Establishment profile
BLACK HILLS BENTONITE
55 SOUTH SALT CREEK HWY., CASPER, WY, 82609
Summary
BLACK HILLS BENTONITE has accumulated 0 OSHA violations across 1 inspection over 30 years of recorded history.
The most recent federal enforcement activity was recorded 30 years ago.
Federal records were found in 1 of 15 sources. Sources without matching records returned empty for this establishment.
Agency coverage
BLACK HILLS BENTONITE appears in OSHA workplace safety, MSHA mine safety, and UVA Corporate Prosecution Registry records only. No matching records were found in WHD wage enforcement, EPA environmental compliance, NLRB labor relations, OFLC visa and labor certification (historical), FMCSA motor carrier registration, SAM.gov federal debarment, CMS nursing home enforcement, CPSC product recalls, or NHTSA vehicle recalls.
OSHA workplace safety
Peer comparison
Fewer violations than most other employers. Peer group: 9,475 employers. This establishment has 0 OSHA violations; peer median is 0.
Safety self-report (OSHA 300A)
No self-reported injury rates filed with OSHA's Injury Tracking Application for BLACK HILLS BENTONITE. Verify directly with OSHA Injury Tracking Application →
Inspection breakdown
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 BLACK HILLS BENTONITE. Verify directly with Occupational Safety and Health Administration →
Activity timeline
No federal enforcement activity has been recorded against this establishment in 30+ years. Most recent activity: 30 years ago. Data on this page is refreshed weekly.
Wage & Hour Division (WHD)
No WHD wage, overtime, or child-labor enforcement cases on file for BLACK HILLS BENTONITE. Verify directly with Wage and Hour Division →
Mine safety (MSHA)
Company-level in WY — for BLACK HILLS BENTONITE, not this location alone
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 BLACK HILLS BENTONITE 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 · 78S&S · $206,780 proposed / $135,412 paid.
| Citation | Mine | Date | Section | S&S | Negligence | Proposed | Paid |
|---|---|---|---|---|---|---|---|
| 6305591 | Mills Plant Natrona, WY | Aug 2007 | — | Yes | LowNegligence | $45,000 | $900 |
| 8752348 | Mills Plant Natrona, WY | Feb 2015 | — | Yes | HighNegligence | $18,742 | $7,925 |
| 9471967 | Mills Plant Natrona, WY | Dec 2022 | — | Yes | LowNegligence | $6,688 | $3,006 |
| 8826389 | Mills Plant Natrona, WY | Sep 2017 | — | Yes | HighNegligence | $6,531 | $4,898 |
| 9348562 | HT Plant Natrona, WY | Aug 2020 | — | No | HighNegligence | $6,232 | $6,232 |
| 8826388 | Mills Plant Natrona, WY | Sep 2017 | — | Yes | HighNegligence | $5,877 | $4,408 |
| 8937473 | HT Plant Natrona, WY | Aug 2016 | — | No | HighNegligence | $5,783 | $450 |
| 8752485 | Mills Plant Natrona, WY | May 2014 | — | Yes | ModNegligence | $4,689 | $4,689 |
| 8752482 | Mills Plant Natrona, WY | May 2014 | — | Yes | ModNegligence | $4,689 | $4,689 |
| 8752350 | Mills Plant Natrona, WY | Feb 2015 | — | Yes | HighNegligence | $4,440 | $4,440 |
| 8752349 | Mills Plant Natrona, WY | Feb 2015 | — | Yes | HighNegligence | $4,440 | $4,440 |
| 8752347 | Mills Plant Natrona, WY | Feb 2015 | — | Yes | HighNegligence | $4,440 | $4,440 |
| 8752346 | Mills Plant Natrona, WY | Feb 2015 | — | Yes | HighNegligence | $3,996 | $3,996 |
| 6456596 | Mills Plant Natrona, WY | Apr 2013 | — | Yes | ModNegligence | $3,405 | $3,405 |
| 6456595 | Mills Plant Natrona, WY | Apr 2013 | — | Yes | ModNegligence | $3,405 | $3,405 |
| 9731797 | Kaycee Mine Johnson, WY | Mar 2024 | — | Yes | ModNegligence | $3,361 | $3,361 |
| 6420058 | Mills Plant Natrona, WY | Jan 2009 | — | Yes | HighNegligence | $3,143 | $3,143 |
| 8752353 | Mills Plant Natrona, WY | Feb 2015 | — | Yes | ModNegligence | $2,678 | $2,678 |
| 6420046 | Mills Plant Natrona, WY | Jan 2009 | — | Yes | ModNegligence | $2,678 | $2,678 |
| 6420044 | Mills Plant Natrona, WY | Jan 2009 | — | Yes | ModNegligence | $2,678 | $2,678 |
| 6420043 | Mills Plant Natrona, WY | Jan 2009 | — | Yes | ModNegligence | $2,678 | $2,678 |
| 7914627 | Mills Plant Natrona, WY | Oct 2002 | — | Yes | ModNegligence | $2,400 | $2,400 |
| 9650844 | TENSLEEP MINE Washakie, WY | Nov 2021 | — | Yes | HighNegligence | $2,237 | $2,237 |
| 6420100 | Mills Plant Natrona, WY | May 2009 | — | Yes | ModNegligence | $2,106 | $1,052 |
| 8752316 | Mills Plant Natrona, WY | Oct 2014 | — | Yes | ModNegligence | $1,944 | $1,944 |
| 8937478 | Mills Plant Natrona, WY | Aug 2016 | — | Yes | ModNegligence | $1,607 | $1,607 |
| 9657046 | TENSLEEP MINE Washakie, WY | Apr 2022 | — | Yes | HighNegligence | $1,593 | $1,593 |
| 9657043 | TENSLEEP MINE Washakie, WY | Apr 2022 | — | Yes | HighNegligence | $1,593 | $1,593 |
| 9657040 | TENSLEEP MINE Washakie, WY | Apr 2022 | — | Yes | NoNegligence | $1,593 | — |
| 8752483 | Mills Plant Natrona, WY | May 2014 | — | Yes | ModNegligence | $1,412 | $1,412 |
| 5030825 | Mills Plant Natrona, WY | Jul 2025 | — | No | ModNegligence | $1,320 | $1,320 |
| 9902867 | Mills Plant Natrona, WY | Jul 2024 | — | Yes | ModNegligence | $1,287 | $1,287 |
| 9902874 | Mills Plant Natrona, WY | Jul 2024 | — | Yes | ModNegligence | $1,287 | $1,287 |
| 8825911 | TENSLEEP MINE Washakie, WY | Jul 2015 | — | Yes | HighNegligence | $1,203 | $1,203 |
| 8752351 | Mills Plant Natrona, WY | Feb 2015 | — | Yes | ModNegligence | $1,203 | $762 |
| 6420049 | Mills Plant Natrona, WY | Jan 2009 | — | Yes | ModNegligence | $1,203 | $1,203 |
| 8752541 | Mills Plant Natrona, WY | Aug 2014 | — | No | ModNegligence | $1,111 | $1,111 |
| 6456046 | Mills Plant Natrona, WY | Nov 2010 | — | Yes | ModNegligence | $1,111 | $1,111 |
| 8937477 | Mills Plant Natrona, WY | Aug 2016 | — | Yes | ModNegligence | $1,078 | $1,078 |
| 8937474 | Mills Plant Natrona, WY | Aug 2016 | — | Yes | ModNegligence | $1,078 | $1,078 |
| 8752358 | Kaycee Mine Johnson, WY | Feb 2015 | — | No | HighNegligence | $1,026 | $1,026 |
| 6456597 | Mills Plant Natrona, WY | Apr 2013 | — | Yes | ModNegligence | $1,026 | $1,026 |
| 6420214 | Mills Plant Natrona, WY | May 2008 | — | Yes | ModNegligence | $1,026 | $1,026 |
| 6420213 | Mills Plant Natrona, WY | May 2008 | — | Yes | ModNegligence | $1,026 | $1,026 |
| 6588456 | OSHOTO MINE Weston, WY | Mar 2011 | — | Yes | ModNegligence | $900 | $900 |
| 5030824 | Mills Plant Natrona, WY | Jul 2025 | — | No | LowNegligence | $883 | $883 |
| 8752315 | Mills Plant Natrona, WY | Oct 2014 | — | Yes | ModNegligence | $873 | $873 |
| 6455167 | Mills Plant Natrona, WY | May 2010 | — | Yes | ModNegligence | $873 | $873 |
| 9902879 | Mills Plant Natrona, WY | Jul 2024 | — | Yes | ModNegligence | $861 | $861 |
| 6419748 | Mills Plant Natrona, WY | Nov 2009 | — | Yes | ModNegligence | $807 | $807 |
| 9721698 | TENSLEEP MINE Washakie, WY | Jul 2023 | — | No | ModNegligence | $772 | $772 |
| 9721651 | TENSLEEP MINE Washakie, WY | Feb 2023 | — | Yes | ModNegligence | $712 | $712 |
| 9721650 | TENSLEEP MINE Washakie, WY | Feb 2023 | — | Yes | ModNegligence | $712 | $712 |
| 9305305 | OSHOTO MINE Weston, WY | May 2018 | — | No | HighNegligence | $638 | $638 |
| 6305819 | Mills Plant Natrona, WY | Jan 2008 | — | Yes | ModNegligence | $634 | $634 |
| 6305818 | Mills Plant Natrona, WY | Jan 2008 | — | Yes | ModNegligence | $634 | $634 |
| 6302023 | Mills Plant Natrona, WY | Dec 2003 | — | No | ModNegligence | $629 | $629 |
| 6304802 | HT Plant Natrona, WY | Dec 2007 | — | Yes | ModNegligence | $585 | $585 |
| 9731151 | OSHOTO MINE Weston, WY | Aug 2024 | — | Yes | ModNegligence | $576 | $576 |
| 9908574 | TENSLEEP MINE Washakie, WY | Dec 2024 | — | Yes | ModNegligence | $549 | $549 |
| 8752345 | Mills Plant Natrona, WY | Feb 2015 | — | No | LowNegligence | $540 | $100 |
| 8752344 | Mills Plant Natrona, WY | Feb 2015 | — | No | LowNegligence | $540 | $100 |
| 6420042 | Mills Plant Natrona, WY | Jan 2009 | — | No | ModNegligence | $540 | $540 |
| 9578167 | TENSLEEP MINE Washakie, WY | Sep 2024 | — | Yes | ModNegligence | $535 | $535 |
| 9900589 | TENSLEEP MINE Washakie, WY | Mar 2024 | — | Yes | ModNegligence | $535 | $535 |
| 9471845 | Mills Plant Natrona, WY | Aug 2021 | — | Yes | ModNegligence | $530 | $530 |
| 9349453 | Mills Plant Natrona, WY | Apr 2020 | — | Yes | HighNegligence | $523 | $523 |
| 9349450 | Mills Plant Natrona, WY | Apr 2020 | — | Yes | ModNegligence | $523 | $523 |
| 9732799 | Kaycee Mine Johnson, WY | Oct 2025 | — | Yes | ModNegligence | $504 | $504 |
| 9305317 | OSHOTO MINE Weston, WY | Jun 2018 | — | No | HighNegligence | $502 | $502 |
| 9348564 | HT Plant Natrona, WY | Aug 2020 | — | Yes | ModNegligence | $487 | $487 |
| 9348563 | HT Plant Natrona, WY | Aug 2020 | — | Yes | ModNegligence | $487 | $487 |
| 9657041 | TENSLEEP MINE Washakie, WY | Apr 2022 | — | Yes | ModNegligence | $481 | $481 |
| 9650840 | TENSLEEP MINE Washakie, WY | Nov 2021 | — | Yes | ModNegligence | $453 | $453 |
| 8826457 | Kaycee Mine Johnson, WY | Mar 2016 | — | Yes | ModNegligence | $446 | $446 |
| 9396454 | OSHOTO MINE Weston, WY | Jan 2019 | — | Yes | ModNegligence | $440 | $440 |
| 8937412 | HT Plant Natrona, WY | Feb 2016 | — | Yes | ModNegligence | $436 | $436 |
| 9908593 | Mills Plant Natrona, WY | Dec 2024 | — | No | ModNegligence | $432 | $432 |
| 9908592 | Mills Plant Natrona, WY | Dec 2024 | — | No | ModNegligence | $432 | $432 |
| 6456542 | Mills Plant Natrona, WY | Nov 2012 | — | No | ModNegligence | $425 | $425 |
| 6455578 | Kaycee Mine Johnson, WY | Feb 2011 | — | Yes | ModNegligence | $425 | $425 |
| 6420395 | TENSLEEP MINE Washakie, WY | Aug 2009 | — | Yes | ModNegligence | $403 | $403 |
| 8586129 | TENSLEEP MINE Washakie, WY | Jul 2013 | — | Yes | ModNegligence | $392 | $392 |
| 8586128 | TENSLEEP MINE Washakie, WY | Jul 2013 | — | Yes | ModNegligence | $392 | $392 |
| 8585964 | TENSLEEP MINE Washakie, WY | Jan 2013 | — | Yes | ModNegligence | $392 | $392 |
| 8585963 | TENSLEEP MINE Washakie, WY | Jan 2013 | — | Yes | ModNegligence | $392 | $392 |
| 8585945 | HT Plant Natrona, WY | Dec 2012 | — | Yes | ModNegligence | $392 | $392 |
| 6304800 | HT Plant Natrona, WY | Dec 2007 | — | Yes | ModNegligence | $392 | $392 |
| 6304799 | HT Plant Natrona, WY | Dec 2007 | — | Yes | ModNegligence | $392 | $392 |
| 8941613 | OSHOTO MINE Weston, WY | May 2016 | — | Yes | ModNegligence | $380 | $380 |
| 5033764 | Kaycee Mine Johnson, WY | Apr 2026 | — | Yes | ModNegligence | $366 | — |
| 8825912 | TENSLEEP MINE Washakie, WY | Jul 2015 | — | Yes | ModNegligence | $362 | $362 |
| 9349451 | Mills Plant Natrona, WY | Apr 2020 | — | No | HighNegligence | $351 | $351 |
| 9722131 | TENSLEEP MINE Washakie, WY | Sep 2023 | — | No | ModNegligence | $346 | $346 |
| 6305821 | Mills Plant Natrona, WY | Jan 2008 | — | No | ModNegligence | $334 | $334 |
| 9304194 | Mills Plant Natrona, WY | Jun 2017 | — | No | HighNegligence | $330 | $330 |
| 9304187 | Mills Plant Natrona, WY | Jun 2017 | — | No | HighNegligence | $330 | $330 |
| 6302031 | Mills Plant Natrona, WY | Dec 2003 | — | Yes | ModNegligence | $324 | $324 |
| 6456594 | Mills Plant Natrona, WY | Apr 2013 | — | No | ModNegligence | $308 | $308 |
| 6302029 | Mills Plant Natrona, WY | Dec 2003 | — | Yes | ModNegligence | $305 | $305 |
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)
No NLRB unfair labor practice charges or union representation cases on file for BLACK HILLS BENTONITE. Verify directly with National Labor Relations Board →
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 BLACK HILLS BENTONITE. Verify directly with Office of Foreign Labor Certification →
Environmental compliance (EPA)
No EPA inspections or formal enforcement actions on file for BLACK HILLS BENTONITE. Verify directly with Environmental Protection Agency →
Federal criminal prosecution record
First case: 2008-07-07. Most recent: 2008-07-07. Source: UVA Corporate Prosecution Registry — federal pleas, DPAs, and NPAs.
Federal prosecution case file
Federal corporate prosecution records from the University of Virginia Corporate Prosecution Registry. DPA = Deferred Prosecution Agreement; NPA = Non-Prosecution Agreement; both are pre-trial settlements where the defendant accepts terms but avoids conviction. Monitor = court-appointed compliance oversight, usually 2-5 years. 1 case · 1 plea/conviction · $1,784 in penalties / restitution.
| Case | Date | Disposition | Crime | Jurisdiction | Total payment | Monitor |
|---|---|---|---|---|---|---|
USA v. Black Hills Bentonite LLC Black Hills Bentonite, LLC | Jul 2008 | plea | Other | Wyoming | $1,784 | No |
Source: University of Virginia Corporate Prosecution Registry (maintained by Prof. Brandon L. Garrett, Duke University). The registry has no state or jurisdiction-of-incorporation field on the company side, so same-name employers in different states may mis-attribute -- verify against the source case documents when precision matters.
Inspection history
| Date | Trigger | Violations | Serious | Penalty | |
|---|---|---|---|---|---|
| 1995-10-24 | Planned | 0 | — | $0 |
Source: OSHA IMIS. Citation amounts reflect initially assessed penalties; final amounts after appeal may differ.
In the news
Related searches
- Employers in WYState-wide enforcement data
About this data
This profile aggregates federal enforcement records on BLACK HILLS BENTONITE 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.
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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Contact sales →Frequently asked
- What is BLACK HILLS BENTONITE's OSHA violation history?
- BLACK HILLS BENTONITE has 1 OSHA inspection on record with 0 violations and $0 in total penalties.