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

Active Surface Nonmetal

Operator: Alleyton Resource Co. LLC

Controller: Summit Materials LLC

Location: Eagle Lake, Colorado County, TX

Employees: 9

29
Violations
4
S&S Violations
4
Accidents
$14K
Penalties

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

MSHA Mine ID4105187
Mine TypeSurface
StatusActive
CommodityNonmetal
SIC DescriptionSand, Industrial NEC
Employees9
Days/Week5.0
Hours/Shift11.0
Coordinates29.5219440, -96.3411110
Nearest TownEagle Lake

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.