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Violation Tracker Current Parent Company Summary

Current Parent Company Name: MDU Resources
Ownership Structure: publicly traded (ticker symbol MDU)
Headquartered in: North Dakota
Major Industry: diversified
Specific Industry: diversified
Penalty total since 2000: $2,676,596
Number of records: 52
Top 5 Offense Groups (Groups Defined)Penalty TotalNumber of Records
safety-related offenses$2,091,76236
environment-related offenses$532,14913
employment-related offenses$52,6853
Top 5 Primary Offense TypesPenalty TotalNumber of Records
utility safety violation$1,523,3206
workplace safety or health violation$505,68228
pipeline safety violation$288,5003
water pollution violation$185,5443
motor vehicle safety violation$62,7602
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.

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Company sort iconPrimary Offense TypeYearAgencyPenalty Amount
WBI ENERGY TRANSMISSION INC.pipeline safety violation2007PHMSA$5,500
WBI ENERGY TRANSMISSION INC.pipeline safety violation2005PHMSA$8,000
WBI Energy Midstream, LLClabor relations violation2015NLRB$8,408
Wagner Industrial Electric Inc.employment discrimination2009DOJ_RIGHTS$12,000
THE WAGNER-SMITH COMPANYworkplace safety or health violation2001OSHA$5,200
THE WAGNER-SMITH COMPANYworkplace safety or health violation2005OSHA$90,000
THE WAGNER-SMITH COMPANYworkplace safety or health violation2005OSHA$14,000
POUK & STEINLE, INCworkplace safety or health violation2005OSHA$18,000
POUK & STEINLE INCworkplace safety or health violation2006OSHA$24,500
POUK & STEINLE INCworkplace safety or health violation2002OSHA$23,250
POUK & STEINLE INCworkplace safety or health violation2008OSHA$20,000
Northstar Materials, Inc. dba Knife River Materialsenvironmental violation2021MN-ENV$17,525
Northstar Materials Inc dba Knife River Materialsenvironmental violation2007MN-ENV$5,000
Northstar Materials Inc dba Knife River Materialsworkplace safety or health violation2010MSHA$10,500
Montana-Dakota Utilities Co., a Division of MDU Resources Group, Inc.utility safety violation2015ND-PSC$9,160
Montana-Dakota Utilities Co., a Division of MDU Resources Group, Inc.utility safety violation2015ND-PSC$9,160
Montana-Dakota Utilities Co.utility safety violation2021ND-PSC$5,000
MONTANA-DAKOTA UTILITIES CO.workplace safety or health violation2019OSHA$6,630
LTM, INCORPORATED, dba KNIFE RIVER MATERIALSair pollution violation2010OR-ENV$9,600
LTM, INCORPORATED , dba KNIFE RIVER MATERIALSwater pollution violation2015OR-ENV$159,144
LTM Incorporatedwater pollution violation2020OR-ENV$18,000
LTM INCORPORATEDwater pollution violation2001OR-ENV$8,400
JTL Group, Inc. dba Knife Riverair pollution violation2014WY-ENV$7,000
JTL Group, Inc.air pollution violation2006WY-ENV$5,000
JTL GROUP INC.workplace safety or health violation2017OSHA$41,826
Jtl Group Incmotor vehicle safety violation2024FMCSA$7,650
INTERNATIONAL LINE BUILDERS, INC.workplace safety or health violation2020OSHA$24,200
INTERNATIONAL LINE BUILDERS INC.workplace safety or health violation2003OSHA$5,000
INTERNATIONAL LINE BUILDERS INCworkplace safety or health violation2019OSHA$8,400
INTERNATIONAL LINE BUILDERS INCworkplace safety or health violation2021OSHA$14,000
INTERNATIONAL LINE BUILDERSworkplace safety or health violation2006OSHA$7,000
INTERMOUNTAIN GAS COpipeline safety violation2004PHMSA$275,000
Hawaiian Cementworkplace safety or health violation2020MSHA$5,776
HAP TAYLOR & SONS, INC. DBA KNIFE RIVERworkplace safety or health violation2008OSHA$12,000
Hap Taylor & Sons, Inc.motor vehicle safety violation2010FMCSA$55,110
HAP TAYLOR & SONS, INC.environmental violation2004OR-ENV$6,330
HAMLIN ELECTRIC INC.workplace safety or health violation2003OSHA$38,000
HAMLIN ELECTRIC COMPANYworkplace safety or health violation2004OSHA$7,000
DURO ELECTRIC COMPANYworkplace safety or health violation2003OSHA$7,000
DURO ELECTRICworkplace safety or health violation2019OSHA$7,500
DSS COMPANYworkplace safety or health violation2015OSHA$36,500
Connolly-Pacific Companyworkplace safety or health violation2009MSHA$40,000
CONNOLLY PACIFIC COMPANYworkplace safety or health violation2009OSHA$7,000
CASCADE NATURAL GAS CORPORATIONworkplace safety or health violation2022OSHA$5,400
Cascade Natural Gasutility safety violation2017WA-UTC$1,000,000
Cascade Natural Gasutility safety violation2011WA-UTC$425,000
Cascade Natural Gasutility safety violation2005WA-UTC$75,000
CAPITAL ELECTRIC LINE BUILDERS, INC.workplace safety or health violation2006OSHA$5,000
CAPITAL ELECTRIC LINE BUILDERS, INCworkplace safety or health violation2008OSHA$10,000
Bauerly Brothers, Inc.labor relations violation2003NLRB$32,277
BAUERLY BROS, INC.workplace safety or health violation2006OSHA$12,000
ANDY CRAMERenvironmental violation2015EPA$7,650
(*): Penalty amounts marked by an asterisk are ones announced by more than one agency. Parent penalty totals are adjusted to avoid double-counting.