
WASHINGTON, D.C. – In a significant achievement for the U.S. mining sector and a testament to improved mine safety, the Department of Labor’s Mine Safety and Health Administration (MSHA) reported that no mines met the Pattern of Violations (POV) criteria during its latest screening. This marks the first time since 2021 that no operations were flagged as chronic violators under Section 104(e) of the Mine Act.
The milestone, based on MSHA’s review of all U.S. mines during a 12-month enforcement period ending November 30, 2024, reflects progress in mine safety compliance and underscores the effectiveness of enhanced regulatory measures aimed at safeguarding miners.
Mine Safety Initiatives Yield Results
“When the mining industry faced an alarming rise in fatalities in 2023, MSHA intensified efforts to address safety risks head-on,” said Chris Williamson, Assistant Secretary for Mine Safety and Health. “Fatal mining accidents dropped by 30% in 2024, and no mines were flagged under the most recent POV screening. This progress highlights the critical role of rigorous enforcement and an adequately staffed MSHA.”
The POV screening process focuses on identifying mines with a high incidence of significant and substantial (S&S) violations—issues that pose serious risks to worker health and mine safety. The agency’s enforcement measures, including impact inspections and targeted oversight, have proven effective in driving compliance. Over the past two years, the 200 mines with the highest number of S&S violations have collectively seen:
- A 15% reduction in S&S violations,
- A 10% decline in total violations, and
- A 26% drop in elevated enforcement actions.
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Ensuring Mine Safety Among Previous Violators
Despite these advances, challenges remain. MSHA continues to oversee mines previously identified under POV criteria. Two notable cases include:
- Atalco Gramercy LLC (Gramercy Operation, Louisiana): Following a 2023 POV notice due to hazardous chemical leaks, the mine has received 106 withdrawal orders, with 60 issued during a recent impact inspection.
- Morton Salt Inc. (Weeks Island Mine and Mill, Louisiana): Designated in December 2022 for loose ground hazards, the operation has been issued 96 withdrawal orders since its notice.
Under POV guidelines, mines must immediately address identified hazards, with subsequent S&S violations resulting in withdrawal orders that halt operations until compliance is restored. These measures emphasize MSHA’s ongoing commitment to mine safety and accountability.
Tools to Support Mine Safety Compliance
To further reduce violations and enhance mine safety, MSHA offers digital resources like the Pattern of Violations Calculator and the Significant and Substantial Calculator. These tools enable operators to monitor safety compliance and identify areas needing improvement. By fostering proactive management, these resources aim to minimize the risk of mines triggering POV criteria and help maintain a culture of safety in mining operations.
A Safer Path Forward for Mine Safety
The absence of POV designations in 2024 represents a significant milestone for the mining industry. It demonstrates how sustained regulatory pressure and industry-wide efforts can lead to meaningful safety gains. However, the ongoing challenges at mines like Gramercy and Weeks Island underscore the need for persistent vigilance in ensuring mine safety.
As Assistant Secretary Williamson emphasized, “POV remains a critical tool to rein in chronic violators and protect the nation’s most vulnerable miners.”
With MSHA maintaining its rigorous oversight and prioritizing mine safety, the U.S. mining sector appears poised to build on this progress, ensuring safer working conditions for miners across the country.


