Ottawa Plant
Active
Surface
Nonmetal
Operator: U. S. Silica Company
Controller: USS Holdings Inc
Location: Ottawa, La Salle County, IL
Employees: 124
745
Violations
96
S&S Violations
112
Accidents
$298K
Penalties
Recent Violations
View all 745 →| Date | Section | S&S | Negligence | Penalty |
|---|---|---|---|---|
| 10/23/2025 | 56.14110 | Non-S&S | ModNegligence | $177 |
| 10/23/2025 | 56.20003(a) | S&S | ModNegligence | $883 |
| 10/08/2025 | 56.11001 | S&S | ModNegligence | $177 |
| 10/08/2025 | 56.4101 | Non-S&S | ModNegligence | $151 |
| 10/07/2025 | 46.5 | S&S | LowNegligence | $168 |
| 10/07/2025 | 56.11012 | S&S | ModNegligence | $1,219 |
| 10/07/2025 | 56.14100(b) | Non-S&S | ModNegligence | $245 |
| 10/07/2025 | 56.4201(a)(2) | Non-S&S | ModNegligence | $245 |
| 10/07/2025 | 56.11003 | Non-S&S | ModNegligence | $245 |
| 10/06/2025 | 56.4201(a)(1) | Non-S&S | ModNegligence | $398 |
| 10/06/2025 | 56.12005 | Non-S&S | ModNegligence | $1,320 |
| 10/06/2025 | 56.14206(b) | Non-S&S | LowNegligence | $177 |
| 10/06/2025 | 47.44(b) | Non-S&S | LowNegligence | $177 |
| 10/06/2025 | 56.4200(b)(2) | Non-S&S | ModNegligence | $398 |
| 10/06/2025 | 56.14100(c) | S&S | ModNegligence | $6,540 |
| 10/06/2025 | 56.14101(a)(2) | Non-S&S | ModNegligence | $398 |
| 10/06/2025 | 56.4201(a)(1) | Non-S&S | ModNegligence | $398 |
| 10/06/2025 | 56.12004 | Non-S&S | LowNegligence | $592 |
| 10/06/2025 | 56.12004 | Non-S&S | ModNegligence | $1,320 |
| 10/06/2025 | 56.12032 | Non-S&S | ModNegligence | $398 |
Accidents & Injuries
View all 112 →| Date | Classification | Injury | Days Lost |
|---|---|---|---|
| 07/23/2025 | STEPPING OR KNEELING ON OBJECT | DAYS AWAY FROM WORK ONLY | None |
| 01/13/2025 | SLIP OR FALL OF PERSON | DYS AWY FRM WRK & RESTRCTD ACT | 107d lost, 107d restricted |
| 12/26/2024 | HANDLING OF MATERIALS | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 09/25/2024 | HANDLING OF MATERIALS | DYS AWY FRM WRK & RESTRCTD ACT | 177d lost, 198d restricted |
| 05/20/2024 | SLIP OR FALL OF PERSON | DAYS AWAY FROM WORK ONLY | 267d lost |
| 05/04/2024 | HANDLING OF MATERIALS | DAYS AWAY FROM WORK ONLY | 284d lost |
| 07/25/2023 | HANDLING OF MATERIALS | DAYS AWAY FROM WORK ONLY | 40d lost |
| 05/23/2022 | FIRE | ACCIDENT ONLY | None |
| 08/31/2021 | OTHER | INJURIES INVOLVNG NONEMPLOYEES | None |
| 08/25/2021 | FIRE | ACCIDENT ONLY | None |
Inspections
View all 164 →| Begin | End | Hours | Inspectors |
|---|---|---|---|
| 11/06/2025 | 11/06/2025 | 4.50 | 1 |
| 10/23/2025 | 10/23/2025 | 11.00 | 1 |
| 10/23/2025 | 10/23/2025 | 1.50 | 1 |
| 10/06/2025 | 10/14/2025 | 116.75 | 3 |
| 09/02/2025 | 09/03/2025 | 12.50 | 1 |
| 08/12/2025 | 08/20/2025 | 118.50 | 2 |
| 02/21/2025 | 02/27/2025 | 115.25 | 5 |
| 01/22/2025 | 01/22/2025 | 7.00 | 1 |
| 11/27/2024 | 12/02/2024 | 8.50 | 1 |
| 08/05/2024 | 08/05/2024 | 2.00 | 1 |
Mine Details
MSHA Mine ID1101013
Mine TypeSurface
StatusActive
CommodityNonmetal
SIC DescriptionGround Silica
Employees124
Days/Week5.0
Hours/Shift8.0
Coordinates41.3466670, -88.8650000
Nearest TownOttawa
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Frequently Asked Questions
How many MSHA violations does Ottawa Plant have?
Ottawa Plant has 745 MSHA violations on record, of which 96 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $298K.
What type of mine is Ottawa Plant?
Ottawa Plant is a Surface mine producing Nonmetal, located in Ottawa, La Salle County, IL. It currently has 124 employees.
Has anyone been injured or killed at Ottawa Plant?
According to MSHA records, Ottawa Plant has 112 reported accident/injury records and 1 fatalities on file.
Who operates Ottawa Plant?
Ottawa Plant is operated by U. S. Silica Company and controlled by USS Holdings Inc. MSHA Mine ID: 1101013.