| 12/30/2020 | 10/27/2020 | Troutdale | OK Express Inc. | $4,350 | Water | Causing pollution to Arata Creek by failing to implement a construction site's erosion and sediment control plan. | Fish and Aquatic Life |
| 12/23/2020 | 12/18/2020 | La Grande | Dustin Mulrony | $11,200 | Air | Openly storing asbestos material, conducting unlicensed asbestos abatement, failing to conduct required asbestos survey. | Human Health, Transparency and Accountability |
| 12/22/2020 | 12/18/2020 | La Grande | Union County | $7,200 | Air | Failing to hire licensed asbestos abatement contractor, openly storing asbestos material, failing to conduct required asbestos survey. | Human Health, Transparency and Accountability |
| 12/22/2020 | 12/18/2020 | Portland | West Hills Health and Rehabilitation Center | $18,000 | Water | Discharging raw sewage into Woods Creek. | Fish and Aquatic Life, Human Health, Wildlife |
| 12/21/2020 | 12/18/2020 | Corebett | Leroy W. Smith | $1,400 | Water | Failing to submit timely stormwater monitoring report. | Transparency and Accountability |
| 12/21/2020 | 12/18/2020 | La Grande | Wellens General Contractors Inc. | $7,200 | Air | Failing to hire licensed asbestos abatement contractor, openly storing asbestos material, failing to conduct required asbestos survey. | Human Health, Transparency and Accountability |
| 12/21/2020 | 12/18/2020 | Molalla | Columbia 410 LLC | $196,288 | Air | Operating a hemp drying facility without an air quality permit. | Human Health, Transparency and Accountability, Wildlife |
| 12/21/2020 | 12/18/2020 | Molalla | CHTC Inc. | $198,786 | Air | Operating a hemp drying facility without an air quality permit. | Human Health, Transparency and Accountability, Wildlife |
| 12/21/2020 | 12/18/2020 | Molalla | Jacob Crabtree | $196,288 | Air | Operating a hemp drying facility without an air quality permit. | Human Health, Transparency and Accountability, Wildlife |
| 12/14/2020 | 12/11/2020 | Oregon City | Benchmade Knife Company Inc. | $13,400 | Land | Failing to immediately clean up spilled hazardous waste and improper hazardous waste management. | Fish and Aquatic Life, Human Health, Wildlife |
| 12/14/2020 | 12/11/2020 | Pendleton | Eastern Oregon Correctional Institution | $1,600 | Air | Failing to submit timely annual air quality permit report. | Transparency and Accountability |
| 12/14/2020 | 12/11/2020 | Roseburg | TSL Curry Manor LLC | $4,836 | Water | Operating an onsite wastewater system without a permit. | Fish and Aquatic Life, Human Health, Transparency and Accountability |
| 12/9/2020 | 12/4/2020 | Lakeview | Town of Lakeview | $5,247 | Water | Failing to monitor wastewater discharge for pollutants. | Fish and Aquatic Life, Human Health |
| 11/16/2020 | 11/12/2020 | Huntington | City of Huntington | $9,193 | Water | Not meeting monitoring requirements, compliance schedule and pollution limits of wastewater permit | Human Health, Transparency and Accountability |
| 11/16/2020 | 11/12/2020 | Rickreall | KWS Distributing LLC | $28,460 | Air | Failing to meet permit requirements, including not installing proper pollution control | Human Health, Transparency and Accountability |
| 11/14/2020 | 11/12/2020 | Hebo | Hurlimann Quarry | $45,221 | Water | Causing pollution, violating condtions of permit and failing to submit revisions for stormwater pollution control plan | Fish and Aquatic Life, Transparency and Accountability |
| 11/14/2020 | 11/12/2020 | Salem | Jim Iverson | $22,400 | Air | Conducting unlicensed asbestos abatement, accumulating friable asbestos material or asbestos containing waste material, and violating a work practice requirement | Human Health, Transparency and Accountability |
| 11/14/2020 | 11/12/2020 | Portland | ProLine Construction LLC | $10,000 | Air | Conducting unlicensed asbestos abatement, accumulating friable asbestos material or asbestos containing waste material, and violating a work practice requirement | Human Health, Transparency and Accountability |
| 11/14/2020 | 11/12/2020 | Portland | 2SI Smyth LLC | $8,800 | Air | Failing to hire a licensed contractor for asbestos abatement, accumulating friable asbestos or asbestos containing waste material, and violating a work practice requirement | Human Health, Transparency and Accountability |
| 11/12/2020 | 10/15/2020 | Independence | City of Independence | $4,800 | Water | Unauthorized discharging of wastewater and violating pollutant limits in wastewater permit | Fish and Aquatic Life, Human Health, Transparency and Accountability |
| 11/9/2020 | 10/30/2020 | Turner | American Gypsum Recycling | $22,613 | Land | Disposing of solid waste at unpermitted locations | Transparency and Accountability |
| 11/6/2020 | 10/30/2020 | St. Helens | Cascades Tissue Group | $19,423 | Air | Failing to timely conduct stack testing at a paper mill as required by permit, and submitting late and inaccurate reports | Human Health, Transparency and Accountability |
| 11/4/2020 | 10/30/2020 | Salem | Univar USA Inc. | $4,800 | Land | Violation of agreement | Transparency and Accountability |
| 10/29/2020 | 10/27/2020 | Salem | Associated Petroleum Products | $412 | Air | Late submittal of Clean Fuels Program quarterly report | Transparency and Accountability |
| 10/29/2020 | 10/27/2020 | Nehalem | Nehalem Bay Wastewater Agency | $2,100 | Water | Discharging wastewater to Nehalem River during prohibited periods | Fish and Aquatic Life |
| 10/29/2020 | 10/27/2020 | La Grande | Sheldon Petroleum Services, LLC | $7,200 | Land | Failing to conduct corrective action for underground heating oil tank | Human Health, Wildlife |
| 10/17/2020 | 10/15/2020 | Estacada | DepCom Power, Inc. | $93,409 | Water | Polluting wetlands and other waterways; failing to do proper stormwater monitoring; improperly implementing erosion and sediment control plan | Fish and Aquatic Life, Transparency and Accountability |
| 10/17/2020 | 10/15/2020 | Ashland | Recology Valley View Inc. | $14,400 | Water | Discharging more pollution than allowed by wastewater permit | Fish and Aquatic Life |
| 10/6/2020 | 9/21/2020 | Clackamas | PCC Structurals, Inc. | $9,600 | Water | Failing to monitor wastewater for pollutants | Fish and Aquatic Life, Transparency and Accountability |
| 9/30/2020 | 9/25/2020 | Coos Bay | Granado Services LLC | $32,000 | Air | Conducting unlicensed asbestos abatement; accumulating friable asbestos material; and violating a work practice requirement. | Human Health, Transparency and Accountability |