Preparing to move screen plant when employee stepped on berm and felt right knee pop. Continued to walk around and knee popped a few more times and was sore. Became reportable on 9/12/25 when employee had surgery for medial meniscus tear.
Clinton Portable Plant Metal/Non-Metal
Capital Materials, LLC
· Surface
Controlled by
Michael K Farmer; Elliott (Bud) E Farmer
Adrian, Mo.,
Bates County,
MO
·
Active
MSHA Mine ID: 2301916
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- Fatalities
- 0
- Total incidents
- 3
- Years on record
- 2012–2025
- Latest incident
- Jul 2025
Compliance record
MSHA citations since 2000
72
citations
10
significant & substantial
$11,061
proposed penalties
$10,837
paid to date
Source: MSHA violations data, updated weekly.
Quarterly safety rates
Citations per million employee-hours, as reported to MSHA
| Quarter | Hours worked | Citations | S&S | Per 1M hrs |
|---|---|---|---|---|
| 2025 Q4 | 5,381 | 0 | 0 | 0.0 |
| 2025 Q3 | 1,950 | 0 | 0 | 0.0 |
| 2025 Q1 | 673 | 0 | 0 | 0.0 |
| 2024 Q4 | 6,013 | 0 | 0 | 0.0 |
| 2024 Q3 | 8,146 | 0 | 0 | 0.0 |
| 2024 Q2 | 1,074 | 0 | 0 | 0.0 |
| 2024 Q1 | 4,371 | 0 | 0 | 0.0 |
| 2023 Q4 | 2,385 | 0 | 0 | 0.0 |
Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.
No fatalities recorded at this mine.
Reportable incidents
3 on file2025 · 1 incident
July 30, 2025
MO · Metal/Non-Metal
prep plant foreman, supervisor, mill plant supervisor, kiln supervisor
SLIP OR FALL OF PERSON
Capital Materials, LLC · Over-exertion (Not Elsewhere Classified)
2015 · 1 incident
Hilty Quarries Inc · Over-exertion (Not Elsewhere Classified)
Employee was turning on a socket head screwdriver when he felt a pop in his right triceps. The employee was tightening a hose clamp.
2012 · 1 incident
July 28, 2012
MO · Metal/Non-Metal
warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator
MACHINERY
Hilty Quarries Inc · Flash burns (welding)
Employee was welding in the quarry an received radiant burn to his upper arms. Employee reported the incident on the morning of the 31st an was seen by local medical clinic. Employee was treated and released to full duty but was given a prescription.