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Establishment profile

KNIFE RIVER CORPORATION - NORTH CENTRAL

42945 HARDER AVE, HARRIS, MN, 55032
Operated by Knife River Corp · 1 of 191 establishments
327320Ready-Mix Concrete Manufacturing

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OSHA inspections
3
over 11 years
Violations
2
$595 in penalties
Penalties
$595
$298 avg
Violations across 3 federal agencies
Enforcement actions from multiple agencies may indicate systemic compliance issues across functions.
Accident investigations on record
1 National Emphasis Program inspections

Summary

KNIFE RIVER CORPORATION - NORTH CENTRAL has accumulated 2 OSHA violations across 3 inspections over 11 years of recorded history, with $595 in total assessed penalties.

The establishment sits in the 40th percentile for violations within its industry-state peer group of 296 employers. Inspection frequency runs at the 73rd percentile. The most recent enforcement activity was recorded 2 months ago.

Federal records were found in 3 of 15 sources. Sources without matching records returned empty for this establishment.

Agency coverage

KNIFE RIVER CORPORATION - NORTH CENTRAL appears in OSHA workplace safety, MSHA mine safety, and NLRB labor relations records only. No matching records were found in WHD wage enforcement, EPA environmental compliance, OFLC visa and labor certification (historical), FMCSA motor carrier registration, SAM.gov federal debarment, CMS nursing home enforcement, UVA Corporate Prosecution Registry, CPSC product recalls, or NHTSA vehicle recalls.

OSHA workplace safety

Inspections
3
0.3 / yr · last 11 yrs
Violations
2
0.2 / yr
Penalties
$595
$298 avg / violation
Inspection trigger · planned
3 of 3

67% of inspections at this establishment produced violations,

Most-cited OSHA standards

Top OSHA standards cited at this employer, ranked by citation count. Standards (CFR sections) cluster citations into safety themes -- machine guarding, lockout-tagout, hazard communication, fall protection, process safety, etc. A concentration on one or two sections reveals a pattern that individual citations don’t. 2 distinct standards shown · 2 citations in this view · $595 in penalties.

CFR sectionCitationsInspectionsTotal penaltyFirst citedLast cited
29 CFR 1910.0178 L11$350Aug 2014Aug 2014
29 CFR 5205.011611$245Dec 2019Dec 2019

Source: OSHA inspection citations (violation_detail). CFR section codes can be looked up at osha.gov/laws-regs for the formal standard text. Per-inspection detail and the specific violation descriptions are available by expanding individual inspections below.

Peer comparison

40th

Below average violations in NAICS 3273 within MN. Peer group: 296 employers. This establishment has 2 OSHA violations; peer median is 2.

Fewer violationsMore violations
Penalty percentile
42nd
peer median: $813
Inspection frequency
73rd
peer median: 1

Safety self-report (OSHA 300A)

Recordable injury rates the employer filed with OSHA’s Injury Tracking Application. DART covers cases with days away, restricted, or transferred; TRIR is the total recordable case rate.

DART rate
1.9
vs industry
+0.3
TRIR
3.9
vs industry
+1.4

Reported for 46 average annual employees at this establishment.

Source: OSHA ITA Form 300A (employer self-reported). Rates are per 100 full-time equivalent workers. Establishments below the ~10-FTE threshold are not required to report.

Industry benchmark

Industry avg TRIR
2.5
BLS SOII 2024
Industry avg DART
1.6
BLS SOII 2024
Self-reported TRIR
3.9
OSHA ITA Form 300A (employer self-reported)

BLS rates reflect industry-wide averages. Self-reported figures come from OSHA’s Injury Tracking Application; absence of self-reported data does not necessarily indicate non-compliance — many establishments fall below the ITA reporting threshold.

Inspection breakdown

Planned
3

Complaint- and accident-triggered inspections are stronger risk signals than routine planned inspections.

OSHA severe injury reports

No severe injury reports (hospitalization, amputation, or loss of an eye) on file under 29 CFR 1904.39 for KNIFE RIVER CORPORATION - NORTH CENTRAL. Verify directly with Occupational Safety and Health Administration

Activity timeline

Data refreshed
Weekly
First OSHA inspection
Most recent activity
2 months ago

Most recent federal enforcement activity recorded 2 months ago. Data on this page is refreshed weekly.

Wage & Hour Division (WHD)

No WHD wage, overtime, or child-labor enforcement cases on file for KNIFE RIVER CORPORATION - NORTH CENTRAL. Verify directly with Wage and Hour Division

Mine safety (MSHA)

Company-level in MN — for Knife River Corp, not this location alone

Violations
355
Assessed penalties
$155,185

Mine Safety & Health Administration — citations issued at mining operations. MSHA records cases at the company/regional level (no worksite address), so these are matched by company name and state and may span other Knife River Corp operations in the same state.

MSHA citations

Mine Safety and Health Administration citations. S&S (significant and substantial) marks violations that could reasonably contribute to a serious injury. Negligence rating is MSHA’s operator-culpability assessment (none, low, moderate, high, or reckless disregard). Proposed = assessed at issuance; Paid = post-settlement / appeal. 100 citations · 47S&S · 1 contractor · $133,931 proposed / $105,830 paid.

CitationMineDateSectionS&SNegligenceProposedPaid
8738844
43491
Benton, MN
Oct 2013YesLowNegligence$52,500$30,000
8660813
43491
Benton, MN
Dec 2011YesHighNegligence$52,500$47,250
6492160
513497
Benton, MN
Jul 2009NoHighNegligence$5,000$5,000
6553295
43491
Benton, MN
Nov 2010YesHighNegligence$2,200$2,000
8660814
43491
Benton, MN
Dec 2011YesModNegligence$1,795$1,795
8660812
43491
Benton, MN
Dec 2011YesModNegligence$1,795$1,795
6175079
45900/45951
Benton, MN
May 2005YesModNegligence$1,096$1,096
8950586
510367
Benton, MN
Jul 2017YesHighNegligence$677$677
7839268
45960
Benton, MN
Oct 2000YesModNegligence$655$655
9998820
513476
Benton, MN
May 2025YesModNegligence$642$642
7839869
43490
Benton, MN
Jun 2001YesModNegligence$399$399
6492159
513497
Benton, MN
Jul 2009YesModNegligence$392$392
6408263
43495
Benton, MN
Oct 2008YesModNegligence$392$392
8888513
513497
Benton, MN
Jul 2015YesModNegligence$362$362
8888257
526712
Benton, MN
Jul 2015NoModNegligence$362$362
8738845
43491
Benton, MN
Oct 2013YesLowNegligence$362$362
6553288
45992
Benton, MN
Oct 2010YesModNegligence$362$362
6134473
43490
Benton, MN
Apr 2002NoModNegligence$294$294
9998822
513476
Benton, MN
May 2025YesLowNegligence$288$288
9998821
513476
Benton, MN
May 2025YesModNegligence$288$288
7839813
43490
Benton, MN
Jun 2001YesModNegligence$277$277
6192709
43485
Benton, MN
Nov 2006YesModNegligence$217$217
8897171
503990
Chisago, MN
Jul 2017YesModNegligence$204$204
8853488
513479
Benton, MN
Apr 2017YesModNegligence$204$204
8946422
513500
Benton, MN
Oct 2016YesModNegligence$200$200
8848003
43491
Benton, MN
Nov 2014YesLowNegligence$196$196
6192710
516512
Benton, MN
Nov 2006YesModNegligence$191$191
6194436
43490
Benton, MN
Oct 2007YesLowNegligence$190$190
7839274
513497
Benton, MN
Nov 2000YesModNegligence$184$184
6174152
45417
Benton, MN
Oct 2004YesModNegligence$177$177
6492843
45992
Benton, MN
Oct 2009YesLowNegligence$176$176
6492113
45992
Benton, MN
May 2009YesLowNegligence$176$176
6193487
43490
Benton, MN
May 2007YesModNegligence$176$176
9998855
503413
Stearns, MN
Jul 2025NoModNegligence$168$168
6158904
43495
Benton, MN
Nov 2003YesModNegligence$165$165
8888106
513479
Benton, MN
Aug 2015YesModNegligence$162$162
8665530
503990
Chisago, MN
Nov 2012YesLowNegligence$162$162
8665505
513479
Benton, MN
Oct 2012YesLowNegligence$162$162
6427323
513497
Benton, MN
Aug 2010YesModNegligence$162$162
9624798
513500
Benton, MN
Sep 2023NoModNegligence$159$159
9486615
510003
Chisago, MN
May 2022YesModNegligence$155$155
6192702
43485
Benton, MN
Nov 2006YesModNegligence$154$154
6175930
503403
Benton, MN
Oct 2005YesModNegligence$154$154
9697172
510374
Benton, MN
Apr 2026NoLowNegligence$151
8821799
513402
Stearns, MN
Jan 2026NoModNegligence$151$151
9998887
510365
Benton, MN
Sep 2025NoLowNegligence$151$151
9998886
510365
Benton, MN
Sep 2025NoLowNegligence$151$151
9998856
503413
Stearns, MN
Jul 2025NoModNegligence$151$151
9998854
503413
Stearns, MN
Jul 2025NoLowNegligence$151$151
9998823
513476
Benton, MN
May 2025NoLowNegligence$151$151
7838359
503403
Benton, MN
Apr 2025NoModNegligence$151$151
6495282
516512
Benton, MN
Jun 2024NoLowNegligence$147$147
6495281
510367
Benton, MN
May 2024NoModNegligence$147$147
6192727
516512
Benton, MN
Nov 2006YesModNegligence$144$144
9624770
513476
Benton, MN
Jun 2023NoLowNegligence$143$143
9487330
503418
Kanabec, MN
May 2023NoLowNegligence$143$143
6158612
45950
Isanti, MN
Jun 2003YesModNegligence$143$143
8951227
510367
Benton, MN
Aug 2017YesModNegligence$135$135
8951226
510367
Benton, MN
Aug 2017YesModNegligence$135$135
8946418
503403
Benton, MN
Oct 2016YesModNegligence$134$134
9624574
526712
Benton, MN
Oct 2022NoModNegligence$133$133
9625111
510367
Benton, MN
Sep 2022NoModNegligence$133$133
9580455
513500
Benton, MN
Aug 2022NoModNegligence$133$133
9486628
513479
Benton, MN
Jul 2022NoModNegligence$133$133
6492309
45503
Morrison, MN
Oct 2009YesModNegligence$131$131
7839833
44483
Benton, MN
Jun 2001YesModNegligence$131$131
9481731
526712
Benton, MN
Sep 2021NoLowNegligence$125$125
9481730
503403
Benton, MN
Sep 2021NoLowNegligence$125$125
8848982
503421
Benton, MN
Aug 2021NoLowNegligence$125$125
6166200
503418
Kanabec, MN
May 2021NoModNegligence$125$125
6175922
513497
Benton, MN
Oct 2005YesModNegligence$124$124
8947714
513325
Morrison, MN
Nov 2020NoLowNegligence$123$123
9481249
503418
Kanabec, MN
May 2020NoModNegligence$123$123
9481248
513497
Benton, MN
May 2020NoModNegligence$123$123
9481246
513325
Morrison, MN
May 2020NoModNegligence$123$123
9481245
513325
Morrison, MN
May 2020NoModNegligence$123$123
9480565
513322
Benton, MN
Mar 2020NoModNegligence$123$123
9480564
513322
Benton, MN
Mar 2020NoLowNegligence$123$123
9480226
Charcoal #3 Quarry
Stearns, MN
contractor: Knife River North Central
Dec 2019NoModNegligence$123$123
7838702
503403
Benton, MN
Apr 2000YesModNegligence$122$122
9480042
516512
Benton, MN
Nov 2019NoLowNegligence$121$121
9480017
513476
Benton, MN
Oct 2019NoLowNegligence$121$121
9480016
503421
Benton, MN
Oct 2019NoLowNegligence$121$121
9385363
513325
Morrison, MN
Jul 2019NoLowNegligence$121$121
9385355
516512
Benton, MN
Jul 2019NoLowNegligence$121$121
9385354
516512
Benton, MN
Jul 2019NoLowNegligence$121$121
9385353
526712
Benton, MN
Jul 2019NoModNegligence$121$121
9381528
503418
Kanabec, MN
Jul 2019NoLowNegligence$121$121
9381527
503418
Kanabec, MN
Jul 2019NoLowNegligence$121$121
9381526
503418
Kanabec, MN
Jul 2019NoLowNegligence$121$121
9385339
503403
Benton, MN
May 2019NoLowNegligence$121$121
9385338
503403
Benton, MN
May 2019NoLowNegligence$121$121
9384501
513322
Benton, MN
Nov 2018NoModNegligence$118$118
9384500
513500
Benton, MN
Nov 2018NoLowNegligence$118$118
9384499
513500
Benton, MN
Nov 2018NoLowNegligence$118$118
9384498
513500
Benton, MN
Nov 2018NoLowNegligence$118$118
9381255
513322
Benton, MN
Aug 2018NoLowNegligence$118$118
9381254
513322
Benton, MN
Aug 2018NoModNegligence$118$118
9384610
513325
Morrison, MN
Jul 2018NoModNegligence$118$118
9384609
513325
Morrison, MN
Jul 2018NoModNegligence$118$118

Source: MSHA citation database. “Contractor” annotations indicate the cited party was on-site at the mine but not the mine’s operator -- responsibility attaches to the contractor LLC, not the mine’s owner. Section codes reference 30 CFR (the Mine Safety and Health regulations).

Labor relations (NLRB)

Company-level in MN — for Knife River Corp, not this location alone

Total cases
1
Representation (union)
1

National Labor Relations Board — unfair labor practice charges and union representation cases. The NLRB records cases at the company/regional level (no worksite address), so these are matched by company name and state and may span other Knife River Corp locations in the same state.

NLRB cases

National Labor Relations Board cases involving this employer. Includes unfair labor practice (ULP) filings and representation election proceedings. NLRB enforcement is process-driven; no per-case monetary penalty is assessed (remedies are case-by-case backpay orders, posting requirements, election re-runs, etc.). 1 case · 1 representation

Case numberTypeFiledClosedStatusRegion
18-RC-388297Representation electionJun 2026OpenRegion 18, Minneapolis, Minnesota

Source: NLRB case files. Rows shown are those the agency has published. Region numbers (1–31) correspond to NLRB's geographic offices.

Visa & labor certification (OFLC) — historical

No H-1B, H-2A, or H-2B labor condition applications on file (historical data only — DOL ended OFLC publication) for KNIFE RIVER CORPORATION - NORTH CENTRAL. Verify directly with Office of Foreign Labor Certification

Environmental compliance (EPA)

No EPA inspections or formal enforcement actions on file for KNIFE RIVER CORPORATION - NORTH CENTRAL. Verify directly with Environmental Protection Agency

Federal criminal prosecution record

No federal criminal prosecutions, plea agreements, or deferred-prosecution agreements on file for KNIFE RIVER CORPORATION - NORTH CENTRAL. Verify directly with UVA Corporate Prosecution Registry

Federal contracts

No federal contracts are recorded to this specific location.

Company-wide — MDU RESOURCES GROUP, INC. (across 46 entities)
Obligated (5-yr)
$25.9M
Obligated (all-time)
$255.8M
Awards (all-time)
1,036

Consolidated across all USAspending recipient entities under this corporate parent — not attributable to this single location.

Federal contract activity for the parent corporation. Source: USAspending.gov, net obligations. Recipient address is the SAM registration / HQ address, not necessarily the worksite.

Inspection history

DateTriggerViolationsSeriousPenalty
2026-04-23Planned0$0
2019-12-05Planned1$245
2014-08-19Planned1$350

Source: OSHA IMIS. Citation amounts reflect initially assessed penalties; final amounts after appeal may differ.

In the news

Part of a larger organization

KNIFE RIVER CORPORATION - NORTH CENTRAL is one of 191 establishments rolled up under the parent organization Knife River Corp.

Federal enforcement records on this page represent activity at this specific establishment only. The full enforcement footprint of Knife River Corp across all 191 of its tracked locations is viewable on the parent profile.

Other employers in this industry and state

Other employers in ready-mix concrete manufacturing within MN, ordered by federal enforcement volume:

Other locations under this parent

Other establishments operated by Knife River Corp, ordered by federal enforcement volume:

Related searches

About this data

This profile aggregates federal enforcement records on KNIFE RIVER CORPORATION - NORTH CENTRAL from every major federal compliance and enforcement source plus the UVA Corporate Prosecution Registry. OSHA workplace safety inspections, WHD wage cases, MSHA mine safety, EPA environmental enforcement, NLRB labor relations, OFLC visa/labor certification, FMCSA motor carrier registration, SAM.gov debarments, CMS nursing-home records, BLS industry safety benchmarks, OSHA ITA self-reported injury rates, SEC enforcement and financial disclosures, CPSC and NHTSA recalls.

Establishments are matched across agencies using normalized employer name, state, and ZIP code. This establishment resolves to the parent rollup Knife River Corp, which operates 191 establishments in our dataset.

OSHA citations typically appear 3–8 months after the inspection, so very recent enforcement actions may not yet be reflected. Profiles may be incomplete if the establishment operates under multiple legal names or files under variations our entity-matching rules don’t yet cover. To report a missing record or correction, email corrections@fastdol.com.

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Frequently asked

What is KNIFE RIVER CORPORATION - NORTH CENTRAL's OSHA violation history?
KNIFE RIVER CORPORATION - NORTH CENTRAL has 3 OSHA inspections on record with 2 violations and $595 in total penalties.
How does KNIFE RIVER CORPORATION - NORTH CENTRAL's safety record compare to its industry?
KNIFE RIVER CORPORATION - NORTH CENTRAL operates in the ready-mix concrete manufacturing industry. The industry average Total Recordable Incident Rate (TRIR) is 2.5. KNIFE RIVER CORPORATION - NORTH CENTRAL's self-reported DART rate is 1.94 compared to an industry average of 1.6.