Key Takeaway
Sewickley Mine is a active surface mine producing Stone, located in Avonmore, Indiana County, PA. It has 229 violations on record (56 S&S) and $1.4M in proposed penalties. Operated by Neiswonger Construction Inc.
Sewickley Mine
Operator: Neiswonger Construction Inc
Controller: Clyde Holding Inc
Location: Avonmore, Indiana County, PA
Employees: 6
Recent Violations
View all 229 →| Date | Section | S&S | Negligence | Penalty |
|---|---|---|---|---|
| 11/04/2025 | 56.12008 | Non-S&S | LowNegligence | $151 |
| 08/19/2025 | 56.14109(b)(1) | Non-S&S | ModNegligence | $226 |
| 08/19/2025 | 56.14109(b)(1) | Non-S&S | ModNegligence | $226 |
| 08/19/2025 | 56.4201(a)(2) | Non-S&S | ModNegligence | $226 |
| 08/13/2025 | 47.44(b) | Non-S&S | LowNegligence | $151 |
| 01/13/2025 | 56.12021 | Non-S&S | LowNegligence | $151 |
| 12/20/2024 | 56.12028 | Non-S&S | ModNegligence | $226 |
| 12/13/2024 | 47.44(b) | Non-S&S | ModNegligence | $226 |
| 08/15/2024 | 56.4104(a) | Non-S&S | LowNegligence | $147 |
| 03/11/2024 | 56.11001 | S&S | ModNegligence | $1,098 |
| 03/11/2024 | 56.14107(a) | Non-S&S | ModNegligence | $328 |
| 03/11/2024 | 56.20003(a) | Non-S&S | HighNegligence | $5,888 |
| 03/11/2024 | 56.12008 | Non-S&S | LowNegligence | $147 |
| 03/11/2024 | 56.12004 | Non-S&S | LowNegligence | $147 |
| 03/11/2024 | 56.11001 | S&S | HighNegligence | $5,888 |
| 03/11/2024 | 56.14105 | Non-S&S | HighNegligence | $5,888 |
| 03/11/2024 | 56.12004 | Non-S&S | ModNegligence | $221 |
| 03/11/2024 | 47.44(b) | Non-S&S | HighNegligence | $5,888 |
| 03/11/2024 | 56.4104(a) | Non-S&S | ModNegligence | $221 |
| 03/11/2024 | 56.12018 | Non-S&S | LowNegligence | $147 |
Accidents & Injuries
View all 3 →| Date | Classification | Injury | Days Lost |
|---|---|---|---|
| 09/08/2023 | POWERED HAULAGE | FATALITY | Fatal |
| 05/23/2023 | HANDTOOLS (NONPOWERED) | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 11/03/2021 | SLIP OR FALL OF PERSON | DYS AWY FRM WRK & RESTRCTD ACT | 30d lost, 43d restricted |
Inspections
View all 53 →| Begin | End | Hours | Inspectors |
|---|---|---|---|
| 11/26/2025 | 11/26/2025 | 0.50 | 1 |
| 11/03/2025 | 26.50 | 1 | |
| 08/13/2025 | 08/26/2025 | 25.25 | 1 |
| 12/13/2024 | 01/13/2025 | 29.50 | 1 |
| 08/15/2024 | 08/16/2024 | 16.50 | 1 |
| 03/20/2024 | 03/20/2024 | 5.75 | 1 |
| 03/10/2024 | 03/12/2024 | 35.00 | 1 |
| 09/13/2023 | 03/04/2024 | 206.75 | 2 |
| 09/08/2023 | 06/03/2024 | 37.25 | 3 |
| 08/17/2023 | 08/17/2023 | 5.50 | 1 |
Mine Details
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Frequently Asked Questions
How many MSHA violations does Sewickley Mine have?
Sewickley Mine has 229 MSHA violations on record, of which 56 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $1.4M.
What type of mine is Sewickley Mine?
Sewickley Mine is a Surface mine producing Stone, located in Avonmore, Indiana County, PA. It currently has 6 employees.
Has anyone been injured or killed at Sewickley Mine?
According to MSHA records, Sewickley Mine has 3 reported accident/injury records and 1 fatalities on file.
Who operates Sewickley Mine?
Sewickley Mine is operated by Neiswonger Construction Inc and controlled by Clyde Holding Inc. MSHA Mine ID: 3609542.