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Violation Tracker Current Parent Company Summary
Current Parent Company Name: Knife River Corporation
Ownership Structure: publicly traded (ticker symbol KNF)
Headquartered in: North Dakota
Major Industry: building materials
Specific Industry: construction aggregates
Penalty total since 2000: $1,201,841
Number of records: 40
| Top 5 Offense Groups (Groups Defined) | Penalty Total | Number of Records |
| safety-related offenses | $689,890 | 24 |
| environment-related offenses | $447,102 | 12 |
| employment-related offenses | $64,849 | 4 |
| Top 5 Primary Offense Types | Penalty Total | Number of Records |
| workplace safety or health violation | $689,890 | 24 |
| environmental violation | $297,690 | 7 |
| water pollution violation | $149,412 | 5 |
| labor relations violation | $50,000 | 2 |
| wage and hour violation | $14,849 | 2 |
Notes: Parent-subsidiary linkages are based on relationships current as of the latest revision listed in the
Update Log, which may vary from what was the case when a violation occurred. The penalty totals are adjusted to account for the fact that the individual entries below may include both agency records and settlement announcements for the same case; or else a penalty covering multiple locations may be listed in the individual records for each of the facilities. The totals are also adjusted to reflect cases in which federal and state or local agencies cooperated and issued separate announcements of the outcome. Duplicate or overlapping penalty amounts are marked with an asterisk in the list below.
Links: Subsidy Tracker data on financial assistance to this company by federal, state and local government agencies can be found
here.
Individual Penalty Records:
Click on the company or penalty amount for more information on each case.
| Company | Primary Offense Type | Year | Agency | Penalty Amount  |
| Knife River Corporation | environmental violation | 2016 | MT-ENV | $140,000 |
| KNIFE RIVER CORPORATION - MOUNTAIN WEST | workplace safety or health violation | 2022 | OSHA | $89,985 |
| KNIFE RIVER CORPORATION - MOUNTAIN WEST | workplace safety or health violation | 2021 | OSHA | $78,500 |
| KNIFE RIVER CORPORATION | workplace safety or health violation | 2018 | OSHA | $77,604 |
| Knife River Corporation | water pollution violation | 2011 | EPA | $55,000 |
| Knife River Construction | workplace safety or health violation | 2015 | MSHA | $52,500 |
| KNIFE RIVER CORPORATION - MOUNTAIN WEST | workplace safety or health violation | 2022 | OSHA | $51,076 |
| Knife River North Central | workplace safety or health violation | 2012 | MSHA | $47,250 |
| Knife River Corporation-Northwest | workplace safety or health violation | 2023 | MSHA | $44,987 |
| KNIFE RIVER CORPORATION | water pollution violation | 2017 | OR-ENV | $43,512 |
| KNIFE RIVER MIDWEST, LLC | environmental violation | 2009 | EPA | $43,082 |
| KNIFE RIVER CORPORATION - NORTH CENTRAL | workplace safety or health violation | 2023 | OSHA | $38,950 |
| Knife River Corporation | environmental violation | 2018 | OR-ENV | $35,509 |
| Knife River Construction | workplace safety or health violation | 2015 | MSHA | $35,000 |
| Knife River North Central | workplace safety or health violation | 2013 | MSHA | $30,000 |
| Knife River Corporation - North Central d/b/a Knife River Materials | labor relations violation | 2009 | NLRB | $25,000 |
| Knife River Corporation-North Central d/b/a Knife River Materials | labor relations violation | 2009 | NLRB | $25,000 |
| Knife River Corporation | water pollution violation | 2021 | OR-ENV | $25,000 |
| KNIFE RIVER CORPORATION NORTH CENTRAL | environmental violation | 2015 | EPA | $23,850 |
| Knife River Corporation | environmental violation | 2019 | OR-ENV | $23,461 |
| Knife River Corporation | environmental violation | 2022 | OR-ENV | $20,822 |
| Knife River | water pollution violation | 2009 | WY-ENV | $18,400 |
| Knife River Corporation - Northwest | workplace safety or health violation | 2005 | MSHA | $18,000 |
| Knife River Corporation-Northwest | workplace safety or health violation | 2018 | MSHA | $15,550 |
| Knife River Southern Idaho Division | workplace safety or health violation | 2019 | MSHA | $15,000 |
| KNIFE RIVER CORPORATION - NORTHWEST | workplace safety or health violation | 2018 | OSHA | $12,934 |
| KNIFE RIVER CORPORATION | workplace safety or health violation | 2012 | OSHA | $12,000 |
| Knife River Corporation - South | environmental violation | 2010 | TX-ENV | $10,966 |
| Knife River Corporation-Northwest | workplace safety or health violation | 2010 | MSHA | $10,500 |
| Knife River Southern Idaho Division | workplace safety or health violation | 2019 | MSHA | $9,409 |
| Knife River Corporation - Northwest | wage and hour violation | 2015 | WHD | $9,048 |
| KNIFE RIVER CORPORATION - NORTHWEST | workplace safety or health violation | 2017 | OSHA | $9,000 |
| KNIFE RIVER CORPORATION SOUTH | workplace safety or health violation | 2019 | OSHA | $9,000 |
| KNIFE RIVER CORPORATION | workplace safety or health violation | 2018 | OSHA | $8,316 |
| Knife River Corporation | water pollution violation | 2019 | OR-ENV | $7,500 |
| Knife River Construction | workplace safety or health violation | 2024 | MSHA | $7,364 |
| KNIFE RIVER CORPORATION - SOUTH | workplace safety or health violation | 2019 | OSHA | $6,952 |
| Knife River Corporation - North West | wage and hour violation | 2010 | WHD | $5,801 |
| Knife River Corporation-Northwest | workplace safety or health violation | 2023 | MSHA | $5,013 |
| Knife River Corporation North Central | workplace safety or health violation | 2009 | MSHA | $5,000 |
