Key Takeaway
Sumner Pit And Plant is a active surface mine producing SandAndGravel, located in Sumner, Pierce County, WA. It has 72 violations on record (12 S&S) and $24K in proposed penalties. Operated by HM Pacific Northwest Inc..
Sumner Pit And Plant
Operator: HM Pacific Northwest Inc.
Controller: Heidelberg Materials AG
Location: Sumner, Pierce County, WA
Employees: 2
Recent Violations
View all 72 →| Date | Section | S&S | Negligence | Penalty |
|---|---|---|---|---|
| 11/17/2025 | 56.12028 | Non-S&S | ModNegligence | $209 |
| 11/13/2025 | 56.14110 | Non-S&S | ModNegligence | $151 |
| 11/13/2025 | 56.14112(a)(1) | Non-S&S | ModNegligence | $151 |
| 11/13/2025 | 56.20003(a) | S&S | ModNegligence | $313 |
| 11/13/2025 | 56.18002(a) | Non-S&S | LowNegligence | $151 |
| 11/13/2025 | 56.14107(a) | Non-S&S | LowNegligence | $151 |
| 11/13/2025 | 56.12018 | Non-S&S | LowNegligence | $151 |
| 07/09/2025 | 56.18002(b) | Non-S&S | ModNegligence | $151 |
| 01/29/2025 | 56.14207 | Non-S&S | ModNegligence | $151 |
| 06/06/2024 | 47.41(a) | Non-S&S | LowNegligence | $147 |
| 06/05/2024 | 56.4201(a)(2) | Non-S&S | ModNegligence | $147 |
| 06/05/2024 | 56.20003(a) | Non-S&S | ModNegligence | $147 |
| 03/27/2024 | 56.12023 | Non-S&S | ModNegligence | $147 |
| 03/27/2024 | 56.11001 | Non-S&S | ModNegligence | $147 |
| 07/14/2023 | 56.4203 | Non-S&S | LowNegligence | $198 |
| 02/17/2022 | 47.44(a) | Non-S&S | LowNegligence | $133 |
| 02/17/2022 | 56.4104(b) | Non-S&S | LowNegligence | $133 |
| 02/17/2022 | 56.11001 | Non-S&S | LowNegligence | $133 |
| 02/17/2022 | 56.4201(a)(2) | Non-S&S | LowNegligence | $133 |
| 02/16/2022 | 56.3202 | Non-S&S | ModNegligence | $840 |
Accidents & Injuries
View all 3 →| Date | Classification | Injury | Days Lost |
|---|---|---|---|
| 07/14/2025 | POWERED HAULAGE | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 01/25/2022 | SLIP OR FALL OF PERSON | DYS AWY FRM WRK & RESTRCTD ACT | 52d lost, 18d restricted |
| 09/29/2020 | HANDLING OF MATERIALS | DAYS AWAY FROM WORK ONLY | 183d lost |
Inspections
View all 28 →| Begin | End | Hours | Inspectors |
|---|---|---|---|
| 11/13/2025 | 11/17/2025 | 25.00 | 1 |
| 07/09/2025 | 07/10/2025 | 10.50 | 1 |
| 01/29/2025 | 02/01/2025 | 12.50 | 1 |
| 06/05/2024 | 06/06/2024 | 25.25 | 1 |
| 03/27/2024 | 03/28/2024 | 17.00 | 1 |
| 07/14/2023 | 07/14/2023 | 11.00 | 1 |
| 05/04/2023 | 05/08/2023 | 14.50 | 1 |
| 06/23/2022 | 06/23/2022 | 10.00 | 1 |
| 01/27/2022 | 03/01/2022 | 111.25 | 1 |
| 01/25/2022 | 03/01/2022 | 95.50 | 1 |
Mine Details
Related Mines
Frequently Asked Questions
How many MSHA violations does Sumner Pit And Plant have?
Sumner Pit And Plant has 72 MSHA violations on record, of which 12 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $24K.
What type of mine is Sumner Pit And Plant?
Sumner Pit And Plant is a Surface mine producing SandAndGravel, located in Sumner, Pierce County, WA. It currently has 2 employees.
Has anyone been injured or killed at Sumner Pit And Plant?
According to MSHA records, Sumner Pit And Plant has 3 reported accident/injury records and 0 fatalities on file.
Who operates Sumner Pit And Plant?
Sumner Pit And Plant is operated by HM Pacific Northwest Inc. and controlled by Heidelberg Materials AG. MSHA Mine ID: 4500705.