| 1/29/2021 | 1/26/2021 | Powers | City of Powers | $2,500 | Water | Violating conditions of the entity's Mutual Agreement and Order with DEQ | Transparency and Accountability |
| 1/25/2021 | 1/22/2021 | Salem | 20 Twenty Sustainable Manufacturing | $19,618 | Air | Operating without an air quality permit | Human Health, Transparency and Accountability |
| 1/25/2021 | 1/22/2021 | Portland | Advanced American Constructions | $28,120 | Water | Failing to monitor stormwater discharges as required by the entity's stormwater permit | Fish and Aquatic Life |
| 1/25/2021 | 1/22/2021 | Garibaldi | Coastal Housing Solutions, LLC | $32,817 | Water | Failing to implement erosion control and sediment plan in accordance with the entity's stormwater permit, resulting in impacts to a creek and two wetland areas | Fish and Aquatic Life, Transparency and Accountability |
| 1/25/2021 | 1/22/2021 | Portland | Rose City Contracting, Inc. | $13,254 | Air | Failing to submit a valid asbestos abatement project notification to DEQ before beginning abatement work | Human Health, Transparency and Accountability |
| 1/19/2021 | 1/15/2021 | Portland | Tieton Homes LLC and N Willis Apartments LLC | $20,000 | Air | Conducting unlicensed asbestos abatement and openly accumulating friable asbestos material | Human Health, Transparency and Accountability |
| 1/11/2021 | 1/6/2021 | The Dalles | Kenneth Thomas dba Ben Bailey Carpet & Upholstery Steam Cleaners | $5,400 | Water | Discharging wastewater to waters of the state without a permit | Fish and Aquatic Life, Transparency and Accountability |
| 1/8/2021 | 1/6/2021 | Salem | GeoDesign, Inc. | $3,300 | Land | Failing to obtain a heating oil tank service provider license prior to conducting heating oil tank services | Human Health, Transparency and Accountability |
| 1/8/2021 | 1/6/2021 | Canby | Icon Construction and Development - Hamilton Acres | $14,767 | Water | Failing to implement erosion control and sediment plan and perform visual monitoring in accordance with the entity's stormwater permit | Fish and Aquatic Life, Transparency and Accountability |
| 1/8/2021 | 1/6/2021 | Canby | Icon Construction and Development - Redwood Landing | $38,112 | Water | Failing to implement erosion control and sediment plan and perform visual monitoring in accordance with the entity's stormwater permit | Fish and Aquatic Life, Transparency and Accountability |
| 1/5/2021 | 12/18/2020 | Gardiner | Industrial Harbors USA LLC | $41,405 | Land | Failing to secure financial assurance for a closed industrial landfill in accordance with the entity's solid waste permit | Transparency and Accountability |
| 1/2/2021 | 12/30/2020 | Portland | Skyline Homes LLC | $32,800 | Air | Conducting unlicensed asbestos abatement, openly accumulating friable asbestos material, and failing to provide notification of an asbestos abatement project | Human Health, Transparency and Accountability |
| 1/2/2021 | 12/30/2020 | Gresham | Vision International Petroleum, LLC | $1,575 | Air | Failing to submit 2019 annual report to DEQ in a timely manner | Transparency and Accountability |
| 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 |