Calvert Mine
Active
Surface
Coal
Operator: NAES Corporation
Controller: ITOCHU International Inc; I Power Investment Inc
Location: Calvert, Robertson County, TX
Employees: 92
350
Violations
46
S&S Violations
18
Accidents
$119K
Penalties
Recent Violations
View all 350 →| Date | Section | S&S | Negligence | Penalty |
|---|---|---|---|---|
| 02/23/2026 | 77.1607(p) | Non-S&S | ModNegligence | $0 |
| 02/23/2026 | 77.1607(t) | Non-S&S | ModNegligence | $0 |
| 07/17/2025 | 77.1110 | Non-S&S | LowNegligence | $151 |
| 10/16/2024 | 77.1104 | Non-S&S | ModNegligence | $147 |
| 10/09/2024 | 77.210(a) | Non-S&S | ModNegligence | $147 |
| 10/09/2024 | 77.1607(n) | Non-S&S | ModNegligence | $147 |
| 04/21/2024 | Non-S&S | $0 | ||
| 04/21/2024 | 77.1710(g) | S&S | HighNegligence | $29,893 |
| 04/21/2024 | 77.1607(p) | Non-S&S | HighNegligence | $736 |
| 04/16/2024 | 77.210(a) | Non-S&S | ModNegligence | $221 |
| 04/16/2024 | 47.41(a) | Non-S&S | ModNegligence | $147 |
| 02/21/2024 | 77.210(a) | Non-S&S | ModNegligence | $147 |
| 02/21/2024 | 77.1104 | S&S | ModNegligence | $679 |
| 02/21/2024 | 77.1607(p) | Non-S&S | ModNegligence | $147 |
| 02/20/2024 | 77.404(a) | Non-S&S | ModNegligence | $147 |
| 02/20/2024 | 77.1713(c) | Non-S&S | HighNegligence | $260 |
| 02/12/2024 | 77.404(a) | Non-S&S | ModNegligence | $147 |
| 02/12/2024 | 47.41(a) | Non-S&S | ModNegligence | $147 |
| 02/05/2024 | 77.1607(aa) | Non-S&S | ModNegligence | $626 |
| 07/20/2023 | 48.27 | Non-S&S | HighNegligence | $927 |
Accidents & Injuries
View all 18 →| Date | Classification | Injury | Days Lost |
|---|---|---|---|
| 04/14/2025 | ALL OTHER OCCUPATIONAL ILLNESSES | OCCUPATNAL ILLNESS NOT DEG 1-6 | None |
| 02/22/2024 | POWERED HAULAGE | ACCIDENT ONLY | None |
| 11/29/2023 | HANDLING OF MATERIALS | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 02/01/2019 | SLIP OR FALL OF PERSON | DAYS AWAY FROM WORK ONLY | 2d lost |
| 07/25/2015 | SLIP OR FALL OF PERSON | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 06/03/2015 | SLIP OR FALL OF PERSON | DYS AWY FRM WRK & RESTRCTD ACT | 29d lost, 237d restricted |
| 12/27/2010 | OTHER | DAYS AWAY FROM WORK ONLY | 7d lost |
| 06/28/2010 | HANDLING OF MATERIALS | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 01/16/2007 | HANDLING OF MATERIALS | DAYS RESTRICTED ACTIVITY ONLY | 26d restricted |
| 08/18/2006 | SLIP OR FALL OF PERSON | DAYS AWAY FROM WORK ONLY | 3d lost |
Inspections
View all 99 →| Begin | End | Hours | Inspectors |
|---|---|---|---|
| 02/23/2026 | 02/26/2026 | 43.00 | 1 |
| 07/15/2025 | 07/23/2025 | 81.00 | 2 |
| 07/14/2025 | 07/14/2025 | 8.75 | 1 |
| 01/27/2025 | 01/28/2025 | 9.50 | 1 |
| 10/09/2024 | 10/21/2024 | 55.50 | 1 |
| 05/22/2024 | 05/22/2024 | 9.50 | 1 |
| 04/16/2024 | 04/24/2024 | 46.25 | 1 |
| 02/26/2024 | 03/14/2024 | 23.75 | 1 |
| 02/04/2024 | 02/23/2024 | 74.50 | 1 |
| 07/17/2023 | 07/21/2023 | 58.50 | 1 |
Mine Details
MSHA Mine ID4103428
Mine TypeSurface
StatusActive
CommodityCoal
SIC DescriptionCoal (Lignite)
Employees92
Days/Week7.0
Hours/Shift11.0
Coordinates31.1011110, -96.6658330
Nearest TownCalvert
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Frequently Asked Questions
How many MSHA violations does Calvert Mine have?
Calvert Mine has 350 MSHA violations on record, of which 46 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $119K.
What type of mine is Calvert Mine?
Calvert Mine is a Surface mine producing Coal, located in Calvert, Robertson County, TX. It currently has 92 employees.
Has anyone been injured or killed at Calvert Mine?
According to MSHA records, Calvert Mine has 18 reported accident/injury records and 0 fatalities on file.
Who operates Calvert Mine?
Calvert Mine is operated by NAES Corporation and controlled by ITOCHU International Inc; I Power Investment Inc. MSHA Mine ID: 4103428.