San Juan Mine 1
NonProducing
Surface
Coal
Operator: Westmoreland San Juan Mining LLC
Controller: Westmoreland Mining Holdings LLC
Location: Waterflow, San Juan County, NM
Employees: 58
2,694
Violations
557
S&S Violations
446
Accidents
$1.9M
Penalties
Recent Violations
View all 2,694 →| Date | Section | S&S | Negligence | Penalty |
|---|---|---|---|---|
| 10/22/2025 | 77.1110 | Non-S&S | LowNegligence | $151 |
| 10/16/2025 | 77.1101(c) | Non-S&S | ModNegligence | $151 |
| 10/16/2025 | 77.1110 | Non-S&S | LowNegligence | $151 |
| 09/11/2025 | 47.41(a) | Non-S&S | LowNegligence | $151 |
| 09/03/2025 | 77.404(a) | Non-S&S | ModNegligence | $151 |
| 10/15/2024 | 77.1110 | Non-S&S | ModNegligence | $147 |
| 10/15/2024 | 77.506-1 | Non-S&S | ModNegligence | $147 |
| 10/10/2024 | 77.1110 | Non-S&S | LowNegligence | $147 |
| 10/09/2024 | 77.1110 | Non-S&S | ModNegligence | $147 |
| 10/07/2024 | 77.1606(c) | Non-S&S | LowNegligence | $147 |
| 10/07/2024 | 77.1606(c) | Non-S&S | ModNegligence | $147 |
| 10/03/2024 | 77.1103(d) | Non-S&S | ModNegligence | $147 |
| 04/11/2024 | 77.1101(c) | Non-S&S | LowNegligence | $147 |
| 04/08/2024 | 77.410(a)(1) | Non-S&S | LowNegligence | $147 |
| 11/20/2023 | 77.208(b) | Non-S&S | ModNegligence | $280 |
| 11/02/2023 | 77.1605(b) | Non-S&S | ModNegligence | $214 |
| 11/02/2023 | 77.401(b) | Non-S&S | ModNegligence | $214 |
| 08/16/2023 | 77.410(c) | Non-S&S | LowNegligence | $143 |
| 08/10/2023 | 77.1110 | Non-S&S | ModNegligence | $407 |
| 07/19/2023 | 50.20-1 | Non-S&S | LowNegligence | $143 |
Accidents & Injuries
View all 446 →| Date | Classification | Injury | Days Lost |
|---|---|---|---|
| 01/29/2026 | SLIP OR FALL OF PERSON | DAYS RESTRICTED ACTIVITY ONLY | 4d restricted |
| 10/06/2025 | POWERED HAULAGE | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 06/03/2025 | SLIP OR FALL OF PERSON | DAYS RESTRICTED ACTIVITY ONLY | 4d restricted |
| 03/05/2025 | SLIP OR FALL OF PERSON | DAYS RESTRICTED ACTIVITY ONLY | 4d restricted |
| 03/11/2024 | OTHER | DAYS AWAY FROM WORK ONLY | 7d lost |
| 11/01/2023 | HANDLING OF MATERIALS | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 09/18/2023 | MACHINERY | DYS AWY FRM WRK & RESTRCTD ACT | 3d lost, 14d restricted |
| 08/15/2023 | HANDTOOLS (NONPOWERED) | DAYS AWAY FROM WORK ONLY | 39d lost |
| 11/11/2022 | SLIP OR FALL OF PERSON | DYS AWY FRM WRK & RESTRCTD ACT | 40d lost, 40d restricted |
| 11/10/2022 | HANDLING OF MATERIALS | NO DYS AWY FRM WRK,NO RSTR ACT | None |
Inspections
View all 1,803 →| Begin | End | Hours | Inspectors |
|---|---|---|---|
| 10/14/2025 | 10/27/2025 | 83.00 | 1 |
| 08/27/2025 | 09/12/2025 | 61.50 | 1 |
| 07/10/2025 | 07/14/2025 | 3.00 | 1 |
| 10/02/2024 | 10/21/2024 | 107.50 | 2 |
| 04/01/2024 | 04/15/2024 | 66.00 | 2 |
| 01/23/2024 | 01/23/2024 | 7.75 | 1 |
| 10/10/2023 | 12/11/2023 | 57.50 | 2 |
| 09/28/2023 | 09/29/2023 | 7.00 | 1 |
| 07/05/2023 | 09/07/2023 | 62.50 | 4 |
| 04/04/2023 | 04/27/2023 | 72.00 | 2 |
Mine Details
MSHA Mine ID2902170
Mine TypeSurface
StatusNonProducing
CommodityCoal
SIC DescriptionCoal (Bituminous)
Employees58
Days/Week7.0
Hours/Shift0.0
Coordinates36.8500000, -108.3750000
Nearest TownWaterflow
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Frequently Asked Questions
How many MSHA violations does San Juan Mine 1 have?
San Juan Mine 1 has 2694 MSHA violations on record, of which 557 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $1.9M.
What type of mine is San Juan Mine 1?
San Juan Mine 1 is a Surface mine producing Coal, located in Waterflow, San Juan County, NM. It currently has 58 employees.
Has anyone been injured or killed at San Juan Mine 1?
According to MSHA records, San Juan Mine 1 has 446 reported accident/injury records and 1 fatalities on file.
Who operates San Juan Mine 1?
San Juan Mine 1 is operated by Westmoreland San Juan Mining LLC and controlled by Westmoreland Mining Holdings LLC. MSHA Mine ID: 2902170.