Data / Mines / Utah / Uintah County
Mines in Uintah County, Utah: 14 open mines
Updated November 6, 2026. Source: US Department of Labor, Mine Safety and Health Administration (MSHA), Open Government Data Sets.
MSHA lists 14 open mines in Uintah County, Utah, run by 9 operators and employing 328 people. Since January 1, 2022 its inspectors issued 280 citations and orders there with $103,771 in proposed penalties, and operators reported 47 injury or illness cases. The operators with the most open mines are American Gilsonite Company; KW Crushing; Table Rock Minerals LLC. Data from MSHA, November 6, 2026.
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- Open mines
- 14
- Operators
- 9
- Employees
- 328
- Active
- 8
- Intermittent
- 5
- New Mine
- 1
- Mines run by individuals, counted and not listed
- 2
- Citations and orders since January 1, 2022
- 280
- Significant and substantial
- 45 (16.1%)
- Closure orders
- 3
- High negligence or reckless
- 7
- Proposed penalties
- $103,771
- Amount paid so far
- $94,625
- Inspections
- 164
- Inspector hours on site
- 2,709
- Citations per inspection
- 1.71 (all mines 2.30)
- Accident reports
- 48
- Injury and illness cases
- 47
- Fatalities
- 0
- Latest MSHA record
- October 12, 2026
Operators with the most open mines in Uintah County, Utah
Ranked by open mines, then by citations. Sole proprietors and individuals are not listed.
| Operator | Open mines | Employees | Citations since 2022 | Proposed penalties | Injury cases |
|---|---|---|---|---|---|
| American Gilsonite Company | 3 | 104 | 100 | $18,797 | 22 |
| KW Crushing | 2 | 6 | 23 | $5,172 | 1 |
| Table Rock Minerals LLC | 2 | 6 | 5 | $737 | 2 |
| Simplot Phosphates LLC | 1 | 140 | 33 | $5,687 | 13 |
| Wildcat Sand LLC | 1 | 2 | 28 | $3,399 | 0 |
| David L. Murray Trust | 1 | 2 | 21 | $8,325 | 0 |
| Intermountain Concrete Co. | 1 | 2 | 4 | $578 | 0 |
| Sunroc Corporation | 1 | 4 | 2 | $284 | 0 |
Operators with the most citations in Uintah County, Utah
Citations and orders issued since January 1, 2022 at their open mines here.
| Operator | Open mines | Employees | Citations since 2022 | Proposed penalties | Injury cases |
|---|---|---|---|---|---|
| American Gilsonite Company | 3 | 104 | 100 | $18,797 | 22 |
| Simplot Phosphates LLC | 1 | 140 | 33 | $5,687 | 13 |
| Wildcat Sand LLC | 1 | 2 | 28 | $3,399 | 0 |
| KW Crushing | 2 | 6 | 23 | $5,172 | 1 |
| David L. Murray Trust | 1 | 2 | 21 | $8,325 | 0 |
| Table Rock Minerals LLC | 2 | 6 | 5 | $737 | 2 |
| Intermountain Concrete Co. | 1 | 2 | 4 | $578 | 0 |
| Sunroc Corporation | 1 | 4 | 2 | $284 | 0 |
Mines with the most citations
Open mines, ranked by citations and orders since January 1, 2022.
| Mine | Operator | County | Main commodity | Employees | Citations since 2022 |
|---|---|---|---|---|---|
| Bonanza Mines | American Gilsonite Company | Uintah County, UT | Gilsonite | 70 | 46 |
| Vernal Pit & Mill | Simplot Phosphates LLC | Uintah County, UT | Phosphate rock | 140 | 33 |
| Bonanza Process Plant | American Gilsonite Company | Uintah County, UT | Gilsonite | 24 | 30 |
| Wildcat Sand Plant | Wildcat Sand LLC | Uintah County, UT | Sand, common | 2 | 28 |
| Cottonwood Mines | American Gilsonite Company | Uintah County, UT | Gilsonite | 10 | 24 |
| David L. Murray Trust | David L. Murray Trust | Uintah County, UT | Construction sand and gravel | 2 | 21 |
| KW Crushing | KW Crushing | Uintah County, UT | Construction sand and gravel | 4 | 12 |
| Kwtlp1 | KW Crushing | Uintah County, UT | Construction sand and gravel | 2 | 11 |
| TRM Mine and Mill | Table Rock Minerals LLC | Uintah County, UT | Gilsonite | 4 | 5 |
| Wall Pit And Plant | Intermountain Concrete Co. | Uintah County, UT | Construction sand and gravel | 2 | 4 |
| Randlett Pit | Sunroc Corporation | Uintah County, UT | Construction sand and gravel | 4 | 2 |
| TRM Mill | Table Rock Minerals LLC | Uintah County, UT | Gilsonite | 2 | 0 |
Main commodities
| Main commodity | Open mines | Share |
|---|---|---|
| Construction sand and gravel | 5 | 35.7% |
| Gilsonite | 5 | 35.7% |
| Phosphate rock | 1 | 7.1% |
| Ground silica | 1 | 7.1% |
| Sand, common | 1 | 7.1% |
Citations and injury cases by year
Calendar years since 2022; 2026 runs to the date of the MSHA files.
| Year | Citations and orders | Significant and substantial | Proposed penalties | Injury and illness cases |
|---|---|---|---|---|
| 2022 | 55 | 5 | $14,403 | 5 |
| 2023 | 76 | 17 | $21,781 | 16 |
| 2024 | 61 | 13 | $38,220 | 10 |
| 2025 | 55 | 10 | $26,476 | 8 |
| 2026 | 33 | 0 | $2,891 | 8 |
Standards cited most at mines in Uintah County, Utah
Sections of Title 30 of the Code of Federal Regulations named on the citations, with the part each belongs to.
| Standard | What the part covers | Citations |
|---|---|---|
| 30 CFR 56.14107 | Surface metal and nonmetal mines | 20 |
| 30 CFR 56.12004 | Surface metal and nonmetal mines | 17 |
| 30 CFR 56.14100 | Surface metal and nonmetal mines | 16 |
| 30 CFR 56.4201 | Surface metal and nonmetal mines | 14 |
| 30 CFR 56.14132 | Surface metal and nonmetal mines | 13 |
| 30 CFR 56.12018 | Surface metal and nonmetal mines | 11 |
| 30 CFR 56.12008 | Surface metal and nonmetal mines | 10 |
| 30 CFR 47.41 | Hazard communication | 10 |
| 30 CFR 56.14112 | Surface metal and nonmetal mines | 9 |
| 30 CFR 56.12032 | Surface metal and nonmetal mines | 9 |
| 30 CFR 56.12028 | Surface metal and nonmetal mines | 8 |
| 30 CFR 56.4101 | Surface metal and nonmetal mines | 6 |
| 30 CFR 57.4201 | Underground metal and nonmetal mines | 5 |
| 30 CFR 50.30 | Reporting of accidents, injuries and illnesses | 4 |
| 30 CFR 57.12004 | Underground metal and nonmetal mines | 4 |
Injury and illness cases at mines in Uintah County, Utah
Accident reports by degree of injury, as the operator reported them to MSHA.
| Degree | Cases |
|---|---|
| Days away from work or restricted activity | 20 |
| No lost time, or an occupational illness | 27 |
What the accident reports at mines in Uintah County, Utah describe
Accident classification, as MSHA codes the circumstances that contributed most directly.
| Classification | Reports |
|---|---|
| Handling of materials | 17 |
| Handtools (nonpowered) | 10 |
| Slip or fall of person | 8 |
| Machinery | 7 |
| Stepping or kneeling on object | 3 |
| Powered haulage | 1 |
| Hoisting | 1 |
| Striking or bumping | 1 |
Equipment named in accident reports at mines in Uintah County, Utah
| Equipment | Reports |
|---|---|
| Hand tools (not powered) | 9 |
| Ore haulage trucks - off highway trucks | 4 |
| Hand tools (powered) | 3 |
| Crane | 2 |
| Hoist | 1 |
| Bulldozer | 1 |
| Rock drill | 1 |
| Forklift | 1 |
| Elevator | 1 |
| Conveyor | 1 |
US government work, public domain. Counts come from the MSHA files published on November 6, 2026. An open mine is one MSHA lists as Active, Intermittent, New Mine, Temporarily Idled or NonProducing; 13,673 were open that day. Citations, penalties, inspections and accident reports run from January 1, 2022. A citation is an inspector's allegation and an operator can contest it; the penalty is the amount MSHA first proposed, before any contest or settlement. An operator is the legal entity MSHA assesses, and a parent company is its controller. Mines run by sole proprietors or by individuals are counted in every total and are not named. This page uses MSHA data and is not endorsed or certified by MSHA. Free to reuse with credit to SpecStream under CC BY 4.0. Spot a wrong value? Write to [email protected] with the link to this page.