malarkey Roofing ProductsPortland15Sig. violation
Owens Corning Portland Roofing PlantPortland9Compliant
Ecolube Recovery, LlcPortland6Compliant
Senneca Holdings (Hmf Express)Portland4Compliant
Portland Air National Guard BasePortland4Compliant

Significant violators

FacilityCityPenaltiesLast Inspected
Owens-Brockway Glass Container Inc. Plant 21Portland$1.1M2023-06-15
Malarkey Roofing ProductsPortland$02011-12-22
Boeing Company (The)Portland$02024-02-07