Data / Mines / Nevada / Colado Mine
Colado Mine, Pershing County, Nevada: 14 MSHA citations
Updated November 6, 2026. Source: US Department of Labor, Mine Safety and Health Administration (MSHA), Open Government Data Sets.
Colado Mine is an active diatomaceous earth (diatomite) surface mine in Pershing County, Nevada, operated by U.S. Silica Company, LLC with 36 employees on MSHA's record (mine ID 2600672). Since January 1, 2022 MSHA inspectors issued 14 citations and orders there with $4,506 in proposed penalties, and 4 accident reports were filed there, with 3 injury or illness cases.
The request: Watch Colado Mine (MSHA mine ID 2600672) in Pershing County, Nevada: each new citation and each accident report. $10 of work on sign-up, no card.
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- MSHA mine ID
- 2600672
- Status
- Active since November 27, 2001
- Main commodity
- Diatomaceous earth (diatomite)
- Mine type
- Surface
- County
- Pershing County, Nevada
- Nearest town
- Lovelock
- Operator
- U.S. Silica Company, LLC
- Parent company
- Uss Holdings Inc
- Employees
- 36
- MSHA field office
- Reno NV Field Office
- Citations and orders since January 1, 2022
- 14
- Significant and substantial
- 3 (21.4%)
- Closure orders
- 0
- High negligence or reckless
- 0
- Proposed penalties
- $4,506
- Amount paid so far
- $4,506
- Inspections
- 18
- Inspector hours on site
- 106
- Citations per inspection
- 0.78 (all mines 2.30)
- Accident reports
- 4
- Injury and illness cases
- 3
- Fatalities
- 0
- Latest MSHA record
- November 4, 2026
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 | 4 | 1 | $814 | 1 |
| 2023 | 2 | 0 | $1,497 | 1 |
| 2024 | 4 | 0 | $604 | 0 |
| 2025 | 4 | 2 | $1,591 | 1 |
Standards cited most at Colado Mine
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 56.14100 | Surface metal and nonmetal mines | 6 |
| 30 CFR 56.11001 | Surface metal and nonmetal mines | 2 |
| 30 CFR 56.4104 | Surface metal and nonmetal mines | 2 |
| 30 CFR 47.41 | Hazard communication | 2 |
| 30 CFR 56.3130 | Surface metal and nonmetal mines | 1 |
| 30 CFR 56.14101 | Surface metal and nonmetal mines | 1 |
Injury and illness cases at Colado Mine
Accident reports by degree of injury, as the operator reported them to MSHA.
| Degree | Cases |
|---|---|
| Days away from work or restricted activity | 2 |
| No lost time, or an occupational illness | 1 |
What the accident reports at Colado Mine describe
Accident classification, as MSHA codes the circumstances that contributed most directly.
| Classification | Reports |
|---|---|
| Machinery | 1 |
| Impoundment | 1 |
| Slip or fall of person | 1 |
| Disorders (repeated trauma) | 1 |
Equipment named in accident reports at Colado Mine
| Equipment | Reports |
|---|---|
| Hoist | 1 |
| Road grader | 1 |
Other open mines in Pershing County, Nevada
| Mine | Operator | County | Main commodity | Employees | Citations since 2022 |
|---|---|---|---|---|---|
| Rochester Mine | Coeur Rochester, Inc. | Pershing County, NV | Silver ore | 290 | 123 |
| Empire Mine | Empire Mining Co., LLC | Pershing County, NV | Gypsum | 40 | 49 |
| Colado Plant | U.S. Silica Company, LLC | Pershing County, NV | Diatomaceous earth (diatomite) | 140 | 42 |
| Florida Canyon Mine | Florida Canyon Mining Inc. | Pershing County, NV | Gold ore | 300 | 35 |
| Relief Canyon Mine | Gold Acquisition Corp. | Pershing County, NV | Gold ore | 100 | 1 |
| Springer Mine | Blue Moon Springer Inc. | Pershing County, NV | Tungsten ore | 10 | 1 |
| Rosebud | Small Mine Development | Pershing County, NV | Gold ore | 15 | 0 |
| Spring Valley | Solidus Resources LLC | Pershing County, NV | Gold ore | 12 | 0 |
| Buff/Satin Mine | VM Buyer LLC | Pershing County, NV | Common clays | 2 | 0 |
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.