Celatom Plant
Active
Facility
Nonmetal
Operator: U.S. Silica Company, LLC
Controller: USS Holdings Inc
Location: Vale, Malheur County, OR
Employees: 53
206
Violations
36
S&S Violations
78
Accidents
$145K
Penalties
Recent Violations
View all 206 →| Date | Section | S&S | Negligence | Penalty |
|---|---|---|---|---|
| 11/18/2025 | 56.14205 | Non-S&S | LowNegligence | $151 |
| 10/16/2024 | 56.14112(b) | Non-S&S | LowNegligence | $147 |
| 10/15/2024 | 56.14101(a)(2) | Non-S&S | LowNegligence | $147 |
| 08/01/2024 | 56.12004 | Non-S&S | LowNegligence | $147 |
| 07/31/2024 | 47.44(b) | Non-S&S | LowNegligence | $147 |
| 03/26/2024 | 56.14107(a) | Non-S&S | LowNegligence | $147 |
| 03/26/2024 | 56.14107(a) | S&S | LowNegligence | $204 |
| 06/22/2023 | 56.12032 | Non-S&S | LowNegligence | $143 |
| 06/21/2023 | 56.12032 | Non-S&S | LowNegligence | $143 |
| 06/21/2023 | 47.44(b) | Non-S&S | LowNegligence | $143 |
| 06/21/2023 | 56.12018 | Non-S&S | LowNegligence | $143 |
| 10/07/2022 | 47.41(a) | Non-S&S | ModNegligence | $133 |
| 10/07/2022 | 56.12004 | Non-S&S | ModNegligence | $133 |
| 10/07/2022 | 56.11001 | Non-S&S | ModNegligence | $133 |
| 10/07/2022 | 47.41(a) | Non-S&S | ModNegligence | $133 |
| 10/06/2021 | 56.4101 | Non-S&S | ModNegligence | $125 |
| 10/06/2021 | 56.12004 | Non-S&S | ModNegligence | $125 |
| 10/05/2021 | 56.20003(a) | Non-S&S | ModNegligence | $125 |
| 05/25/2021 | 56.14100(b) | Non-S&S | ModNegligence | $125 |
| 01/06/2021 | 56.16005 | Non-S&S | ModNegligence | $383 |
Accidents & Injuries
View all 78 →| Date | Classification | Injury | Days Lost |
|---|---|---|---|
| 07/28/2025 | STRIKING OR BUMPING | DAYS RESTRICTED ACTIVITY ONLY | 9d restricted |
| 10/23/2023 | EXPLODING VESSELS UNDER PRESSURE | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 02/02/2020 | SLIP OR FALL OF PERSON | DAYS RESTRICTED ACTIVITY ONLY | 1d restricted |
| 07/16/2019 | SLIP OR FALL OF PERSON | DAYS RESTRICTED ACTIVITY ONLY | 52d restricted |
| 02/18/2019 | EXPLODING VESSELS UNDER PRESSURE | DAYS AWAY FROM WORK ONLY | 122d lost |
| 01/28/2019 | MACHINERY | DAYS RESTRICTED ACTIVITY ONLY | 68d restricted |
| 03/28/2018 | HANDTOOLS (NONPOWERED) | DAYS RESTRICTED ACTIVITY ONLY | 46d restricted |
| 11/13/2017 | POWERED HAULAGE | DAYS RESTRICTED ACTIVITY ONLY | 5d restricted |
| 09/15/2017 | HANDLING OF MATERIALS | DAYS RESTRICTED ACTIVITY ONLY | 33d restricted |
| 07/14/2017 | ELECTRICAL | FATALITY | Fatal |
Inspections
View all 91 →| Begin | End | Hours | Inspectors |
|---|---|---|---|
| 11/18/2025 | 11/19/2025 | 21.00 | 1 |
| 05/05/2025 | 05/06/2025 | 13.25 | 1 |
| 10/18/2024 | 10/18/2024 | 2.50 | 1 |
| 10/14/2024 | 10/16/2024 | 16.75 | 1 |
| 07/31/2024 | 08/01/2024 | 28.50 | 2 |
| 07/31/2024 | 08/14/2024 | 2.00 | 1 |
| 03/26/2024 | 03/26/2024 | 13.00 | 1 |
| 06/21/2023 | 06/22/2023 | 21.00 | 1 |
| 10/06/2022 | 10/07/2022 | 25.00 | 1 |
| 08/03/2022 | 08/04/2022 | 5.50 | 1 |
Mine Details
MSHA Mine ID3503236
Mine TypeFacility
StatusActive
CommodityNonmetal
SIC DescriptionDiatomaceous Earth (Diatomite)
Employees53
Days/Week5.0
Hours/Shift8.0
Coordinates43.9463890, -117.3655560
Nearest TownVale
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Frequently Asked Questions
How many MSHA violations does Celatom Plant have?
Celatom Plant has 206 MSHA violations on record, of which 36 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $145K.
What type of mine is Celatom Plant?
Celatom Plant is a Facility mine producing Nonmetal, located in Vale, Malheur County, OR. It currently has 53 employees.
Has anyone been injured or killed at Celatom Plant?
According to MSHA records, Celatom Plant has 78 reported accident/injury records and 1 fatalities on file.
Who operates Celatom Plant?
Celatom Plant is operated by U.S. Silica Company, LLC and controlled by USS Holdings Inc. MSHA Mine ID: 3503236.