| 1/29/2020 | 1/29/2020 | Klamath Falls | Collins Products LLC | $150,000 | Air | Operation without pollution controls. | Human Health, Transparency and Accountability |
| 1/27/2020 | 1/24/2020 | Portland | Owens-Brockway Glass Company, Inc. | $46,800 | Air | Violation of air quality permit conditions and failure to properly conduct source test. | Human Health, Transparency and Accountability |
| 1/24/2020 | 1/22/2020 | North Bend | LTM Incorporated | $18,000 | Water | Discharging stormwater such that water quality standards for turbitity were exceeded. | Fish and Aquatic Life |
| 1/18/2020 | 11/13/2019 | The Dalles | Alpine Plumbing and Mechanical LLC | $9,000 | Water | Discharge of sewage and untreated wastewater to Mill Creek. | Fish and Aquatic Life |
| 1/17/2020 | 1/15/2020 | Boring | LKQ Foster Auto Parts, Inc. | $5,400 | Land | Failure to properly identify, manage and dispose of hazardous waste, and doing so without a permit. | Human Health, Transparency and Accountability, Wildlife |
| 1/14/2020 | 1/10/2020 | Dallesport | Summit Excavation, LLC | $3,769 | Water | Performing sewage disposal without a current license. | Transparency and Accountability |
| 1/14/2020 | 1/9/2020 | Eugene | Best Septic, Inc. | $2,700 | Water | Installing and repairing system without permit. | Transparency and Accountability |
| 1/13/2020 | 1/10/2020 | Portland | Auto Truck Transport USA LLC | $13,646 | Water | Failure to conduct required monitoring. | Fish and Aquatic Life, Transparency and Accountability |
| 1/13/2020 | 1/9/2020 | Arlington | Krome Transportation Services, LLC | $4,000 | Land | Failure to submit a report to DEQ following an oil spill. | Human Health, Transparency and Accountability, Wildlife |
| 1/13/2020 | 1/8/2020 | Junction City | Goshen, Inc | $14,601 | Water | Failure to properly implement its Stormwater Pollution Control Plan and to conduct water quality monitoring. | Fish and Aquatic Life, Transparency and Accountability |
| 1/9/2020 | 1/6/2020 | Portland | 205 Auto Salvage, Inc. | $14,827 | Water | Failure to maintain an updated Stormwater Pollution Control Plan and conduct required monitoring. | Fish and Aquatic Life, Transparency and Accountability |
| 1/8/2020 | 1/8/2020 | The Dalles | Hydro Extrusion USA LLC | $1,296,885 | Air | Multiple flagrant air quality permit violations at aluminum recycling facility. | Human Health, Transparency and Accountability |
| 1/7/2020 | 1/2/2020 | Portland | Terry's Diesel Repair, Inc. | $9,782 | Water | Failure to maintain an updated Stormwater Pollution Control Plan and conduct required monitoring. | Fish and Aquatic Life, Transparency and Accountability |
| 1/7/2020 | 12/27/2019 | Junction City | GMT Corporation | $25,418 | Water | Failure to properly implement its Stormwater Pollution Control Plan and failing to conduct water quality monitoring. | Fish and Aquatic Life, Transparency and Accountability |
| 1/6/2020 | 1/3/2020 | North Bend | O'Bryan Market LLC | $2,003 | Land | Failure to comply with field citations and submit proof of insurance. | Transparency and Accountability |
| 1/6/2020 | 1/2/2020 | Central Point | Oldland Distributing, Inc. | $7,505 | Water | Failure to conduct required monitoring. | Fish and Aquatic Life, Transparency and Accountability |
| 1/2/2020 | 12/30/2019 | Haines | City of Haines | $6,750 | Water | Failure to conduct monitoring in accordance with wastewater discharge permit. | Transparency and Accountability |
| 1/2/2020 | 12/2/2019 | Philomath | Central Service Inc. | $3,150 | Land | Failure to follow reporting protocol following maintenance work on an underground storage tank. | Transparency and Accountability |
| 12/26/2019 | 11/22/2019 | Merlin | Obluda, Lavender Moss and Thatcher, Bret Byron | $44,913 | Land | Operating a waste disposal site without a permit, burning prohibited materials | Fish and Aquatic Life, Human Health, Transparency and Accountability, Wildlife |
| 12/20/2019 | 12/18/2019 | Portland | Coresky Maritime S. A. Panama | $3,600 | Water | Failing to maintain vessel's complete ballast water log | Fish and Aquatic Life, Transparency and Accountability |
| 12/16/2019 | 12/12/2019 | Kerby | Josephine County - Kerby Landfill | $3,600 | Land | Failing to file a deed notification of landfill closure | Transparency and Accountability |
| 12/16/2019 | 12/12/2019 | Portland | Lennar Northwest, Inc. | $23,569 | Water | Failing to adequately monitor stormwater and implement erosion and sediment control plans at construction sites | Fish and Aquatic Life, Transparency and Accountability |
| 12/10/2019 | 11/21/2019 | La Pine | Michael Shields | $18,000 | Land | Operating a waste disposal site without a permit | Human Health, Wildlife |
| 12/9/2019 | 12/6/2019 | Medford | J. Davidson & Sons Construction Co., Inc. | $2,800 | Air | Emitting more air pollution from rock crusher than is allowed by permit. | Human Health |
| 12/7/2019 | 12/5/2019 | Woodburn | Mel-Mic Enterprises, Inc. (M&M Auto Wrecking) | $49,979 | Land | Operating without waste tire storage and stormwater permits, failing to immediately clean up oil spill, demolishing vehicles without surveying them for asbestos, burning prohibited materials | Fish and Aquatic Life |
| 12/6/2019 | 12/4/2019 | Sandy | U.S. Metal Works, Inc. | $9,853 | Water | Failing to adequately monitor stormwater for pollutants | Fish and Aquatic Life, Transparency and Accountability |
| 12/6/2019 | 12/4/2019 | Clackamas | Carl Zeiss Vision | $8,800 | Water | Failing to adequately monitor stormwater for pollutants | Fish and Aquatic Life, Transparency and Accountability |
| 12/6/2019 | 12/4/2019 | Portland | Arnprior Aerospace Portland, Inc. | $7,793 | Water | Failing to adequately monitor stormwater for pollutants | Fish and Aquatic Life, Transparency and Accountability |
| 12/5/2019 | 12/3/2019 | Beaverton | T.T. & L. Sheet Metal | $3,426 | Water | Failing to adequately monitor stormwater for pollutants | Fish and Aquatic Life, Transparency and Accountability |
| 12/5/2019 | 11/27/2019 | Hermiston | Lamb Weston, Inc. | $10,000 | Water | Unauthorized modification of industrial wastewater system that mixed industrial water with sewage, which the system can't adequately treat | Wildlife |