Key Takeaway
Duncan Plant is a active surface mine producing Nonmetal, located in Eagle Lake, Colorado County, TX. It has 29 violations on record (4 S&S) and $14K in proposed penalties. Operated by Alleyton Resource Co. LLC.
Duncan Plant
Operator: Alleyton Resource Co. LLC
Controller: Summit Materials LLC
Location: Eagle Lake, Colorado County, TX
Employees: 9
Recent Violations
View all 29 →| Date | Section | S&S | Negligence | Penalty |
|---|---|---|---|---|
| 01/28/2026 | 56.12032 | Non-S&S | ModNegligence | $0 |
| 01/27/2026 | 56.20003(c) | Non-S&S | ModNegligence | $0 |
| 05/22/2025 | 56.12004 | Non-S&S | ModNegligence | $151 |
| 05/21/2025 | 56.11002 | S&S | ModNegligence | $959 |
| 05/21/2025 | 56.12025 | S&S | ModNegligence | $959 |
| 05/21/2025 | 56.12030 | S&S | ModNegligence | $959 |
| 11/21/2024 | 56.4200(a)(1) | Non-S&S | ModNegligence | $147 |
| 08/15/2024 | 56.4200(b)(1) | Non-S&S | ModNegligence | $147 |
| 08/15/2024 | 56.12008 | Non-S&S | ModNegligence | $189 |
| 01/09/2024 | 47.44(b) | Non-S&S | ModNegligence | $147 |
| 01/09/2024 | 56.12018 | Non-S&S | ModNegligence | $147 |
| 01/09/2024 | 56.12032 | Non-S&S | ModNegligence | $147 |
| 08/30/2023 | 46.3(a) | Non-S&S | ModNegligence | $147 |
| 08/30/2023 | 46.6(a) | Non-S&S | ModNegligence | $164 |
| 08/30/2023 | 46.12(b)(1) | Non-S&S | ModNegligence | $147 |
| 08/30/2023 | 46.12(b)(1) | Non-S&S | ModNegligence | $147 |
| 08/18/2023 | 56.14211(c) | S&S | ModNegligence | $797 |
| 08/18/2023 | 50.10(b) | Non-S&S | ModNegligence | $7,364 |
| 03/15/2023 | 56.9300(b) | Non-S&S | ModNegligence | $143 |
| 12/28/2021 | 56.12004 | Non-S&S | ModNegligence | $169 |
Accidents & Injuries
View all 4 →| Date | Classification | Injury | Days Lost |
|---|---|---|---|
| 11/13/2025 | HANDTOOLS (NONPOWERED) | DAYS AWAY FROM WORK ONLY | 59d lost |
| 09/27/2025 | HANDTOOLS (NONPOWERED) | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 08/18/2023 | POWERED HAULAGE | INJURIES INVOLVNG NONEMPLOYEES | None |
| 04/02/2019 | HANDLING OF MATERIALS | DYS AWY FRM WRK & RESTRCTD ACT | 25d lost, 125d restricted |
Inspections
View all 23 →| Begin | End | Hours | Inspectors |
|---|---|---|---|
| 01/27/2026 | 01/28/2026 | 14.25 | 1 |
| 05/21/2025 | 05/22/2025 | 13.25 | 1 |
| 11/21/2024 | 11/21/2024 | 12.00 | 1 |
| 08/15/2024 | 08/15/2024 | 19.00 | 1 |
| 01/29/2024 | 01/29/2024 | 1.00 | 1 |
| 01/08/2024 | 01/10/2024 | 21.00 | 1 |
| 08/21/2023 | 08/30/2023 | 33.25 | 1 |
| 05/17/2023 | 05/18/2023 | 10.25 | 1 |
| 03/15/2023 | 03/16/2023 | 14.50 | 1 |
| 05/19/2022 | 05/19/2022 | 13.75 | 1 |
Mine Details
Related Mines
Frequently Asked Questions
How many MSHA violations does Duncan Plant have?
Duncan Plant has 29 MSHA violations on record, of which 4 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $14K.
What type of mine is Duncan Plant?
Duncan Plant is a Surface mine producing Nonmetal, located in Eagle Lake, Colorado County, TX. It currently has 9 employees.
Has anyone been injured or killed at Duncan Plant?
According to MSHA records, Duncan Plant has 4 reported accident/injury records and 0 fatalities on file.
Who operates Duncan Plant?
Duncan Plant is operated by Alleyton Resource Co. LLC and controlled by Summit Materials LLC. MSHA Mine ID: 4105187.