Data / Mines / Oregon / Celatom Mine
Celatom Mine, Malheur County, Oregon: 2 MSHA citations
Updated November 6, 2026. Source: US Department of Labor, Mine Safety and Health Administration (MSHA), Open Government Data Sets.
Celatom Mine is an active diatomaceous earth (diatomite) surface mine in Malheur County, Oregon, operated by U.S. Silica Company, LLC with 17 employees on MSHA's record (mine ID 3503237). Since January 1, 2022 MSHA inspectors issued 2 citations and orders there with $294 in proposed penalties, and 1 accident report was filed there, with 1 injury or illness case.
The request: Watch Celatom Mine (MSHA mine ID 3503237) in Malheur County, Oregon: each new citation and each accident report. $10 of work on sign-up, no card.
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- MSHA mine ID
- 3503237
- Status
- Active since October 1, 2015
- Main commodity
- Diatomaceous earth (diatomite)
- Mine type
- Surface
- County
- Malheur County, Oregon
- Nearest town
- Juntara
- Operator
- U.S. Silica Company, LLC
- Parent company
- Uss Holdings Inc
- Employees
- 17
- MSHA field office
- Boise ID Field Office
- Citations and orders since January 1, 2022
- 2
- Significant and substantial
- 0 (0.0%)
- Closure orders
- 0
- High negligence or reckless
- 0
- Proposed penalties
- $294
- Amount paid so far
- $294
- Inspections
- 10
- Inspector hours on site
- 52
- Citations per inspection
- 0.20 (all mines 2.30)
- Accident reports
- 1
- Injury and illness cases
- 1
- Fatalities
- 0
- Latest MSHA record
- April 8, 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 |
|---|---|---|---|---|
| 2023 | 1 | 0 | $143 | 0 |
| 2025 | 1 | 0 | $151 | 0 |
| 2026 | 0 | 0 | $0 | 1 |
Standards cited most at Celatom 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 47.41 | Hazard communication | 1 |
| 30 CFR 56.14205 | Surface metal and nonmetal mines | 1 |
Injury and illness cases at Celatom Mine
Accident reports by degree of injury, as the operator reported them to MSHA.
| Degree | Cases |
|---|---|
| No lost time, or an occupational illness | 1 |
What the accident reports at Celatom Mine describe
Accident classification, as MSHA codes the circumstances that contributed most directly.
| Classification | Reports |
|---|---|
| Handling of materials | 1 |
Other open mines in Malheur County, Oregon
| Mine | Operator | County | Main commodity | Employees | Citations since 2022 |
|---|---|---|---|---|---|
| De-source | Pure Mountain LLC | Malheur County, OR | Diatomaceous earth (diatomite) | 3 | 19 |
| Portable Crusher #1 | Seubert Excavators Inc | Malheur County, OR | Crushed, broken stone | 8 | 18 |
| Celatom Plant | U.S. Silica Company, LLC | Malheur County, OR | Diatomaceous earth (diatomite) | 53 | 17 |
| Ironhead Pit | Ironhead Inc | Malheur County, OR | Construction sand and gravel | 2 | 6 |
| Cci, Ontario Wash Plant | Clearwater Concrete Inc | Malheur County, OR | Construction sand and gravel | 2 | 4 |
| SBS Sand and Gravel | Steve's Backhoe Service Inc. | Malheur County, OR | Construction sand and gravel | 0 | 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.