Colowyo Mine
Active
Surface
Coal
Operator: Kiewit Mining Group Inc
Controller: Tri-State Generation and Transmission Assn Inc
Location: Meeker, CO, Moffat County, CO
Employees: 148
664
Violations
130
S&S Violations
113
Accidents
$525K
Penalties
Recent Violations
View all 664 →| Date | Section | S&S | Negligence | Penalty |
|---|---|---|---|---|
| 03/04/2026 | 77.1110 | Non-S&S | ModNegligence | $0 |
| 03/03/2026 | 77.1110 | Non-S&S | ModNegligence | $0 |
| 03/03/2026 | 77.1110 | Non-S&S | ModNegligence | $0 |
| 02/05/2026 | 77.502-2 | Non-S&S | ModNegligence | $0 |
| 01/23/2026 | 77.1110 | Non-S&S | ModNegligence | $883 |
| 03/25/2025 | 77.1110 | Non-S&S | ModNegligence | $151 |
| 09/25/2024 | 77.404(a) | Non-S&S | ModNegligence | $147 |
| 09/25/2024 | 50.30(a) | Non-S&S | LowNegligence | $147 |
| 07/15/2024 | 50.20-1 | Non-S&S | ModNegligence | $147 |
| 03/13/2024 | 77.516 | Non-S&S | LowNegligence | $147 |
| 03/12/2024 | 77.1104 | Non-S&S | ModNegligence | $147 |
| 08/08/2023 | 77.502 | Non-S&S | ModNegligence | $143 |
| 08/08/2023 | 77.1104 | Non-S&S | ModNegligence | $143 |
| 05/19/2022 | 77.502 | Non-S&S | LowNegligence | $183 |
| 02/01/2022 | 77.505 | Non-S&S | ModNegligence | $183 |
| 01/20/2022 | 77.502 | Non-S&S | ModNegligence | $133 |
| 01/19/2022 | 77.1110 | Non-S&S | LowNegligence | $133 |
| 11/16/2021 | Non-S&S | $0 | ||
| 11/16/2021 | 77.1608(b) | Non-S&S | LowNegligence | $791 |
| 05/21/2021 | 77.1303(h) | Non-S&S | LowNegligence | $791 |
Accidents & Injuries
View all 113 →| Date | Classification | Injury | Days Lost |
|---|---|---|---|
| 09/07/2025 | FIRE | ACCIDENT ONLY | None |
| 06/25/2025 | HANDLING OF MATERIALS | DAYS AWAY FROM WORK ONLY | 62d lost |
| 06/20/2025 | FIRE | ACCIDENT ONLY | None |
| 05/24/2025 | HANDLING OF MATERIALS | DAYS AWAY FROM WORK ONLY | 1d lost |
| 04/18/2025 | OTHER | DAYS AWAY FROM WORK ONLY | 23d lost |
| 02/08/2025 | HANDTOOLS (NONPOWERED) | DAYS AWAY FROM WORK ONLY | 100d lost |
| 07/17/2024 | MACHINERY | DAYS AWAY FROM WORK ONLY | 46d lost |
| 07/12/2024 | HANDLING OF MATERIALS | DAYS AWAY FROM WORK ONLY | 16d lost |
| 12/17/2023 | HANDLING OF MATERIALS | DYS AWY FRM WRK & RESTRCTD ACT | 11d lost, 93d restricted |
| 11/25/2023 | HANDLING OF MATERIALS | NO DYS AWY FRM WRK,NO RSTR ACT | None |
Inspections
View all 143 →| Begin | End | Hours | Inspectors |
|---|---|---|---|
| 01/23/2026 | 01/23/2026 | 5.75 | 1 |
| 01/23/2026 | 38.00 | 1 | |
| 06/20/2025 | 09/15/2025 | 139.75 | 1 |
| 02/24/2025 | 03/28/2025 | 170.25 | 2 |
| 08/21/2024 | 09/30/2024 | 133.75 | 1 |
| 07/15/2024 | 07/30/2024 | 2.00 | 1 |
| 02/07/2024 | 03/29/2024 | 176.75 | 1 |
| 06/06/2023 | 09/16/2023 | 208.25 | 1 |
| 05/17/2023 | 05/17/2023 | 10.50 | 1 |
| 04/13/2023 | 04/14/2023 | 6.00 | 1 |
Mine Details
MSHA Mine ID0502962
Mine TypeSurface
StatusActive
CommodityCoal
SIC DescriptionCoal (Bituminous)
Employees148
Days/Week7.0
Hours/Shift12.0
Coordinates40.2997220, -107.7830560
Nearest TownMeeker, CO
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Frequently Asked Questions
How many MSHA violations does Colowyo Mine have?
Colowyo Mine has 664 MSHA violations on record, of which 130 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $525K.
What type of mine is Colowyo Mine?
Colowyo Mine is a Surface mine producing Coal, located in Meeker, CO, Moffat County, CO. It currently has 148 employees.
Has anyone been injured or killed at Colowyo Mine?
According to MSHA records, Colowyo Mine has 113 reported accident/injury records and 1 fatalities on file.
Who operates Colowyo Mine?
Colowyo Mine is operated by Kiewit Mining Group Inc and controlled by Tri-State Generation and Transmission Assn Inc. MSHA Mine ID: 0502962.