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Violation Tracker Current Parent Company Summary
Current Parent Company Name: Oneok
Ownership Structure: publicly traded (ticker symbol OKE)
Headquartered in: Oklahoma
Major Industry: pipelines
Specific Industry: pipelines
Penalty total since 2000: $58,276,223
Number of records: 114
| Top 5 Offense Groups (Groups Defined) | Penalty Total | Number of Records |
| environment-related offenses | $37,638,751 | 89 |
| competition-related offenses | $17,414,945 | 2 |
| miscellaneous offenses | $3,000,000 | 1 |
| safety-related offenses | $222,527 | 22 |
| Top 5 Primary Offense Types | Penalty Total | Number of Records |
| water pollution violation | $31,391,937 | 19 |
| price-fixing or anti-competitive practices | $11,000,000 | 1 |
| energy market violation | $6,414,945 | 1 |
| pipeline safety violation | $3,038,147 | 34 |
| data submission deficiencies | $3,000,000 | 1 |
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 |
| MAGELLAN PIPELINE COMPANY, LP | water pollution violation | 2017 | EPA | $3,177,528 |
| MAGELLAN MIDSTREAM PARTNERS LP | air pollution violation | 2019 | EPA | $70,000 |
| OneOK Rockies Midstream LLC | water pollution violation | 2017 | EPA | $40,120 |
| BLACK MESA PIPELINE, INC. | water pollution violation | 2001 | EPA | $79,000 |
| Magellan Asset Services LP | air pollution violation | 2017 | EPA | $13,600 |
| Magellan Terminals Holdings, LP | environmental violation | 2016 | CT-ENV | $54,152 |
| Magellan Pipeline Co. | air pollution violation | 2012 | CO-DPHE | $5,250 |
| ONEOK Inc. | data submission deficiencies | 2004 | CFTC | $3,000,000 |
| Black Mesa Pipeline, Inc. | environmental violation | 2004 | AZ-DEQ | $11,000 |
| Black Mesa Pipeline, Inc. | environmental violation | 2003 | AZ-DEQ | $50,900 |
| Black Mesa Pipeline | water pollution violation | 2002 | AZ-DEQ | $18,000 |
| Black Mesa Pipeline | water pollution violation | 2001 | AZ-DEQ | $22,000 |
| Black Mesa Pipeline | pipeline safety violation | 2001 | AZ-DEQ | $49,000 |
| ONEOK Inc. | price-fixing or anti-competitive practices | 2017 | private lawsuit-federal | $11,000,000 |
