Spring Creek Mine
Active
Surface
Coal
Operator: Navajo Transitional Energy Company, LLC
Controller: Navajo Transitional Energy Company LLC
Location: Decker, Big Horn County, MT
Employees: 266
274
Violations
56
S&S Violations
62
Accidents
$185K
Penalties
Recent Violations
View all 274 →| Date | Section | S&S | Negligence | Penalty |
|---|---|---|---|---|
| 02/27/2026 | 77.404(c) | S&S | LowNegligence | $0 |
| 02/24/2026 | 77.1110 | Non-S&S | LowNegligence | $0 |
| 02/24/2026 | 77.400(d) | Non-S&S | ModNegligence | $0 |
| 02/19/2026 | 77.1104 | Non-S&S | LowNegligence | $0 |
| 02/18/2026 | 77.1110 | Non-S&S | ModNegligence | $0 |
| 08/27/2025 | 77.1607(b) | S&S | LowNegligence | $1,219 |
| 07/24/2025 | 77.404(a) | Non-S&S | LowNegligence | $151 |
| 07/18/2025 | 77.505 | Non-S&S | ModNegligence | $165 |
| 07/18/2025 | 77.404(a) | Non-S&S | LowNegligence | $151 |
| 07/17/2025 | 77.502 | Non-S&S | LowNegligence | $151 |
| 07/17/2025 | 77.1301(c)(6) | Non-S&S | ModNegligence | $165 |
| 07/17/2025 | 77.502-2 | Non-S&S | LowNegligence | $151 |
| 07/16/2025 | 77.202 | Non-S&S | LowNegligence | $151 |
| 07/15/2025 | 77.502-2 | Non-S&S | LowNegligence | $151 |
| 07/15/2025 | 77.1605(b) | Non-S&S | LowNegligence | $151 |
| 12/11/2024 | 77.1104 | Non-S&S | LowNegligence | $151 |
| 12/10/2024 | 77.1104 | Non-S&S | ModNegligence | $151 |
| 12/10/2024 | 77.516 | Non-S&S | LowNegligence | $151 |
| 12/04/2024 | 77.410(c) | Non-S&S | LowNegligence | $147 |
| 12/03/2024 | 77.807 | Non-S&S | ModNegligence | $189 |
Accidents & Injuries
View all 62 →| Date | Classification | Injury | Days Lost |
|---|---|---|---|
| 10/28/2025 | HANDTOOLS (NONPOWERED) | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 09/10/2025 | MACHINERY | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 08/28/2025 | HANDLING OF MATERIALS | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 08/12/2025 | MACHINERY | DAYS RESTRICTED ACTIVITY ONLY | 10d restricted |
| 07/24/2025 | FIRE | ACCIDENT ONLY | None |
| 10/15/2024 | HANDLING OF MATERIALS | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 08/16/2024 | POWERED HAULAGE | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 05/02/2024 | HANDLING OF MATERIALS | DAYS AWAY FROM WORK ONLY | 60d lost |
| 08/21/2023 | MACHINERY | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 08/02/2023 | MACHINERY | NO DYS AWY FRM WRK,NO RSTR ACT | None |
Inspections
View all 109 →| Begin | End | Hours | Inspectors |
|---|---|---|---|
| 02/17/2026 | 03/03/2026 | 120.75 | 2 |
| 11/20/2025 | 11/24/2025 | 14.00 | 1 |
| 08/27/2025 | 08/28/2025 | 21.50 | 2 |
| 07/14/2025 | 08/04/2025 | 156.00 | 3 |
| 11/07/2024 | 01/03/2025 | 226.50 | 1 |
| 07/08/2024 | 07/10/2024 | 12.00 | 1 |
| 06/20/2024 | 06/24/2024 | 4.50 | 1 |
| 05/22/2024 | 05/22/2024 | 1.00 | 1 |
| 04/30/2024 | 05/21/2024 | 157.50 | 2 |
| 12/04/2023 | 12/15/2023 | 143.75 | 3 |
Mine Details
MSHA Mine ID2401457
Mine TypeSurface
StatusActive
CommodityCoal
SIC DescriptionCoal (Bituminous)
Employees266
Days/Week7.0
Hours/Shift12.0
Coordinates45.1169440, -106.8988890
Nearest TownDecker
Related Mines
Absaloka Mine
Hardin, Big Horn County, MT
524 violations
Active
Cordero Rojo Mine
Gillette, Campbell County, WY
504 violations
Active
Antelope Coal Mine
Douglas, Converse County, WY
471 violations
Active
Decker Mine
Decker, MT 59025, Big Horn County, MT
385 violations
Active
Melville Ready Mix Sand & Gravel
Harden, Big Horn County, MT
49 violations
Abandoned
PORTABLE CRUSHER #1
Hardin, Big Horn County, MT
16 violations
Temporarily Idled
Wolf Mountain Coal-Spring Creek
Kirby, Big Horn County, MT
15 violations
Active
Mehling Pit
Hardin, Big Horn County, MT
10 violations
Abandoned
Frequently Asked Questions
How many MSHA violations does Spring Creek Mine have?
Spring Creek Mine has 274 MSHA violations on record, of which 56 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $185K.
What type of mine is Spring Creek Mine?
Spring Creek Mine is a Surface mine producing Coal, located in Decker, Big Horn County, MT. It currently has 266 employees.
Has anyone been injured or killed at Spring Creek Mine?
According to MSHA records, Spring Creek Mine has 62 reported accident/injury records and 2 fatalities on file.
Who operates Spring Creek Mine?
Spring Creek Mine is operated by Navajo Transitional Energy Company, LLC and controlled by Navajo Transitional Energy Company LLC. MSHA Mine ID: 2401457.